diff --git a/5 - A Hello World Program/src/Application.java b/05 - A Hello World Program/src/Application.java
similarity index 100%
rename from 5 - A Hello World Program/src/Application.java
rename to 05 - A Hello World Program/src/Application.java
diff --git a/6 - Using Variables/src/Application.java b/06 - Using Variables/src/Application.java
similarity index 100%
rename from 6 - Using Variables/src/Application.java
rename to 06 - Using Variables/src/Application.java
diff --git a/7 - Strings - Working With Text/src/Application.java b/07 - Strings - Working With Text/src/Application.java
similarity index 100%
rename from 7 - Strings - Working With Text/src/Application.java
rename to 07 - Strings - Working With Text/src/Application.java
diff --git a/8 - While Loops/src/Application.java b/08 - While Loops/src/Application.java
similarity index 100%
rename from 8 - While Loops/src/Application.java
rename to 08 - While Loops/src/Application.java
diff --git a/9 - For Loops/src/Application.java b/09 - For Loops/src/Application.java
similarity index 100%
rename from 9 - For Loops/src/Application.java
rename to 09 - For Loops/src/Application.java