生产者消费者同步问题，用于模拟都线程的并行与互斥-Producer consumer synchronization, threads are used to simulate parallel and mutually exclusive

java 多线程编程，演示了线程等待，唤醒。可以达到并行计算。利用著名操作系统的生产者与消费者说了原理。-java multithreaded programming that demonstrates thread waiting, wake up. Parallel computing can be achieved. Using well-known operating system that the principle of producers and consumers.