File list (Check if you may need any files):
Classloader
...........\.classpath
...........\.project
...........\bin
...........\...\classloader
...........\...\...........\CalculatorTest.class
...........\...\...........\ClassIdentity.class
...........\...\...........\ClassLoaderTree.class
...........\...\...........\FileSystemClassLoader.class
...........\...\...........\ICalculator.class
...........\...\...........\NetworkClassLoader.class
...........\...\...........\Versioned.class
...........\...\com
...........\...\...\example
...........\...\...\.......\CalculatorAdvanced.class
...........\...\...\.......\CalculatorBasic.class
...........\...\...\.......\Sample.class
...........\src
...........\...\classloader
...........\...\...........\CalculatorTest.java
...........\...\...........\ClassIdentity.java
...........\...\...........\ClassLoaderTree.java
...........\...\...........\FileSystemClassLoader.java
...........\...\...........\ICalculator.java
...........\...\...........\NetworkClassLoader.java
...........\...\...........\Versioned.java
...........\...\com
...........\...\...\example
...........\...\...\.......\CalculatorAdvanced.java
...........\...\...\.......\CalculatorBasic.java
...........\...\...\.......\Sample.java