一个简单的java的线程同步与互斥小程序，可以更好了解线程的同步与互斥方法的调用-A simple java thread synchronization and mutual exclusion program, you can better understand the thread synchronization and mutual exclusion method call

Using Jni technology to achieve in the Java type call Zip32-Using Jni technology to your call Zip32 in the Java type