iteye_15645的博客

[code="java"] public class MessageQueue { private List queue = new ArrayList(); public synchronized String getMessage() throws InterruptedException { while (queue.isEmpty()) { wait()...

[code="java"] public class ABCPrint { public static void main(String[] args){ Semaphore sa = new Semaphore(1); Semaphore sb = new Semaphore(0); Semaphore sc = new Semaphore(0); ...