threaddmtd.java

来自「用java编写的一些初级代码」· Java 代码 · 共 39 行

public class ThreadDmtd
{
    public static void main (String args[])
    {
	TestThread t= new TestThread();
	new Thread(t).start();
	new Thread(t).start();
	new Thread(t).start();
	new Thread(t).start();
	//每个线程都卖出了不同的票
    }
}
class TestThread implements Runnable 
{
    private int tickets=50;
    public void run()
    {
	while(true)
	{
	    sale();
	}
    }
    public synchronized void sale(){
	if (tickets>0)
	{
	    try
	    {
		Thread.sleep(10);
	    }
	    catch (Exception e)
	    {
		System.out.println(e.getMessage());
	    }
	    System.out.println(Thread.currentThread().getName() +
		    "is saling tickets"+tickets--);
	}
    }
}