File list (Check if you may need any files):
jiami
.....\.classpath
.....\.project
.....\.settings
.....\.........\org.eclipse.jdt.core.prefs
.....\bin
.....\...\bd
.....\...\..\qn
.....\...\..\..\Test.class
.....\...\com
.....\...\...\bd
.....\...\...\..\qn
.....\...\...\..\..\Decryption.class
.....\...\...\..\..\Encryption.class
.....\...\...\..\..\Swither.class
.....\src
.....\...\bd
.....\...\..\qn
.....\...\..\..\Test.java
.....\...\com
.....\...\...\bd
.....\...\...\..\qn
.....\...\...\..\..\Decryption.java
.....\...\...\..\..\Encryption.java
.....\...\...\..\..\Swither.java