霍夫曼编译码，对数据文件中的字符进行统计，根据概率进行编码，并实现对数据文件压缩和解压缩过程-Huffman encoding and decoding of data files characters in statistics, according to the probability of encoding, and data files to achieve compression and decompression proce

利用JAVA 实现的 霍夫曼编码压缩解压缩算法 -The use of JAVA Huffman coding to achieve compression decompression algorithms