From 5077b507166fa4819514901c1db8a85dc3f8533d Mon Sep 17 00:00:00 2001
From: huevo-dev <javier_f13@outlook.com>
Date: Wed, 15 Oct 2025 17:28:36 -0600
Subject: [PATCH] Completed: C05 - StructuresExercises.

---
 .idea/.gitignore                              |  3 ++
 .idea/misc.xml                                |  6 +++
 .idea/modules.xml                             |  8 ++++
 .idea/vcs.xml                                 |  6 +++
 MoureDev.iml                                  | 11 +++++
 basic/c05_structures/StructuresExercises.java | 47 +++++++++++++++++++
 6 files changed, 81 insertions(+)
 create mode 100644 .idea/.gitignore
 create mode 100644 .idea/misc.xml
 create mode 100644 .idea/modules.xml
 create mode 100644 .idea/vcs.xml
 create mode 100644 MoureDev.iml

diff --git a/.idea/.gitignore b/.idea/.gitignore
new file mode 100644
index 0000000..26d3352
--- /dev/null
+++ b/.idea/.gitignore
@@ -0,0 +1,3 @@
+# Default ignored files
+/shelf/
+/workspace.xml
diff --git a/.idea/misc.xml b/.idea/misc.xml
new file mode 100644
index 0000000..188022c
--- /dev/null
+++ b/.idea/misc.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_25" default="true" project-jdk-name="25" project-jdk-type="JavaSDK">
+    <output url="file://$PROJECT_DIR$/out" />
+  </component>
+</project>
\ No newline at end of file
diff --git a/.idea/modules.xml b/.idea/modules.xml
new file mode 100644
index 0000000..9f26f60
--- /dev/null
+++ b/.idea/modules.xml
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectModuleManager">
+    <modules>
+      <module fileurl="file://$PROJECT_DIR$/MoureDev.iml" filepath="$PROJECT_DIR$/MoureDev.iml" />
+    </modules>
+  </component>
+</project>
\ No newline at end of file
diff --git a/.idea/vcs.xml b/.idea/vcs.xml
new file mode 100644
index 0000000..35eb1dd
--- /dev/null
+++ b/.idea/vcs.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="" vcs="Git" />
+  </component>
+</project>
\ No newline at end of file
diff --git a/MoureDev.iml b/MoureDev.iml
new file mode 100644
index 0000000..b107a2d
--- /dev/null
+++ b/MoureDev.iml
@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module type="JAVA_MODULE" version="4">
+  <component name="NewModuleRootManager" inherit-compiler-output="true">
+    <exclude-output />
+    <content url="file://$MODULE_DIR$">
+      <sourceFolder url="file://$MODULE_DIR$" isTestSource="false" />
+    </content>
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+  </component>
+</module>
\ No newline at end of file
diff --git a/basic/c05_structures/StructuresExercises.java b/basic/c05_structures/StructuresExercises.java
index c60b52e..3ad5fa7 100644
--- a/basic/c05_structures/StructuresExercises.java
+++ b/basic/c05_structures/StructuresExercises.java
@@ -5,28 +5,75 @@
 Vídeo: https://youtu.be/JOAqpdM36wI?t=15680
 */
 
+import java.util.*;
+import java.util.Arrays;
+
+import static java.lang.IO.println;
+
 public class StructuresExercises {
 
     public static void main(String[] args) {
 
         // 1. Crea un Array con 5 valores e imprime su longitud.
 
+        String[] colors = {"red", "blue", "yellow", "orange", "purple", "white"};
+        println("Colors length: " + colors.length);
+
         // 2. Modifica uno de los valores del Array e imprime el valor del índice antes y después de modificarlo.
 
+        println("Before modify color: " + colors[2]);
+        colors[2] = "black";
+        println("After modify color: " + colors[2]);
+
         // 3. Crea un ArrayList vacío.
 
+        ArrayList<Integer> numbers = new ArrayList<>();
+
         // 4. Añade 4 valores al ArrayList y elimina uno a continuación.
 
+        numbers.add(1);
+        numbers.add(2);
+        numbers.add(3);
+        numbers.add(4);
+
+        numbers.remove(2);
+
         // 5. Crea un HashSet con 2 valores diferentes.
 
+        HashSet<String> identifiers = new HashSet<>();
+        identifiers.add("123");
+        identifiers.add("456");
+
         // 6. Añade un nuevo valor repetido y otro sin repetir al HashSet.
 
+        identifiers.add("123");
+        identifiers.add("789");
+
         // 7. Elimina uno de los elementos del HashSet.
 
+        identifiers.remove("789");
+
         // 8. Crea un HashMap donde la clave sea un nombre y el valor el número de teléfono. Añade tres contactos.
 
+        HashMap<String, Integer> contacts = new HashMap<>();
+        contacts.put("Javier", 123);
+        contacts.put("Danni", 456);
+        contacts.put("Bry", 789);
+
         // 9. Modifica uno de los contactos y elimina otro.
 
+        contacts.replace("Danni", 159);
+
         // 10. Dado un Array, transfórmalo en un ArrayList, a continuación en un HashSet y finalmente en un HashMap con clave y valor iguales.
+
+        ArrayList<String> colorsList = new ArrayList<>(Arrays.asList(colors));
+        HashSet<String> colorsHashSet = new HashSet<>(Arrays.asList(colors));
+        HashMap<String, Integer> colorsHashMap = new HashMap<>();
+
+        for (int i = 0; i < colors.length; i++) {
+            colorsHashMap.putIfAbsent(colors[i], i);
+            println("Color ID: " + i + " || Color name: " + colors[i]);
+        }
+
     }
 }