diff --git a/README.md b/README.md
index c03b38c..9f88ff7 100644
--- a/README.md
+++ b/README.md
@@ -85,6 +85,24 @@ I am just getting started so I implemented only a few queries for now:
 * _st=singleton type_: find if a type implements the singleton pattern and distinguish between the three types (public field, static factory, singleton enum)
 * _u=utils classes_: find classes having only static methods and verify they have exactly one private constructor taking no parameters
 
+Effective Java (the book) items implemented
+===========================================
+
+| Item   | Status  |
+| ------  |---------|
+| Item 1  | Done |
+| item 2  | TODO |
+| item 3  | Done |
+| item 4  | Done |
+| item 5  | TODO |
+| item 6  | TODO |
+| item 7  | Done |
+| item 8  | Planned for v0.2 |
+| item 9  | Planned for v0.2 |
+| item 10  | Done | 
+| item 11  | TODO |
+| ...item 78 | TODO |
+
 Dev info
 ========
 The project is written in Clojure using a java library called [JavaParser](https://github.com/javaparser/javaparser).
@@ -126,4 +144,4 @@ Hope you enjoy this small project of mine. Feel free to open issues and ask ques
 Contributors
 ============
 
-Thanks to [David Ortiz](https://github.com/davidor) who fixed bugs, set up Travis and it is contributing many other improvements.
+[David Ortiz](https://github.com/davidor) is a regular contributor: he started fixing bugs, setting up Travis and it is contributing many other improvements.
diff --git a/project.clj b/project.clj
index e5213a3..ce647ac 100644
--- a/project.clj
+++ b/project.clj
@@ -1,11 +1,12 @@
 (defproject effectivejava "0.2.0-SNAPSHOT"
   :description "A Java linter and a tool for running queries on your Java codebase"
   :dependencies [[org.clojure/clojure "1.6.0"]
-                 [com.github.javaparser/javaparser-core "2.0.0"]
+                 [com.github.javaparser/javaparser-core "2.1.0"]
                  [org.clojure/tools.cli "0.3.1"]
                  [instaparse "1.3.6"]
                  [org.javassist/javassist "3.19.0-GA"]
-                 [org.clojars.runa/conjure "2.1.3"]]
+                 [org.clojars.runa/conjure "2.1.3"]
+                 [potemkin "0.3.13"]]
   :resource-paths ["test-resources"]
   :plugins [[lein-cljfmt "0.1.10"] [lein-ancient "0.6.7"] [lein-kibit "0.1.2"] 
             [jonase/eastwood "0.2.1"] [lein-cloverage "1.0.3"]]
diff --git a/src/app/interactive.clj b/src/app/interactive.clj
deleted file mode 100644
index 65f04e2..0000000
--- a/src/app/interactive.clj
+++ /dev/null
@@ -1,119 +0,0 @@
-(ns app.interactive
-  (:use [app.model.protocols])
-  (:use [app.model.javaparser])
-  (:use [app.javaparser.navigation])
-  (:use [app.operations])
-  (:use [app.itemsOnLifecycle])
-  (:use [app.utils])
-  (:require [instaparse.core :as insta])
-  (:import [app.operations Operation]))
-
-; ============================================
-; Interactive mode
-; ============================================
-
-(def commands-grammar
-  (str
-   "<COMMAND> = HELP | EXIT | LOAD | LIST | MC | MCP | F | ST   \n"
-   "HELP = 'help' | 'h'                                         \n"
-   "EXIT = 'exit' | 'quit' | 'q'                                \n"
-   "LOAD = 'load' <WS> STR                                      \n"
-   "LIST = 'list'                                               \n"
-   "MC  = ('mc'|'many-constructors') <WS> 'th' <WS> NUM         \n"
-   "MCP = ('mcp'|'many-costructor-params') <WS> 'th' <WS> NUM   \n"
-   "F = ('f'|'finalizers')                                      \n"
-   "ST = ('st'|'singletons')                                    \n"
-   "WS  = #'[\t ]+'                                             \n"
-   "NUM = #'[0-9]+'                                             \n"
-   "STR = #'\"[^\"]*\"'                                         \n"))
-
-(def command-parser
-  (insta/parser commands-grammar))
-
-(def no-classes-loaded-error
-  "No classes loaded. Use <load> first")
-
-(declare interactive)
-
-(defn- exit []
-  (println "Exit..."))
-
-(defn- list-loaded-classes [state]
-  (let [loadedCus (:cus state)]
-    (if loadedCus
-      (do
-        (println "Listing types currently loaded:")
-        (doseq [cu (:cus state)]
-          (doseq [t (.getTypes cu)]
-            (println " *" (getQName t)))))
-      (println no-classes-loaded-error))
-    (interactive state)))
-
-(defn- help [state]
-  (println "h/help                             : print this help message")
-  (println "q/quit/exit                        : close the shell")
-  (println "list                               : list classes loaded")
-  (println "load DIR                           : load classes from DIR")
-  (println "mc/many-constructors th NUM        : list classes with NUM or more constructors")
-  (println "mcp/many-constructor-params th NUM : list constructors with NUM or more parameters")
-  (println "f/finalizers                       : list classes that use finalizers")
-  (println "st/singletons                      : list singletons")
-  (interactive state))
-
-(defn- load-classes [ast]
-  (let [dirnameWithApex (nth (nth (first ast) 2) 1)
-        dirname (subs dirnameWithApex 1 (dec (count dirnameWithApex)))]
-    (println "Loading" dirname)
-    (let [loadedCus (cus dirname)]
-      (println "Java files loaded:" (count loadedCus))
-      (interactive {:cus loadedCus}))))
-
-(defn- mc-operation [state threshold]
-  (printOperation classesWithManyConstructorsOp (:cus state) threshold)
-  (interactive state))
-
-(defn- mcp-operation [state threshold]
-  (printOperation constructorsWithManyParametersOp (:cus state) threshold)
-  (interactive state))
-
-(defn- f-operation [state]
-  (printOperation finalizersOp (:cus state) nil)
-  (interactive state))
-
-(defn- st-operation [state]
-  (printOperation classesAndSingletonTypeOp (:cus state) nil)
-  (interactive state))
-
-(defn- command-not-implemented [command state]
-  (println "Command not implemented: " command)
-  (interactive state))
-
-(defn- process [state input]
-  (let
-   [ast (command-parser input)]
-    (if
-     (insta/failure? ast)
-      (do
-        (println "ERROR: " ast)
-        (interactive state))
-      (let [command (ffirst ast)]
-        (case command
-          :EXIT (exit)
-          :LIST (list-loaded-classes state)
-          :HELP (help state)
-          :LOAD (load-classes ast)
-          :MC (let [threshold (read-string (last (last (first ast))))]
-                (mc-operation state threshold))
-          :MCP (let [threshold (read-string (last (last (first ast))))]
-                 (mcp-operation state threshold))
-          :F (f-operation state)
-          :ST (st-operation state)
-          (command-not-implemented command state))))))
-
-(defn interactive [state]
-  (print "> ")
-  (flush)
-  (let [user-input (read-line)]
-    (if (empty? user-input)
-      (interactive state)
-      (process state user-input))))
diff --git a/src/app/symbol_solver/funcs.clj b/src/app/symbol_solver/funcs.clj
deleted file mode 100644
index 01ad709..0000000
--- a/src/app/symbol_solver/funcs.clj
+++ /dev/null
@@ -1,17 +0,0 @@
-(ns app.symbol_solver.funcs
-  (:use [app.model.protocols])
-  (:use [app.model.javaparser])
-  (:use [app.javaparser.navigation])
-  (:use [app.utils])
-  (:use [app.symbol_solver.scope]))
-
-(defn solveNameExpr
-  "given an instance of com.github.javaparser.ast.expr.NameExpr returns the declaration it refers to,
-   if it can be found, nil otherwise"
-  [nameExpr]
-  (let [name (.getName nameExpr)]
-    (solveSymbol nameExpr nil name)))
-
-(defn solveImportStmt [importStmt]
-  (let [name (importQName importStmt)]
-    (solveClass (getCu importStmt) nil name)))
\ No newline at end of file
diff --git a/src/app/cli.clj b/src/effectivejava/cli.clj
similarity index 76%
rename from src/app/cli.clj
rename to src/effectivejava/cli.clj
index 537343b..177da14 100644
--- a/src/app/cli.clj
+++ b/src/effectivejava/cli.clj
@@ -1,12 +1,12 @@
-(ns app.cli
-  (:use [app.model.protocols])
-  (:use [app.model.javaparser])
-  (:use [app.javaparser.navigation])
-  (:use [app.operations])
-  (:use [app.itemsOnLifecycle])
-  (:use [app.utils])
+(ns effectivejava.cli
+  (:use [effectivejava.model.protocols])
+  (:use [effectivejava.model.javaparser])
+  (:use [effectivejava.javaparser.navigation])
+  (:use [effectivejava.operations])
+  (:use [effectivejava.itemsOnLifecycle])
+  (:use [effectivejava.utils])
   (:require [instaparse.core :as insta])
-  (:import [app.operations Operation]))
+  (:import [effectivejava.operations Operation]))
 
 ; ============================================
 ; CLI
@@ -16,7 +16,7 @@
               ["-i" "--interactive" "launch interactive mode" :flag true :default false]
               ["-l" "--linter" "launch linter mode" :flag true :default false]
               ["-d" "--dir DIRNAME" "directory containing the code to check (default current dir)" :default "."]
-              ["-q" "--query QUERYNAME" "REQUIRED: Query to perform: mc=many constructors, mcp=many constructor parameters, st=singleton type, u=utils classes"]
+              ["-q" "--query QUERYNAME" "REQUIRED: Query to perform: mc=many constructors, mcp=many constructor parameters, st=singleton type, ts=overrides toString()?, u=utils classes"]
               ["-t" "--threshold VALUE" "Threshold to be used in the query" :default 0
                :parse-fn #(Integer/parseInt %)
                :validate [#(>= % 0) "Must be a number equal or greater to 0"]]])
@@ -26,6 +26,7 @@
    :mc classesWithManyConstructorsOp
    :mcp constructorsWithManyParametersOp
    :st classesAndSingletonTypeOp
+   :ts toStringOp
    :u utilsClassesOp})
 
 (defn run [opts]
diff --git a/src/app/core.clj b/src/effectivejava/core.clj
similarity index 94%
rename from src/app/core.clj
rename to src/effectivejava/core.clj
index 71eca23..65db0c3 100644
--- a/src/app/core.clj
+++ b/src/effectivejava/core.clj
@@ -1,8 +1,8 @@
-(ns app.core
+(ns effectivejava.core
   (:require [clojure.tools.cli :refer [parse-opts]])
-  (:use [app.linter])
-  (:use [app.interactive])
-  (:use [app.cli])
+  (:use [effectivejava.linter])
+  (:use [effectivejava.interactive])
+  (:use [effectivejava.cli])
   (:gen-class :main true))
 
 (def self-exclusive-modes-error
diff --git a/src/app/find.clj b/src/effectivejava/find.clj
similarity index 86%
rename from src/app/find.clj
rename to src/effectivejava/find.clj
index 5f6fa43..ffec524 100644
--- a/src/app/find.clj
+++ b/src/effectivejava/find.clj
@@ -1,15 +1,15 @@
-(ns app.find ^{:author "Federico Tomassetti"
+(ns effectivejava.find ^{:author "Federico Tomassetti"
          :doc "This namespace contains methods to find elements in a collection of compilation units"}
-  (:use [app.model.protocols])
-  (:use [app.model.javaparser])
-  (:use [app.javaparser.navigation])
-  (:use [app.operations])
-  (:use [app.itemsOnLifecycle])
-  (:use [app.symbol_solver.type_solver])
-  (:use [app.symbol_solver.scope])
-  (:use [app.utils])
+  (:use [effectivejava.model.protocols])
+  (:use [effectivejava.model.javaparser])
+  (:use [effectivejava.javaparser.navigation])
+  (:use [effectivejava.operations])
+  (:use [effectivejava.itemsOnLifecycle])
+  (:use [effectivejava.symbol_solver.type_solver])
+  (:use [effectivejava.symbol_solver.scope])
+  (:use [effectivejava.utils])
   (:require [instaparse.core :as insta])
-  (:import [app.operations Operation]))
+  (:import [effectivejava.operations Operation]))
 
 (defn type-exact-match? [type-ref1 type-ref2]
   (and 
diff --git a/src/effectivejava/interactive.clj b/src/effectivejava/interactive.clj
new file mode 100644
index 0000000..9786a84
--- /dev/null
+++ b/src/effectivejava/interactive.clj
@@ -0,0 +1,126 @@
+(ns effectivejava.interactive
+  (:use [effectivejava.model.protocols]
+        [effectivejava.model.javaparser]
+        [effectivejava.javaparser.navigation]
+        [effectivejava.operations]
+        [effectivejava.itemsOnLifecycle]
+        [effectivejava.utils])
+  (:require [instaparse.core :as insta])
+  (:import [effectivejava.operations Operation]))
+
+; ============================================
+; Interactive mode
+; ============================================
+
+(def commands-grammar
+  (clojure.string/join
+   "\n"
+   ["<COMMAND> = HELP | EXIT | LOAD | LIST | MC | MCP | F | ST | TS"
+    "HELP = 'help' | 'h'"
+    "EXIT = 'exit' | 'quit' | 'q'"
+    "LOAD = 'load' <WS> STR"
+    "LIST = 'list'"
+    "MC  = ('mc'|'many-constructors') <WS> 'th' <WS> NUM"
+    "MCP = ('mcp'|'many-costructor-params') <WS> 'th' <WS> NUM"
+    "F = ('f'|'finalizers')"
+    "ST = ('st'|'singletons')"
+    "TS = ('ts'|'toString')"
+    "WS  = #'[\t ]+'"
+    "NUM = #'[0-9]+'"
+    "STR = #'\"[^\"]*\"'"]))
+
+(def command-parser
+  (insta/parser commands-grammar))
+
+(def no-classes-loaded-error
+  "No classes loaded. Use <load> first")
+
+(def help-message
+  (clojure.string/join
+   "\n"
+   ["h/help                             : print this help message"
+    "q/quit/exit                        : close the shell"
+    "list                               : list classes loaded"
+    "load DIR                           : load classes from DIR"
+    "mc/many-constructors th NUM        : list classes with NUM or more constructors"
+    "mcp/many-constructor-params th NUM : list constructors with NUM or more parameters"
+    "f/finalizers                       : list classes that use finalizers"
+    "st/singletons                      : list singletons"
+    "ts/toString                        : list classes that do not override toString()"]))
+
+(def exit-message
+  "Exit...")
+
+(def operation-commands
+  {:MC classesWithManyConstructorsOp
+   :MCP constructorsWithManyParametersOp
+   :F finalizersOp
+   :ST classesAndSingletonTypeOp
+   :TS toStringOp})
+
+(declare interactive)
+
+(defn- exit []
+  (println exit-message))
+
+(defn- list-loaded-classes [state]
+  (let [loadedCus (:cus state)]
+    (if loadedCus
+      (do
+        (println "Listing types currently loaded:")
+        (doseq [cu (:cus state)]
+          (doseq [t (.getTypes cu)]
+            (println " *" (getQName t)))))
+      (println no-classes-loaded-error))
+    (interactive state)))
+
+(defn- show-help [state]
+  (println help-message)
+  (interactive state))
+
+(defn- load-classes [ast]
+  (let [dirnameWithApex (nth (nth (first ast) 2) 1)
+        dirname (subs dirnameWithApex 1 (dec (count dirnameWithApex)))]
+    (println "Loading" dirname)
+    (let [loadedCus (cus dirname)]
+      (println "Java files loaded:" (count loadedCus))
+      (interactive {:cus loadedCus}))))
+
+(defn- command-not-implemented [command state]
+  (println "Command not implemented: " command)
+  (interactive state))
+
+(defn- operation [op-command state & [threshold]]
+  (printOperation (op-command operation-commands) (:cus state) threshold)
+  (interactive state))
+
+(defn- process [state input]
+  (let
+   [ast (command-parser input)]
+    (if
+     (insta/failure? ast)
+      (do
+        (println "ERROR: " ast)
+        (interactive state))
+      (let [command (ffirst ast)]
+        (case command
+          :EXIT (exit)
+          :LIST (list-loaded-classes state)
+          :HELP (show-help state)
+          :LOAD (load-classes ast)
+          :MC (let [threshold (read-string (last (last (first ast))))]
+                (operation :MC state threshold))
+          :MCP (let [threshold (read-string (last (last (first ast))))]
+                 (operation :MCP state threshold))
+          :F (operation :F state)
+          :ST (operation :ST state)
+          :TS (operation :TS state)
+          (command-not-implemented command state))))))
+
+(defn interactive [state]
+  (print "> ")
+  (flush)
+  (let [user-input (read-line)]
+    (if (empty? user-input)
+      (interactive state)
+      (process state user-input))))
diff --git a/src/app/itemsOnLifecycle.clj b/src/effectivejava/itemsOnLifecycle.clj
similarity index 72%
rename from src/app/itemsOnLifecycle.clj
rename to src/effectivejava/itemsOnLifecycle.clj
index 8512c4e..09f45b8 100644
--- a/src/app/itemsOnLifecycle.clj
+++ b/src/effectivejava/itemsOnLifecycle.clj
@@ -1,10 +1,12 @@
-(ns app.itemsOnLifecycle
-  (:use [app.model.protocols])
-  (:use [app.model.javaparser])
-  (:use [app.operations])
-  (:use [app.utils])
-  (:use [app.javaparser.navigation])
-  (:import [app.operations Operation]))
+(ns effectivejava.itemsOnLifecycle
+  (:use [effectivejava.model.protocols])
+  (:use [effectivejava.model.javaparser])
+  (:use [effectivejava.operations])
+  (:use [effectivejava.utils])
+  (:use [effectivejava.javaparser.navigation])
+  (:use [effectivejava.symbol_solver.funcs])
+  (:use [effectivejava.symbol_solver.type_solver])
+  (:import [effectivejava.operations Operation]))
 
 ; ============================================
 ; ITEM 1
@@ -118,10 +120,10 @@
 ; ITEM 4
 ; ============================================
 
-(defn isUtilClass? 
+(defn isUtilClass?
   [cl]
   (let [ms (getMethods cl)]
-    (and 
+    (and
      (pos? (count ms))
      (every? isStatic? ms))))
 
@@ -190,3 +192,43 @@
    classes-using-finalizers
    []
    [:class]))
+
+; ============================================
+; ITEM 10
+; ============================================
+
+(defn- overrides-toString? [class]
+  (->> (getMethods class)
+       (filter #(= (getName %) "toString"))
+       (filter #(empty? (getParameters %)))
+       (count)
+       (= 1)))
+
+(defn- hierarchy-overrides-toString? [type-solver-classes class]
+  (binding [typeSolver (typeSolverOnList type-solver-classes)]
+    (->> (conj (getAllSuperclasses class) class)
+         (some overrides-toString?)
+         (true?))))
+
+(defn does-not-override-toString-but-should? [classes class]
+  (and (not (hierarchy-overrides-toString? classes class))
+       (not (isUtilClass? class))
+       (not (isAbstract? class))))
+
+(defn classes-that-do-not-override-toString-but-should
+  "Item 10 of Effective Java recommends that all classes should override
+   toString or one of its parents in the class hierarchy should. There is
+   one exception: util classes, because they do not have any parameters.
+   This method returns all the classes that are not util classes and that
+   do not override toString (and neither do their parent classes)."
+  [params]
+  (let [classes (flatten (map allClasses (:cus params)))]
+    (map #(vec (list % nil))
+         (filter #(does-not-override-toString-but-should? classes %)
+                 classes))))
+
+(def toStringOp
+  (Operation.
+   classes-that-do-not-override-toString-but-should
+   []
+   [:class]))
diff --git a/src/app/jarloading.clj b/src/effectivejava/jarloading.clj
similarity index 88%
rename from src/app/jarloading.clj
rename to src/effectivejava/jarloading.clj
index af61470..7cffc5c 100644
--- a/src/app/jarloading.clj
+++ b/src/effectivejava/jarloading.clj
@@ -1,9 +1,9 @@
-(ns app.jarloading
-  (:use [app.model.protocols])
-  (:use [app.model.javaparser])
-  (:use [app.operations])
-  (:use [app.utils])
-  (:import [app.operations Operation]))
+(ns effectivejava.jarloading
+  (:use [effectivejava.model.protocols])
+  (:use [effectivejava.model.javaparser])
+  (:use [effectivejava.operations])
+  (:use [effectivejava.utils])
+  (:import [effectivejava.operations Operation]))
 
 (import java.net.URLDecoder)
 (import java.util.jar.JarEntry)
diff --git a/src/effectivejava/javaparser/facade.clj b/src/effectivejava/javaparser/facade.clj
new file mode 100644
index 0000000..f858d2a
--- /dev/null
+++ b/src/effectivejava/javaparser/facade.clj
@@ -0,0 +1,7 @@
+(ns effectivejava.javaparser.facade
+  (:use [potemkin])
+  (:import [effectivejava.javaparser.navigation])
+  (:import [effectivejava.javaparser.parsing]))
+
+(import-vars [effectivejava.javaparser.navigation allTypes allClasses allInterfaces allEnums allClassesForCus cus topLevelTypes getConstructors allConstructorsForCus getMethodDeclaration getNameExprFor getImports getVariableDeclarators getBlockStmts])
+(import-vars [effectivejava.javaparser.parsing parseFile parseString parseFileByName])
\ No newline at end of file
diff --git a/src/app/javaparser/navigation.clj b/src/effectivejava/javaparser/navigation.clj
similarity index 97%
rename from src/app/javaparser/navigation.clj
rename to src/effectivejava/javaparser/navigation.clj
index 3d72cdf..f164193 100644
--- a/src/app/javaparser/navigation.clj
+++ b/src/effectivejava/javaparser/navigation.clj
@@ -1,7 +1,7 @@
-(ns app.javaparser.navigation
-  (:use [app.utils])
-  (:use [app.model.protocols])
-  (:use [app.javaparser.parsing]))
+(ns effectivejava.javaparser.navigation
+  (:use [effectivejava.utils])
+  (:use [effectivejava.model.protocols])
+  (:use [effectivejava.javaparser.parsing]))
 
 (import com.github.javaparser.JavaParser)
 (import com.github.javaparser.ast.CompilationUnit)
diff --git a/src/app/javaparser/parsing.clj b/src/effectivejava/javaparser/parsing.clj
similarity index 93%
rename from src/app/javaparser/parsing.clj
rename to src/effectivejava/javaparser/parsing.clj
index b2eb371..6ece8c6 100644
--- a/src/app/javaparser/parsing.clj
+++ b/src/effectivejava/javaparser/parsing.clj
@@ -1,6 +1,6 @@
-(ns app.javaparser.parsing
-  (:use [app.utils])
-  (:use [app.model.protocols]))
+(ns effectivejava.javaparser.parsing
+  (:use [effectivejava.utils])
+  (:use [effectivejava.model.protocols]))
 
 (import com.github.javaparser.JavaParser)
 (import com.github.javaparser.ast.CompilationUnit)
diff --git a/src/app/linter.clj b/src/effectivejava/linter.clj
similarity index 77%
rename from src/app/linter.clj
rename to src/effectivejava/linter.clj
index f08c35e..bcce1f2 100644
--- a/src/app/linter.clj
+++ b/src/effectivejava/linter.clj
@@ -1,12 +1,12 @@
-(ns app.linter
-  (:use [app.model.protocols])
-  (:use [app.model.javaparser])
-  (:use [app.javaparser.navigation])
-  (:use [app.operations])
-  (:use [app.itemsOnLifecycle])
-  (:use [app.utils])
+(ns effectivejava.linter
+  (:use [effectivejava.model.protocols])
+  (:use [effectivejava.model.javaparser])
+  (:use [effectivejava.javaparser.navigation])
+  (:use [effectivejava.operations])
+  (:use [effectivejava.itemsOnLifecycle])
+  (:use [effectivejava.utils])
   (:require [instaparse.core :as insta])
-  (:import [app.operations Operation]))
+  (:import [effectivejava.operations Operation]))
 
 ; ============================================
 ; Linter
@@ -27,7 +27,9 @@
    (Check. utilsClassesOp {:onlyIncorrect true}
            "This is a utils class and it should have exactly one private constructor taking no params")
    (Check. finalizersOp {}
-           "This class calls finalize(). Finalizers are considered to be unpredictable and often dangerous.")])
+           "This class calls finalize(). Finalizers are considered to be unpredictable and often dangerous.")
+   (Check. toStringOp {}
+           "This class and its superclasses do not override toString().")])
 
 (defn replaceParamsInMessage [message result]
   (clojure.string/replace message "#1#" (toString (nth result 1))))
diff --git a/src/app/model/javaparser.clj b/src/effectivejava/model/javaparser.clj
similarity index 95%
rename from src/app/model/javaparser.clj
rename to src/effectivejava/model/javaparser.clj
index 46611ec..0f497e5 100644
--- a/src/app/model/javaparser.clj
+++ b/src/effectivejava/model/javaparser.clj
@@ -1,8 +1,9 @@
-(ns app.model.javaparser
-  (:use [app.utils])
-  (:use [app.model.protocols])
-  (:use [app.javaparser.parsing])
-  (:use [app.javaparser.navigation]))
+(ns effectivejava.model.javaparser
+  (:import [clojure.lang Named])
+  (:use [effectivejava.utils])
+  (:use [effectivejava.model.protocols])
+  (:use [effectivejava.javaparser.parsing])
+  (:use [effectivejava.javaparser.navigation]))
 
 (import com.github.javaparser.JavaParser)
 (import com.github.javaparser.ast.CompilationUnit)
@@ -139,7 +140,9 @@
   (isStatic? [this]
     (ModifierSet/isStatic (.getModifiers this)))
   (isFinal? [this]
-    (ModifierSet/isFinal (.getModifiers this))))
+    (ModifierSet/isFinal (.getModifiers this)))
+  (isAbstract? [this]
+    (ModifierSet/isAbstract (.getModifiers this))))
 
 (extend-protocol WithModifiers
   ConstructorDeclaration
@@ -291,6 +294,11 @@
   (getName [this]
     (getName (.getId (.variable this)))))
 
+(extend-protocol Named
+  com.github.javaparser.ast.type.ClassOrInterfaceType
+  (getName [this]
+    (.getName this)))
+
 ; ============================================
 ; Accessing nodes
 ; ============================================
diff --git a/src/app/model/javassist.clj b/src/effectivejava/model/javassist.clj
similarity index 79%
rename from src/app/model/javassist.clj
rename to src/effectivejava/model/javassist.clj
index be00c9d..a4765c4 100644
--- a/src/app/model/javassist.clj
+++ b/src/effectivejava/model/javassist.clj
@@ -1,6 +1,6 @@
-(ns app.model.javassist
-  (:use [app.utils])
-  (:use [app.model.protocols]))
+(ns effectivejava.model.javassist
+  (:use [effectivejava.utils])
+  (:use [effectivejava.model.protocols]))
 
 ; ============================================
 ; Naming
diff --git a/src/app/model/protocols.clj b/src/effectivejava/model/protocols.clj
similarity index 97%
rename from src/app/model/protocols.clj
rename to src/effectivejava/model/protocols.clj
index 4abe2a5..d1eac59 100644
--- a/src/app/model/protocols.clj
+++ b/src/effectivejava/model/protocols.clj
@@ -1,4 +1,4 @@
-(ns app.model.protocols)
+(ns effectivejava.model.protocols)
 
 ; In the namespace we define the protocols describing Java elements.
 ; We will then implement these protocols both using Javaparser ASTs and Javassist elements obtained by 
@@ -81,7 +81,8 @@
   (isPublic? [this])
   (isProtected? [this])
   (isStatic? [this])
-  (isFinal? [this]))
+  (isFinal? [this])
+  (isAbstract? [this]))
 
 (defn hasPackageLevelAccess? [withModifiers]
   (not
diff --git a/src/app/model/reflection.clj b/src/effectivejava/model/reflection.clj
similarity index 69%
rename from src/app/model/reflection.clj
rename to src/effectivejava/model/reflection.clj
index dd04c3f..a4633bb 100644
--- a/src/app/model/reflection.clj
+++ b/src/effectivejava/model/reflection.clj
@@ -1,8 +1,8 @@
-(ns app.model.reflection
-  (:use [app.utils])
-  (:use [app.model.protocols])
-  (:use [app.javaparser.parsing])
-  (:use [app.javaparser.navigation]))
+(ns effectivejava.model.reflection
+  (:use [effectivejava.utils])
+  (:use [effectivejava.model.protocols])
+  (:use [effectivejava.javaparser.parsing])
+  (:use [effectivejava.javaparser.navigation]))
 
 ; Needed only for system classes
 
diff --git a/src/app/operations.clj b/src/effectivejava/operations.clj
similarity index 97%
rename from src/app/operations.clj
rename to src/effectivejava/operations.clj
index 19a3f3d..db20eb5 100644
--- a/src/app/operations.clj
+++ b/src/effectivejava/operations.clj
@@ -1,6 +1,6 @@
-(ns app.operations
-  (:use [app.model.protocols])
-  (:use [app.model.javaparser]))
+(ns effectivejava.operations
+  (:use [effectivejava.model.protocols])
+  (:use [effectivejava.model.javaparser]))
 
 (import com.github.javaparser.ast.body.ClassOrInterfaceDeclaration)
 (import com.github.javaparser.ast.body.ConstructorDeclaration)
diff --git a/src/effectivejava/symbol_solver/funcs.clj b/src/effectivejava/symbol_solver/funcs.clj
new file mode 100644
index 0000000..17c36e9
--- /dev/null
+++ b/src/effectivejava/symbol_solver/funcs.clj
@@ -0,0 +1,32 @@
+(ns effectivejava.symbol_solver.funcs
+  (:use [effectivejava.model.protocols])
+  (:use [effectivejava.model.javaparser])
+  (:use [effectivejava.javaparser.navigation])
+  (:use [effectivejava.utils])
+  (:use [effectivejava.symbol_solver.scope]))
+
+(defn solveNameExpr
+  "given an instance of com.github.javaparser.ast.expr.NameExpr returns the declaration it refers to,
+   if it can be found, nil otherwise"
+  [nameExpr]
+  (let [name (.getName nameExpr)]
+    (solveSymbol nameExpr nil name)))
+
+(defn solveImportStmt [importStmt]
+  (let [name (importQName importStmt)]
+    (solveClass (getCu importStmt) nil name)))
+
+(defn solveSuperclass
+  "Return the definition of the superclass if the class has a superclass and if can be solved"
+  [classDecl]
+  (let [superclass (first (.getExtends classDecl))]
+    (when superclass
+      (solveClass classDecl nil (getName superclass)))))
+
+(defn getAllSuperclasses
+  "Get all the superclasses of the given class declaration (recursively)"
+  [classDecl]
+  (let [directSuperclass (solveSuperclass classDecl)]
+    (if directSuperclass
+      (into [directSuperclass] (getAllSuperclasses directSuperclass))
+      [])))
\ No newline at end of file
diff --git a/src/app/symbol_solver/scope.clj b/src/effectivejava/symbol_solver/scope.clj
similarity index 92%
rename from src/app/symbol_solver/scope.clj
rename to src/effectivejava/symbol_solver/scope.clj
index cb89923..cceea5d 100644
--- a/src/app/symbol_solver/scope.clj
+++ b/src/effectivejava/symbol_solver/scope.clj
@@ -1,13 +1,12 @@
-(ns app.symbol_solver.scope
-  (:use [app.model.protocols])
-  (:use [app.model.javaparser])
-  (:use [app.javaparser.navigation])
-  (:use [app.operations])
-  (:use [app.itemsOnLifecycle])
-  (:use [app.utils])
-  (:use [app.symbol_solver.type_solver])
+(ns effectivejava.symbol_solver.scope
+  (:use [effectivejava.model.protocols])
+  (:use [effectivejava.model.javaparser])
+  (:use [effectivejava.javaparser.navigation])
+  (:use [effectivejava.operations])
+  (:use [effectivejava.utils])
+  (:use [effectivejava.symbol_solver.type_solver])
   (:require [instaparse.core :as insta])
-  (:import [app.operations Operation]))
+  (:import [effectivejava.operations Operation]))
 
 (import com.github.javaparser.JavaParser)
 (import com.github.javaparser.ast.CompilationUnit)
@@ -64,28 +63,28 @@
 ; scope: we define which declarations are visible
 ; ================================================
 
-(defprotocol scope
+(defprotocol Scope
   ; for example in a BlockStmt containing statements [a b c d e], when solving symbols in the context of c
   ; it will contains only statements preceeding it [a b]
   (solveSymbol [this context nameToSolve])
   ; solveClass solve on a subset of the elements of solveSymbol
   (solveClass [this context nameToSolve]))
 
-(extend-protocol scope
+(extend-protocol Scope
   nil
   (solveClass [this context nameToSolve] (typeSolver nameToSolve)))
 
 (defn declare-symbol? [symbol-name symbols-declarator]
   (get (declared-symbols symbols-declarator) symbol-name))
 
-(extend-protocol scope
+(extend-protocol Scope
   com.github.javaparser.ast.Node
   (solveSymbol [this context nameToSolve]
     (solveSymbol (.getParentNode this) this nameToSolve))
   (solveClass [this context nameToSolve]
     (solveClass (.getParentNode this) this nameToSolve)))
 
-(extend-protocol scope
+(extend-protocol Scope
   BlockStmt
   (solveSymbol [this context nameToSolve]
     (let [elementsToConsider (if (nil? context) (.getStmts this) (preceedingChildren (.getStmts this) context))
@@ -94,8 +93,8 @@
 
 (defn solveClassInPackage [pakage nameToSolve]
   {:pre [typeSolver]}
-  ; TODO first look into the package
-  (typeSolver nameToSolve))
+  (let [qualified-name (if pakage (str (packageName pakage) "." nameToSolve) nameToSolve)]
+    (typeSolver qualified-name)))
 
 (defn solveAmongVariableDeclarator
   [nameToSolve variableDeclarator]
@@ -118,7 +117,7 @@
         solvedSymbols' (remove nil? solvedSymbols)]
     (first solvedSymbols')))
 
-(extend-protocol scope
+(extend-protocol Scope
   com.github.javaparser.ast.body.ClassOrInterfaceDeclaration
   (solveSymbol [this context nameToSolve]
     (let [amongDeclaredFields (solveAmongDeclaredFields this nameToSolve)]
@@ -140,7 +139,7 @@
         matchingParameters (filter (fn [p] (= nameToSolve (.getName (.getId p)))) parameters)]
     (first matchingParameters)))
 
-(extend-protocol scope
+(extend-protocol Scope
   com.github.javaparser.ast.body.MethodDeclaration
   (solveSymbol [this context nameToSolve]
     (or (solve-among-parameters this nameToSolve)
@@ -166,7 +165,7 @@
         correspondingClasses (map typeSolver importNames)]
     (first correspondingClasses)))
 
-(extend-protocol scope
+(extend-protocol Scope
   com.github.javaparser.ast.CompilationUnit
   ; TODO consider imports
   (solveClass [this context nameToSolve]
diff --git a/src/app/symbol_solver/type_solver.clj b/src/effectivejava/symbol_solver/type_solver.clj
similarity index 87%
rename from src/app/symbol_solver/type_solver.clj
rename to src/effectivejava/symbol_solver/type_solver.clj
index 6ae6b6c..aa6cffe 100644
--- a/src/app/symbol_solver/type_solver.clj
+++ b/src/effectivejava/symbol_solver/type_solver.clj
@@ -1,12 +1,11 @@
-(ns app.symbol_solver.type_solver
-  (:use [app.model.protocols])
-  (:use [app.model.javaparser])
-  (:use [app.operations])
-  (:use [app.itemsOnLifecycle])
-  (:use [app.jarloading])
-  (:use [app.utils])
+(ns effectivejava.symbol_solver.type_solver
+  (:use [effectivejava.model.protocols])
+  (:use [effectivejava.model.javaparser])
+  (:use [effectivejava.operations])
+  (:use [effectivejava.jarloading])
+  (:use [effectivejava.utils])
   (:require [instaparse.core :as insta])
-  (:import [app.operations Operation]))
+  (:import [effectivejava.operations Operation]))
 
 ; A TypeSolver is a function which, given a name, return a TypeRef or nil (if not found)
 
diff --git a/src/app/utils.clj b/src/effectivejava/utils.clj
similarity index 97%
rename from src/app/utils.clj
rename to src/effectivejava/utils.clj
index b282d7b..c7f07a7 100644
--- a/src/app/utils.clj
+++ b/src/effectivejava/utils.clj
@@ -1,4 +1,4 @@
-(ns app.utils)
+(ns effectivejava.utils)
 
 (def not-nil? (complement nil?))
 
diff --git a/test-resources/sample-codebases/samples/Superclasses.java b/test-resources/sample-codebases/samples/Superclasses.java
new file mode 100644
index 0000000..7e48a08
--- /dev/null
+++ b/test-resources/sample-codebases/samples/Superclasses.java
@@ -0,0 +1,13 @@
+package sample;
+
+class SC_C {
+
+}
+
+class SC_B extends SC_C {
+
+}
+
+public class SC_A extends SC_B {
+
+}
\ No newline at end of file
diff --git a/test-resources/sample-codebases/samples/test_item10/AbstractClassDoesNotOverrideToString.java b/test-resources/sample-codebases/samples/test_item10/AbstractClassDoesNotOverrideToString.java
new file mode 100644
index 0000000..10dd633
--- /dev/null
+++ b/test-resources/sample-codebases/samples/test_item10/AbstractClassDoesNotOverrideToString.java
@@ -0,0 +1,7 @@
+package effectivejava.test.samples;
+
+public abstract class AbstractClassDoesNotOverrideToString {
+
+    abstract void aMethod();
+
+}
\ No newline at end of file
diff --git a/test-resources/sample-codebases/samples/test_item10/ClassThatDeclaresToStringWithParams.java b/test-resources/sample-codebases/samples/test_item10/ClassThatDeclaresToStringWithParams.java
new file mode 100644
index 0000000..be2c9f0
--- /dev/null
+++ b/test-resources/sample-codebases/samples/test_item10/ClassThatDeclaresToStringWithParams.java
@@ -0,0 +1,19 @@
+package effectivejava.test.samples;
+
+public class ClassThatDeclaresToStringWithParams {
+
+    private final int a;
+
+    public ClassThatDeclaresToStringWithParams(int a) {
+        this.a = a;
+    }
+
+    public int getA() {
+        return a;
+    }
+
+    public String toString(int b) {
+        return Integer.toString(b);
+    }
+
+}
diff --git a/test-resources/sample-codebases/samples/test_item10/ClassThatDoesNotOverrideToString.java b/test-resources/sample-codebases/samples/test_item10/ClassThatDoesNotOverrideToString.java
new file mode 100644
index 0000000..d912600
--- /dev/null
+++ b/test-resources/sample-codebases/samples/test_item10/ClassThatDoesNotOverrideToString.java
@@ -0,0 +1,15 @@
+package effectivejava.test.samples;
+
+public class ClassThatDoesNotOverrideToString {
+
+    private final int a;
+
+    public ClassThatDoesNotOverrideToString(int a) {
+        this.a = a;
+    }
+
+    public int getA() {
+        return a;
+    }
+
+}
diff --git a/test-resources/sample-codebases/samples/test_item10/ClassThatOverridesToString.java b/test-resources/sample-codebases/samples/test_item10/ClassThatOverridesToString.java
new file mode 100644
index 0000000..c604560
--- /dev/null
+++ b/test-resources/sample-codebases/samples/test_item10/ClassThatOverridesToString.java
@@ -0,0 +1,22 @@
+package effectivejava.test.samples;
+
+public class ClassThatOverridesToString {
+
+    private final int a;
+
+    public ClassThatOverridesToString(int a) {
+        this.a = a;
+    }
+
+    public int getA() {
+        return a;
+    }
+
+    @Override
+    public String toString() {
+        return "effectivejava.test.samples.ClassThatOverridesToString{" +
+                "a=" + a +
+                '}';
+    }
+
+}
diff --git a/test-resources/sample-codebases/samples/test_item10/ClassWhoseParentOverridesToString.java b/test-resources/sample-codebases/samples/test_item10/ClassWhoseParentOverridesToString.java
new file mode 100644
index 0000000..2ca05f9
--- /dev/null
+++ b/test-resources/sample-codebases/samples/test_item10/ClassWhoseParentOverridesToString.java
@@ -0,0 +1,16 @@
+package effectivejava.test.samples;
+
+public class ClassWhoseParentOverridesToString extends ParentClassThatOverridesToString {
+
+    private final int a;
+
+    public ClassWhoseParentOverridesToString (int a, int b) {
+        super(b);
+        this.a = a;
+    }
+
+    public int getA() {
+        return a;
+    }
+
+}
diff --git a/test-resources/sample-codebases/samples/test_item10/ParentClassThatOverridesToString.java b/test-resources/sample-codebases/samples/test_item10/ParentClassThatOverridesToString.java
new file mode 100644
index 0000000..d1d28d2
--- /dev/null
+++ b/test-resources/sample-codebases/samples/test_item10/ParentClassThatOverridesToString.java
@@ -0,0 +1,22 @@
+package effectivejava.test.samples;
+
+public class ParentClassThatOverridesToString {
+
+    private final int b;
+
+    public ParentClassThatOverridesToString(int b) {
+        this.b = b;
+    }
+
+    public int getB() {
+        return b;
+    }
+
+    @Override
+    public String toString() {
+        return "effectivejava.test.samples.ParentClassThatOverridesToString{" +
+                "b=" + b +
+                '}';
+    }
+
+}
diff --git a/test-resources/sample-codebases/samples/test_item10/UtilsClassDoesNotOverrideToString.java b/test-resources/sample-codebases/samples/test_item10/UtilsClassDoesNotOverrideToString.java
new file mode 100644
index 0000000..e816625
--- /dev/null
+++ b/test-resources/sample-codebases/samples/test_item10/UtilsClassDoesNotOverrideToString.java
@@ -0,0 +1,9 @@
+package effectivejava.test.samples;
+
+public class UtilsClassDoesNotOverrideToString {
+
+    public static int performSomeOperation(int a) {
+        return a + 5;
+    }
+
+}
\ No newline at end of file
diff --git a/test/app/test/interactive.clj b/test/app/test/interactive.clj
deleted file mode 100644
index 39f9451..0000000
--- a/test/app/test/interactive.clj
+++ /dev/null
@@ -1,24 +0,0 @@
-(ns app.test.interactive
-  (:use [app.interactive]
-        [conjure.core]
-        [clojure.test]))
-
-(deftest can-quit
-  (let [input-command "quit\r"]
-    (with-in-str
-      input-command
-      (mocking [println print flush]
-               (interactive [])
-               (verify-call-times-for println 1)
-               (verify-first-call-args-for println "Exit...")))))
-
-(deftest list-shows-error-if-no-classes-loaded
-  (let [command-sequence ["list" "quit"]
-        input-string (clojure.string/join "\r" command-sequence)]
-    (with-in-str
-      input-string
-      (mocking [println print flush]
-               (interactive [])
-               (verify-call-times-for println 2)
-               (verify-first-call-args-for println
-                                           no-classes-loaded-error)))))
diff --git a/test/app/test/symbol_solver/helper.clj b/test/app/test/symbol_solver/helper.clj
deleted file mode 100644
index 858ac3b..0000000
--- a/test/app/test/symbol_solver/helper.clj
+++ /dev/null
@@ -1,18 +0,0 @@
-(ns app.test.symbol_solver.helper
-  (:use [app.jarloading])
-  (:use [app.model.protocols])
-  (:use [app.model.javaparser])
-  (:use [app.javaparser.navigation])
-  (:use [app.symbol_solver.funcs])
-  (:use [app.symbol_solver.type_solver])
-  (:use [app.symbol_solver.scope])
-  (:use [app.utils])
-  (:use [clojure.test]))
-
-(def javaparser2 "test-resources/sample-jars/javaparser-core-2.0.0.jar")
-(def samplesCus (cus "test-resources/sample-codebases/samples/"))
-(def sampleClasses (flatten (map allTypes samplesCus)))
-
-(defn sampleClass [name]
-  {:post [%]}
-  (first (filter (fn [c] (= name (.getName c))) sampleClasses)))
diff --git a/test/app/test/acceptance.clj b/test/effectivejava/test/acceptance.clj
similarity index 92%
rename from test/app/test/acceptance.clj
rename to test/effectivejava/test/acceptance.clj
index 5d533ee..70a08ed 100644
--- a/test/app/test/acceptance.clj
+++ b/test/effectivejava/test/acceptance.clj
@@ -1,9 +1,9 @@
-(ns app.test.acceptance
-  (:use [app.model.javaparser])
-  (:use [app.operations])
-  (:use [app.itemsOnLifecycle])
-  (:use [app.javaparser.parsing])
-  (:use [app.javaparser.navigation])
+(ns effectivejava.test.acceptance
+  (:use [effectivejava.model.javaparser])
+  (:use [effectivejava.operations])
+  (:use [effectivejava.itemsOnLifecycle])
+  (:use [effectivejava.javaparser.parsing])
+  (:use [effectivejava.javaparser.navigation])
   (:use [clojure.test]))
 
 (def javaparserCus (cus "test-resources/sample-codebases/javaparser/"))
diff --git a/test/app/test/cli.clj b/test/effectivejava/test/cli.clj
similarity index 86%
rename from test/app/test/cli.clj
rename to test/effectivejava/test/cli.clj
index 76d25fb..0e0deda 100644
--- a/test/app/test/cli.clj
+++ b/test/effectivejava/test/cli.clj
@@ -1,13 +1,13 @@
-(ns app.test.cli
+(ns effectivejava.test.cli
   (:require [clojure.tools.cli :refer [parse-opts]])
   (:use [conjure.core])
-  (:use [app.cli])
-  (:use [app.core])
-  (:use [app.model.protocols])
-  (:use [app.model.javaparser])
-  (:use [app.itemsOnLifecycle])
-  (:use [app.javaparser.navigation])
-  (:use [app.operations])
+  (:use [effectivejava.cli])
+  (:use [effectivejava.core])
+  (:use [effectivejava.model.protocols])
+  (:use [effectivejava.model.javaparser])
+  (:use [effectivejava.itemsOnLifecycle])
+  (:use [effectivejava.javaparser.navigation])
+  (:use [effectivejava.operations])
   (:use [clojure.test]))
 
 (def javaparserCus (cus "test-resources/sample-codebases/javaparser/"))
@@ -127,10 +127,10 @@
 (deftest run-invoke-the-right-stuff
   (let [opts {:dir "mydir", :threshold 43, :query :mcp}]
     (stubbing [cus '(:cu1 :cu2 :cu3)]
-              (mocking [println printOperation]
-                       (run opts)
-                       (verify-call-times-for println 1)
-                       (verify-call-times-for printOperation 1)
-                       (verify-first-call-args-for println "Considering" 3 "Java files")
-                       (verify-first-call-args-for printOperation constructorsWithManyParametersOp '(:cu1 :cu2 :cu3) 43)))))
+      (mocking [println printOperation]
+        (run opts)
+        (verify-call-times-for println 1)
+        (verify-call-times-for printOperation 1)
+        (verify-first-call-args-for println "Considering" 3 "Java files")
+        (verify-first-call-args-for printOperation constructorsWithManyParametersOp '(:cu1 :cu2 :cu3) 43)))))
 
diff --git a/test/app/test/core.clj b/test/effectivejava/test/core.clj
similarity index 60%
rename from test/app/test/core.clj
rename to test/effectivejava/test/core.clj
index b4f5474..8a60a08 100644
--- a/test/app/test/core.clj
+++ b/test/effectivejava/test/core.clj
@@ -1,14 +1,19 @@
-(ns app.test.core
-  (:use [app.core])
-  (:use [app.test.helper])
-  (:use [app.itemsOnLifecycle])
-  (:use [app.interactive])
+(ns effectivejava.test.core
+  (:use [effectivejava.core])
+  (:use [effectivejava.test.helper])
+  (:use [effectivejava.itemsOnLifecycle])
+  (:use [effectivejava.interactive])
+  (:use [effectivejava.javaparser.facade])
   (:use [clojure.test])
   (:use [conjure.core])
+  (:use [effectivejava.symbol_solver.funcs])
+  (:use [effectivejava.symbol_solver.type_solver])
   (:require [instaparse.core :as insta]))
 
 (load "helper")
 
+(def sampleClassesItem10Test (cus "test-resources/sample-codebases/samples/test_item10"))
+
 ; ============================================
 ; usageError
 ; ============================================
@@ -93,7 +98,7 @@
            (verify-first-call-args-for exit-error!)))
 
 ; ============================================
-; Other FIXME organize!
+; Item 3 - Singletons
 ; ============================================
 
 (deftest testIsPublicFieldSingletonPositive
@@ -132,6 +137,10 @@
   (let [cl (parseType "NotSingletonEnum_NotOnlyInstance")]
     (is (not (isSingletonEnum? cl)))))
 
+; ============================================
+; Item 7 - Avoid finalizers
+; ============================================
+
 (deftest testClassCallsFinalizer
   (let [cl (parseType "ClassWithFinalizers")]
     (is (true? (calls-finalizers? cl)))))
@@ -148,9 +157,74 @@
   (let [cl (parseType "ClassWithCallToFinalizeWithParams")]
     (is (false? (calls-finalizers? cl)))))
 
-; =============================================================
+; ============================================
+; Item 10 - Override toString()
+; ============================================
+
+(deftest testClassThatOverridesToString
+  (let [type-solver-classes (flatten (map allTypes sampleClassesItem10Test))
+        cl (first (filter #(= (.getName %) "ClassThatOverridesToString")
+                          type-solver-classes))]
+    (is (false? (does-not-override-toString-but-should?
+                 type-solver-classes cl)))))
+
+(deftest testClassWhoseParentsOverrideToString
+  (let [type-solver-classes (flatten (map allTypes sampleClassesItem10Test))
+        cl (first (filter #(= (.getName %) "ClassWhoseParentOverridesToString")
+                          type-solver-classes))]
+    (is (false? (does-not-override-toString-but-should?
+                 type-solver-classes cl)))))
+
+(deftest testClassThatDeclaresToStringWithParams
+  (let [type-solver-classes (flatten (map allTypes sampleClassesItem10Test))
+        cl (first (filter
+                   #(= (.getName %) "ClassThatDeclaresToStringWithParams")
+                   type-solver-classes))]
+    (is (does-not-override-toString-but-should? type-solver-classes cl))))
+
+(deftest testClassThatDoesNotOverrideToString
+  (let [type-solver-classes (flatten (map allTypes sampleClassesItem10Test))
+        cl (first (filter #(= (.getName %) "ClassThatDoesNotOverrideToString")
+                          type-solver-classes))]
+    (is (does-not-override-toString-but-should? type-solver-classes cl))))
+
+(deftest testUtilClassThatDoesNotOverrideToString
+  (let [type-solver-classes (flatten (map allTypes sampleClassesItem10Test))
+        cl (first (filter #(= (.getName %) "UtilsClassDoesNotOverrideToString")
+                          type-solver-classes))]
+    (is (false? (does-not-override-toString-but-should?
+                 type-solver-classes cl)))))
+
+(deftest abstractClassDoesNotNeedToOverrideToString
+  (let [type-solver-classes (flatten (map allTypes sampleClassesItem10Test))
+        cl (first (filter #(= (.getName %) "AbstractClassDoesNotOverrideToString")
+                          type-solver-classes))]
+    (is (false? (does-not-override-toString-but-should?
+                 type-solver-classes cl)))))
+
+; ============================================
+; Type solver gets superclasses correctly
+; ============================================
+
+(deftest test-getAllSuperclasses-depth-0
+  (let [type-solver-classes (flatten (map allTypes sampleClassesItem10Test))
+        cl (first (filter #(= (.getName %) "ParentClassThatOverridesToString")
+                          type-solver-classes))]
+    (binding [typeSolver (typeSolverOnList type-solver-classes)]
+      (let [superclasses (getAllSuperclasses cl)]
+        (is (= 0 (count superclasses)))))))
+
+(deftest test-getAllSuperclasses-depth-1
+  (let [type-solver-classes (flatten (map allTypes sampleClassesItem10Test))
+        cl (first (filter #(= (.getName %) "ClassWhoseParentOverridesToString")
+                          type-solver-classes))]
+    (binding [typeSolver (typeSolverOnList type-solver-classes)]
+      (let [superclasses (getAllSuperclasses cl)]
+        (is (= 1 (count superclasses)))))))
+
+; ============================================
 ; Command parser
-; =============================================================
+; ============================================
 
 (deftest testUnknown
   (is (insta/failure? (command-parser "a not valid command"))))
diff --git a/test/app/test/find_test.clj b/test/effectivejava/test/find_test.clj
similarity index 90%
rename from test/app/test/find_test.clj
rename to test/effectivejava/test/find_test.clj
index daea5c3..408a31a 100644
--- a/test/app/test/find_test.clj
+++ b/test/effectivejava/test/find_test.clj
@@ -1,13 +1,12 @@
-(ns app.test.find_test
-  (:use [app.core])
-  (:use [app.test.helper])
-  (:use [app.find])
-  (:use [app.model.protocols])
-  (:use [app.model.javaparser])
-  (:use [app.javaparser.parsing])
-  (:use [app.javaparser.navigation])
-  (:use [app.symbol_solver.type_solver])
-  (:use [app.symbol_solver.scope])
+(ns effectivejava.test.find_test
+  (:use [effectivejava.core])
+  (:use [effectivejava.test.helper])
+  (:use [effectivejava.find])
+  (:use [effectivejava.model.protocols])
+  (:use [effectivejava.model.javaparser])
+  (:use [effectivejava.javaparser.facade])
+  (:use [effectivejava.symbol_solver.type_solver])
+  (:use [effectivejava.symbol_solver.scope])
   (:use [clojure.test])
   (:use [conjure.core])
   (:require [instaparse.core :as insta]))
diff --git a/test/app/test/helper.clj b/test/effectivejava/test/helper.clj
similarity index 66%
rename from test/app/test/helper.clj
rename to test/effectivejava/test/helper.clj
index 919fd9b..be4eede 100644
--- a/test/app/test/helper.clj
+++ b/test/effectivejava/test/helper.clj
@@ -1,10 +1,10 @@
-(ns app.test.helper
-  (:use [app.model.javaparser])
+(ns effectivejava.test.helper
+  (:use [effectivejava.model.javaparser])
   (:use [clojure.test])
-  (:use [app.javaparser.parsing]))
+  (:use [effectivejava.javaparser.facade]))
 
 (defn readResource [filename]
-  (let [resourceName (str "app/test/samples/" filename ".java.txt")
+  (let [resourceName (str "effectivejava/test/samples/" filename ".java.txt")
         code (slurp (clojure.java.io/resource resourceName))]
     code))
 
diff --git a/test/effectivejava/test/interactive.clj b/test/effectivejava/test/interactive.clj
new file mode 100644
index 0000000..5058ae9
--- /dev/null
+++ b/test/effectivejava/test/interactive.clj
@@ -0,0 +1,82 @@
+(ns effectivejava.test.interactive
+  (:use [effectivejava.interactive]
+        [effectivejava.javaparser.facade]
+        [effectivejava.operations]
+        [effectivejava.itemsOnLifecycle]
+        [conjure.core]
+        [clojure.test]))
+
+(def javaparser-cus-path
+  "test-resources/sample-codebases/javaparser/")
+
+(defn- command-sequence->input-str [command-sequence]
+  (clojure.string/join "\r" command-sequence))
+
+(deftest can-quit
+  (let [input-command "quit\r"]
+    (with-in-str
+      input-command
+      (mocking [println print flush]
+               (interactive [])
+               (verify-call-times-for println 1)
+               (verify-first-call-args-for println exit-message)))))
+
+(deftest shows-help
+  (let [command-sequence ["help" "quit"]
+        input-string (command-sequence->input-str command-sequence)]
+    (with-in-str
+      input-string
+      (mocking [println print flush]
+               (interactive [])
+               (verify-call-times-for println 2)
+               (verify-first-call-args-for println help-message)))))
+
+(deftest list-shows-error-if-no-classes-loaded
+  (let [command-sequence ["list" "quit"]
+        input-string (command-sequence->input-str command-sequence)]
+    (with-in-str
+      input-string
+      (mocking [println print flush]
+               (interactive [])
+               (verify-call-times-for println 2)
+               (verify-first-call-args-for println
+                                           no-classes-loaded-error)))))
+
+
+;; The next four tests check that the operations that can
+;; be used from the interactive mode (mc, mcp, etc.) work as expected.
+;; We are interested in checking whether the printOperation function of the
+;; effectivejava.operations namespace is called with the correct parameters.
+;; For this reason, we can use any compilation units and any threshold (for
+;; the operations that require one).
+
+;; All the operations can be tested in the same way.
+(defn- test-operation [op-command operation & [threshold]]
+  (let [javaparser-cus {:cus (take 2 (cus javaparser-cus-path))}
+        first-command (if threshold
+                        (str op-command " th " threshold)
+                        (str op-command))
+        command-sequence [first-command "quit"]
+        input-string (command-sequence->input-str command-sequence)]
+    (with-in-str
+      input-string
+      (mocking [println print flush printOperation]
+               (interactive javaparser-cus)
+               (verify-call-times-for printOperation 1)
+               (verify-first-call-args-for
+                printOperation operation (:cus javaparser-cus) threshold)))))
+
+(deftest can-execute-mc-operation
+  (test-operation "mc" classesWithManyConstructorsOp 2))
+
+(deftest can-execute-mcp-operation
+  (test-operation "mcp" constructorsWithManyParametersOp 3))
+
+(deftest can-execute-f-operation
+  (test-operation "f" finalizersOp))
+
+(deftest can-execute-st-operation
+  (test-operation "st" classesAndSingletonTypeOp))
+
+(deftest can-execute-ts-operation
+  (test-operation "ts" toStringOp))
diff --git a/test/app/test/itemsOnLifecycle.clj b/test/effectivejava/test/itemsOnLifecycle.clj
similarity index 60%
rename from test/app/test/itemsOnLifecycle.clj
rename to test/effectivejava/test/itemsOnLifecycle.clj
index ebf996b..06c8e88 100644
--- a/test/app/test/itemsOnLifecycle.clj
+++ b/test/effectivejava/test/itemsOnLifecycle.clj
@@ -1,12 +1,12 @@
-(ns app.test.itemsOnLifecycle
-  (:use [app.core])
-  (:use [app.operations])
-  (:use [app.itemsOnLifecycle])
-  (:use [app.model.protocols])
-  (:use [app.model.javaparser])
-  (:use [app.javaparser.navigation])
+(ns effectivejava.test.itemsOnLifecycle
+  (:use [effectivejava.core])
+  (:use [effectivejava.operations])
+  (:use [effectivejava.itemsOnLifecycle])
+  (:use [effectivejava.model.protocols])
+  (:use [effectivejava.model.javaparser])
+  (:use [effectivejava.javaparser.facade])
   (:use [clojure.test])
-  (:use [app.test.helper])
+  (:use [effectivejava.test.helper])
   (:require [instaparse.core :as insta]))
 
 (def javaparserCus (cus "test-resources/sample-codebases/javaparser/"))
diff --git a/test/app/test/jarloading.clj b/test/effectivejava/test/jarloading.clj
similarity index 91%
rename from test/app/test/jarloading.clj
rename to test/effectivejava/test/jarloading.clj
index 442661e..f0b47af 100644
--- a/test/app/test/jarloading.clj
+++ b/test/effectivejava/test/jarloading.clj
@@ -1,7 +1,7 @@
-(ns app.test.jarloading
-  (:use [app.jarloading])
-  (:use [app.model.javaparser])
-  (:use [app.javaparser.navigation])
+(ns effectivejava.test.jarloading
+  (:use [effectivejava.jarloading])
+  (:use [effectivejava.model.javaparser])
+  (:use [effectivejava.javaparser.facade])
   (:use [clojure.test]))
 
 (def javaparser2 "test-resources/sample-jars/javaparser-core-2.0.0.jar")
diff --git a/test/app/test/javaparser.clj b/test/effectivejava/test/javaparser.clj
similarity index 90%
rename from test/app/test/javaparser.clj
rename to test/effectivejava/test/javaparser.clj
index 640d918..8e5695b 100644
--- a/test/app/test/javaparser.clj
+++ b/test/effectivejava/test/javaparser.clj
@@ -1,11 +1,11 @@
-(ns app.test.javaparser
-  (:use [app.core])
-  (:use [app.itemsOnLifecycle])
-  (:use [app.model.protocols])
-  (:use [app.model.javaparser])
-  (:use [app.javaparser.navigation])
+(ns effectivejava.test.javaparser
+  (:use [effectivejava.core])
+  (:use [effectivejava.itemsOnLifecycle])
+  (:use [effectivejava.model.protocols])
+  (:use [effectivejava.model.javaparser])
+  (:use [effectivejava.javaparser.facade])
   (:use [clojure.test])
-  (:use [app.test.helper])
+  (:use [effectivejava.test.helper])
   (:require [instaparse.core :as insta]))
 
 (load "helper")
diff --git a/test/app/test/javaparser/navigation_test.clj b/test/effectivejava/test/javaparser/navigation_test.clj
similarity index 93%
rename from test/app/test/javaparser/navigation_test.clj
rename to test/effectivejava/test/javaparser/navigation_test.clj
index fbce012..743b59b 100644
--- a/test/app/test/javaparser/navigation_test.clj
+++ b/test/effectivejava/test/javaparser/navigation_test.clj
@@ -1,10 +1,9 @@
-(ns app.test.javaparser.navigation_test
-  (:use [app.itemsOnLifecycle])
-  (:use [app.model.protocols])
-  (:use [app.model.javaparser])
-  (:use [app.javaparser.navigation])
-  (:use [app.javaparser.parsing])
-  (:use [app.test.helper])
+(ns effectivejava.test.javaparser.navigation_test
+  (:use [effectivejava.itemsOnLifecycle])
+  (:use [effectivejava.model.protocols])
+  (:use [effectivejava.model.javaparser])
+  (:use [effectivejava.javaparser.facade])
+  (:use [effectivejava.test.helper])
   (:use [clojure.test]))
 
 ; ============================================
diff --git a/test/app/test/model/javaparser_test.clj b/test/effectivejava/test/model/javaparser_test.clj
similarity index 92%
rename from test/app/test/model/javaparser_test.clj
rename to test/effectivejava/test/model/javaparser_test.clj
index 90a4ebb..ff61351 100644
--- a/test/app/test/model/javaparser_test.clj
+++ b/test/effectivejava/test/model/javaparser_test.clj
@@ -1,9 +1,9 @@
-(ns app.test.model.javaparser_test
-  (:use [app.itemsOnLifecycle])
-  (:use [app.model.protocols])
-  (:use [app.model.javaparser])
-  (:use [app.javaparser.navigation])
-  (:use [app.test.helper])
+(ns effectivejava.test.model.javaparser_test
+  (:use [effectivejava.itemsOnLifecycle])
+  (:use [effectivejava.model.protocols])
+  (:use [effectivejava.model.javaparser])
+  (:use [effectivejava.javaparser.facade])
+  (:use [effectivejava.test.helper])
   (:use [clojure.test]))
 
 ; ============================================
diff --git a/test/app/test/operations.clj b/test/effectivejava/test/operations.clj
similarity index 86%
rename from test/app/test/operations.clj
rename to test/effectivejava/test/operations.clj
index 49c62c5..b62e79f 100644
--- a/test/app/test/operations.clj
+++ b/test/effectivejava/test/operations.clj
@@ -1,10 +1,10 @@
-(ns app.test.operations
-  (:use [app.core])
-  (:use [app.operations])
-  (:use [app.itemsOnLifecycle])
-  (:use [app.model.javaparser])
+(ns effectivejava.test.operations
+  (:use [effectivejava.core])
+  (:use [effectivejava.operations])
+  (:use [effectivejava.itemsOnLifecycle])
+  (:use [effectivejava.model.javaparser])
   (:use [clojure.test])
-  (:use [app.test.helper])
+  (:use [effectivejava.test.helper])
   (:require [instaparse.core :as insta]))
 
 (deftest testFormatValueNoCutOnStartNeeded
diff --git a/test/app/test/samples/ASimpleClass.java.txt b/test/effectivejava/test/samples/ASimpleClass.java.txt
similarity index 100%
rename from test/app/test/samples/ASimpleClass.java.txt
rename to test/effectivejava/test/samples/ASimpleClass.java.txt
diff --git a/test/app/test/samples/ASimpleClassInAPackage.java.txt b/test/effectivejava/test/samples/ASimpleClassInAPackage.java.txt
similarity index 100%
rename from test/app/test/samples/ASimpleClassInAPackage.java.txt
rename to test/effectivejava/test/samples/ASimpleClassInAPackage.java.txt
diff --git a/test/app/test/samples/ASimpleEnum.java.txt b/test/effectivejava/test/samples/ASimpleEnum.java.txt
similarity index 100%
rename from test/app/test/samples/ASimpleEnum.java.txt
rename to test/effectivejava/test/samples/ASimpleEnum.java.txt
diff --git a/test/app/test/samples/ASimpleInterface.java.txt b/test/effectivejava/test/samples/ASimpleInterface.java.txt
similarity index 100%
rename from test/app/test/samples/ASimpleInterface.java.txt
rename to test/effectivejava/test/samples/ASimpleInterface.java.txt
diff --git a/test/app/test/samples/ASimplePackage.java.txt b/test/effectivejava/test/samples/ASimplePackage.java.txt
similarity index 100%
rename from test/app/test/samples/ASimplePackage.java.txt
rename to test/effectivejava/test/samples/ASimplePackage.java.txt
diff --git a/test/app/test/samples/ASimplePublicFinalClass.java.txt b/test/effectivejava/test/samples/ASimplePublicFinalClass.java.txt
similarity index 100%
rename from test/app/test/samples/ASimplePublicFinalClass.java.txt
rename to test/effectivejava/test/samples/ASimplePublicFinalClass.java.txt
diff --git a/test/app/test/samples/AnnidatedTypes.java.txt b/test/effectivejava/test/samples/AnnidatedTypes.java.txt
similarity index 100%
rename from test/app/test/samples/AnnidatedTypes.java.txt
rename to test/effectivejava/test/samples/AnnidatedTypes.java.txt
diff --git a/test/app/test/samples/ClassWithCallToFinalizeWithParams.java.txt b/test/effectivejava/test/samples/ClassWithCallToFinalizeWithParams.java.txt
similarity index 100%
rename from test/app/test/samples/ClassWithCallToFinalizeWithParams.java.txt
rename to test/effectivejava/test/samples/ClassWithCallToFinalizeWithParams.java.txt
diff --git a/test/app/test/samples/ClassWithCommentedCallToFinalize.java.txt b/test/effectivejava/test/samples/ClassWithCommentedCallToFinalize.java.txt
similarity index 100%
rename from test/app/test/samples/ClassWithCommentedCallToFinalize.java.txt
rename to test/effectivejava/test/samples/ClassWithCommentedCallToFinalize.java.txt
diff --git a/test/app/test/samples/ClassWithErrors.java.txt b/test/effectivejava/test/samples/ClassWithErrors.java.txt
similarity index 100%
rename from test/app/test/samples/ClassWithErrors.java.txt
rename to test/effectivejava/test/samples/ClassWithErrors.java.txt
diff --git a/test/app/test/samples/ClassWithFinalizers.java.txt b/test/effectivejava/test/samples/ClassWithFinalizers.java.txt
similarity index 100%
rename from test/app/test/samples/ClassWithFinalizers.java.txt
rename to test/effectivejava/test/samples/ClassWithFinalizers.java.txt
diff --git a/test/app/test/samples/ClassWithPublicFieldSingleton.java.txt b/test/effectivejava/test/samples/ClassWithPublicFieldSingleton.java.txt
similarity index 100%
rename from test/app/test/samples/ClassWithPublicFieldSingleton.java.txt
rename to test/effectivejava/test/samples/ClassWithPublicFieldSingleton.java.txt
diff --git a/test/app/test/samples/ClassWithPublicMethodSingleton.java.txt b/test/effectivejava/test/samples/ClassWithPublicMethodSingleton.java.txt
similarity index 100%
rename from test/app/test/samples/ClassWithPublicMethodSingleton.java.txt
rename to test/effectivejava/test/samples/ClassWithPublicMethodSingleton.java.txt
diff --git a/test/app/test/samples/ClassWithoutFinalizers.java.txt b/test/effectivejava/test/samples/ClassWithoutFinalizers.java.txt
similarity index 100%
rename from test/app/test/samples/ClassWithoutFinalizers.java.txt
rename to test/effectivejava/test/samples/ClassWithoutFinalizers.java.txt
diff --git a/test/app/test/samples/ClassWithoutPublicFieldSingleton_NotNamedInstance.java.txt b/test/effectivejava/test/samples/ClassWithoutPublicFieldSingleton_NotNamedInstance.java.txt
similarity index 100%
rename from test/app/test/samples/ClassWithoutPublicFieldSingleton_NotNamedInstance.java.txt
rename to test/effectivejava/test/samples/ClassWithoutPublicFieldSingleton_NotNamedInstance.java.txt
diff --git a/test/app/test/samples/ClassWithoutPublicFieldSingleton_NotPublic.java.txt b/test/effectivejava/test/samples/ClassWithoutPublicFieldSingleton_NotPublic.java.txt
similarity index 100%
rename from test/app/test/samples/ClassWithoutPublicFieldSingleton_NotPublic.java.txt
rename to test/effectivejava/test/samples/ClassWithoutPublicFieldSingleton_NotPublic.java.txt
diff --git a/test/app/test/samples/ClassWithoutPublicFieldSingleton_NotStatic.java.txt b/test/effectivejava/test/samples/ClassWithoutPublicFieldSingleton_NotStatic.java.txt
similarity index 100%
rename from test/app/test/samples/ClassWithoutPublicFieldSingleton_NotStatic.java.txt
rename to test/effectivejava/test/samples/ClassWithoutPublicFieldSingleton_NotStatic.java.txt
diff --git a/test/app/test/samples/ClassWithoutPublicMethodSingleton_NotNamedGetInstance.java.txt b/test/effectivejava/test/samples/ClassWithoutPublicMethodSingleton_NotNamedGetInstance.java.txt
similarity index 100%
rename from test/app/test/samples/ClassWithoutPublicMethodSingleton_NotNamedGetInstance.java.txt
rename to test/effectivejava/test/samples/ClassWithoutPublicMethodSingleton_NotNamedGetInstance.java.txt
diff --git a/test/app/test/samples/LotOfTypes.java.txt b/test/effectivejava/test/samples/LotOfTypes.java.txt
similarity index 100%
rename from test/app/test/samples/LotOfTypes.java.txt
rename to test/effectivejava/test/samples/LotOfTypes.java.txt
diff --git a/test/app/test/samples/NotSingletonEnum_NoInstance.java.txt b/test/effectivejava/test/samples/NotSingletonEnum_NoInstance.java.txt
similarity index 100%
rename from test/app/test/samples/NotSingletonEnum_NoInstance.java.txt
rename to test/effectivejava/test/samples/NotSingletonEnum_NoInstance.java.txt
diff --git a/test/app/test/samples/NotSingletonEnum_NotOnlyInstance.java.txt b/test/effectivejava/test/samples/NotSingletonEnum_NotOnlyInstance.java.txt
similarity index 100%
rename from test/app/test/samples/NotSingletonEnum_NotOnlyInstance.java.txt
rename to test/effectivejava/test/samples/NotSingletonEnum_NotOnlyInstance.java.txt
diff --git a/test/app/test/samples/RefTypes.java.txt b/test/effectivejava/test/samples/RefTypes.java.txt
similarity index 100%
rename from test/app/test/samples/RefTypes.java.txt
rename to test/effectivejava/test/samples/RefTypes.java.txt
diff --git a/test/app/test/samples/SingletonEnum.java.txt b/test/effectivejava/test/samples/SingletonEnum.java.txt
similarity index 100%
rename from test/app/test/samples/SingletonEnum.java.txt
rename to test/effectivejava/test/samples/SingletonEnum.java.txt
diff --git a/test/app/test/samples/TypesToMatch.java.txt b/test/effectivejava/test/samples/TypesToMatch.java.txt
similarity index 100%
rename from test/app/test/samples/TypesToMatch.java.txt
rename to test/effectivejava/test/samples/TypesToMatch.java.txt
diff --git a/test/app/test/symbol_solver/funcs_test.clj b/test/effectivejava/test/symbol_solver/funcs_test.clj
similarity index 74%
rename from test/app/test/symbol_solver/funcs_test.clj
rename to test/effectivejava/test/symbol_solver/funcs_test.clj
index dd33747..a9a8484 100644
--- a/test/app/test/symbol_solver/funcs_test.clj
+++ b/test/effectivejava/test/symbol_solver/funcs_test.clj
@@ -1,13 +1,13 @@
-(ns app.test.symbol_solver.funcs_test
-  (:use [app.jarloading])
-  (:use [app.model.protocols])
-  (:use [app.model.javaparser])
-  (:use [app.javaparser.navigation])
-  (:use [app.symbol_solver.funcs])
-  (:use [app.symbol_solver.type_solver])
-  (:use [app.symbol_solver.scope])
-  (:use [app.test.symbol_solver.helper])
-  (:use [app.utils])
+(ns effectivejava.test.symbol_solver.funcs_test
+  (:use [effectivejava.jarloading])
+  (:use [effectivejava.model.protocols])
+  (:use [effectivejava.model.javaparser])
+  (:use [effectivejava.javaparser.facade])
+  (:use [effectivejava.symbol_solver.funcs])
+  (:use [effectivejava.symbol_solver.type_solver])
+  (:use [effectivejava.symbol_solver.scope])
+  (:use [effectivejava.test.symbol_solver.helper])
+  (:use [effectivejava.utils])
   (:use [clojure.test]))
 
 ; ============================================
@@ -114,3 +114,35 @@
           _ (assert importStmt)
           importedType (solveImportStmt importStmt)]
       (is importedType))))
+
+; ============================================
+; solveSuperclass
+; ============================================
+
+(deftest testSolveSuperclassSimpleCase
+  (binding [typeSolver (typeSolverOnJar javaparser2)]
+    (let [scA (sampleClass "SC_A")
+          _ (assert scA)
+          scB (sampleClass "SC_B")
+          _ (assert scB)
+          scC (sampleClass "SC_C")
+          _ (assert scC)]
+      (is (= scB (solveSuperclass scA)))
+      (is (= scC (solveSuperclass scB)))
+      (is (nil? (solveSuperclass scC))))))
+
+; ============================================
+; getAllSuperclasses
+; ============================================
+
+(deftest testGetAllSuperclasses
+  (binding [typeSolver (typeSolverOnJar javaparser2)]
+    (let [scA (sampleClass "SC_A")
+          _ (assert scA)
+          scB (sampleClass "SC_B")
+          _ (assert scB)
+          scC (sampleClass "SC_C")
+          _ (assert scC)]
+      (is (= [scB scC] (getAllSuperclasses scA)))
+      (is (= [scC] (getAllSuperclasses scB)))
+      (is (= [] (getAllSuperclasses scC))))))
\ No newline at end of file
diff --git a/test/effectivejava/test/symbol_solver/helper.clj b/test/effectivejava/test/symbol_solver/helper.clj
new file mode 100644
index 0000000..b4eb055
--- /dev/null
+++ b/test/effectivejava/test/symbol_solver/helper.clj
@@ -0,0 +1,18 @@
+(ns effectivejava.test.symbol_solver.helper
+  (:use [effectivejava.jarloading])
+  (:use [effectivejava.model.protocols])
+  (:use [effectivejava.model.javaparser])
+  (:use [effectivejava.javaparser.navigation])
+  (:use [effectivejava.symbol_solver.funcs])
+  (:use [effectivejava.symbol_solver.type_solver])
+  (:use [effectivejava.symbol_solver.scope])
+  (:use [effectivejava.utils])
+  (:use [clojure.test]))
+
+(def javaparser2 "test-resources/sample-jars/javaparser-core-2.0.0.jar")
+(def samplesCus (cus "test-resources/sample-codebases/samples/"))
+(def sampleClasses (flatten (map allTypes samplesCus)))
+
+(defn sampleClass [name]
+  {:post [%]}
+  (first (filter (fn [c] (= name (.getName c))) sampleClasses)))
diff --git a/test/app/test/symbol_solver/scope_test.clj b/test/effectivejava/test/symbol_solver/scope_test.clj
similarity index 89%
rename from test/app/test/symbol_solver/scope_test.clj
rename to test/effectivejava/test/symbol_solver/scope_test.clj
index 53f6bdc..4b50cb4 100644
--- a/test/app/test/symbol_solver/scope_test.clj
+++ b/test/effectivejava/test/symbol_solver/scope_test.clj
@@ -1,15 +1,15 @@
-(ns app.test.symbol_solver.scope_test
-  (:use [app.jarloading])
-  (:use [app.model.protocols])
-  (:use [app.model.javaparser])
-  (:use [app.javaparser.navigation])
-  (:use [app.symbol_solver.funcs])
-  (:use [app.symbol_solver.type_solver])
-  (:use [app.symbol_solver.scope])
-  (:use [app.utils])
-  (:use [app.test.helper])
+(ns effectivejava.test.symbol_solver.scope_test
+  (:use [effectivejava.jarloading])
+  (:use [effectivejava.model.protocols])
+  (:use [effectivejava.model.javaparser])
+  (:use [effectivejava.javaparser.facade])
+  (:use [effectivejava.symbol_solver.funcs])
+  (:use [effectivejava.symbol_solver.type_solver])
+  (:use [effectivejava.symbol_solver.scope])
+  (:use [effectivejava.utils])
+  (:use [effectivejava.test.helper])
   (:use [clojure.test])
-  (:use [app.test.symbol_solver.helper]))
+  (:use [effectivejava.test.symbol_solver.helper]))
 
 (deftest testSolveNameInVariableDeclarator
   (let [aClassResolvingToLocalVar (sampleClass "AClassResolvingToLocalVar")
diff --git a/test/app/test/symbol_solver/type_solver_test.clj b/test/effectivejava/test/symbol_solver/type_solver_test.clj
similarity index 79%
rename from test/app/test/symbol_solver/type_solver_test.clj
rename to test/effectivejava/test/symbol_solver/type_solver_test.clj
index 65a9b3a..7eb7365 100644
--- a/test/app/test/symbol_solver/type_solver_test.clj
+++ b/test/effectivejava/test/symbol_solver/type_solver_test.clj
@@ -1,11 +1,11 @@
-(ns app.test.symbol_solver.type_solver_test
-  (:use [app.jarloading])
-  (:use [app.model.protocols])
-  (:use [app.model.javaparser])
-  (:use [app.model.reflection])
-  (:use [app.javaparser.navigation])
-  (:use [app.symbol_solver.type_solver])
-  (:use [app.model.javassist])
+(ns effectivejava.test.symbol_solver.type_solver_test
+  (:use [effectivejava.jarloading])
+  (:use [effectivejava.model.protocols])
+  (:use [effectivejava.model.javaparser])
+  (:use [effectivejava.model.reflection])
+  (:use [effectivejava.javaparser.facade])
+  (:use [effectivejava.symbol_solver.type_solver])
+  (:use [effectivejava.model.javassist])
   (:use [clojure.test]))
 
 (def samplesCus (cus "test-resources/sample-codebases/type_solver_samples/"))
diff --git a/test/app/test/utils.clj b/test/effectivejava/test/utils.clj
similarity index 84%
rename from test/app/test/utils.clj
rename to test/effectivejava/test/utils.clj
index 459656f..3dd24f2 100644
--- a/test/app/test/utils.clj
+++ b/test/effectivejava/test/utils.clj
@@ -1,6 +1,6 @@
-(ns app.test.utils
+(ns effectivejava.test.utils
   (:use [clojure.test])
-  (:use [app.utils]))
+  (:use [effectivejava.utils]))
 
 ; ============================================
 ; preceedingChildren