File list (Check if you may need any files):
Huffman
.......\build
.......\build.xml
.......\.....\classes
.......\.....\.......\huffman
.......\.....\.......\.......\CodeGroup.class
.......\.....\.......\.......\Compress.class
.......\.....\.......\.......\Decompress.class
.......\.....\.......\.......\HuffmanTree.class
.......\.....\.......\.......\HuffmanTreeNode.class
.......\.....\.......\.......\Huffman_compress.txt
.......\.....\.......\.......\MainTest.class
.......\.....\.......\.......\TreeBuild.class
.......\Huffman_compress.txt
.......\manifest.mf
.......\nbproject
.......\.........\build-impl.xml
.......\.........\genfiles.properties
.......\.........\private
.......\.........\.......\private.properties
.......\.........\.......\private.xml
.......\.........\project.properties
.......\.........\project.xml
.......\src
.......\...\huffman
.......\...\.......\CodeGroup.java
.......\...\.......\Compress.java
.......\...\.......\Decompress.java
.......\...\.......\HuffmanTree.java
.......\...\.......\HuffmanTreeNode.java
.......\...\.......\MainTest.java
.......\...\.......\TreeBuild.java
.......\test