编写一个Java应用程序，在线程中再创建2个线程，要求线程经历4种状态：新建、运行、中断、死亡。-prepared a Java application procedures, the threads again create two threads, thread requirements experienced four stages : new, operations, interruption, death.

java线程的源代码，是关于线程的，对理解线程很有帮助 -java source code is on the threads, thread helpful for understanding