运用java开发工具，java 本身具有的类库的优势，应用java 提供的有关方法实现基本的压缩和解压缩功能。-use java development tools, java itself with the library's strengths, java application of the method for the realization of basic compression functions.

java的线程学习资料。里面的资料几乎涉及到java的所有基础问题。-java thread learning materials. Inside the data was almost all related to basic problems of java.

Jasypt (Java Simplified Encryption) is a java library which allows the developer to add basic encryption capabilities to his/her projects with minimum effort, and without the need of having deep knowledge on how cryptography works.

java and basic program