File list (Check if you may need any files):
FFT
...\build
...\build.xml
...\.....\classes
...\.....\.......\FFT
...\.....\.......\...\ButterflyOperation.class
...\.....\.......\...\Complex.class
...\.....\.......\...\FFT.class
...\.....\.......\...\Main.class
...\dist
...\....\FFT.jar
...\....\README.TXT
...\manifest.mf
...\nbproject
...\.........\build-impl.xml
...\.........\genfiles.properties
...\.........\private
...\.........\.......\private.properties
...\.........\.......\private.xml
...\.........\project.properties
...\.........\project.xml
...\src
...\...\FFT
...\...\...\ButterflyOperation.java
...\...\...\Complex.java
...\...\...\FFT.java
...\...\...\Main.java
...\test