根据huffman树的一个压缩程序，可以压缩和解压单个文件，压缩率80 左右-huffman tree in accordance with a compression program, you can compress and decompress a single file, the compression rate of 80

jaVA哈弗曼算法，对初学者有帮组，其实哈弗曼树比较容易懂。-jaVA Havermann algorithm, there are help groups for beginners, in fact, relatively easy to understand Havermann tree.