threethreaddemo.java

Java面向对象编程(随书配套源代码) 阐述了面向对象编程的思想

package chapter10;
public class ThreeThreadDemo
{
    public static void main(String args[])
    {
        new NewThread("First");
        new NewThread("Second");
        new NewThread("Third");
    	try
    	{
            Thread.sleep(10000);
        }
        catch(InterruptedException e)
        {
           System.out.println("Main thread Interrupted");
        }
        System.out.println("Main thread exiting.");
    }
}
 class NewThread implements Runnable
 {
	String name;
    Thread t;
    NewThread(String th)
    {
        name=th;
        t=new Thread(this,name);
        System.out.println("New thread: "+t);
        t.start();
    }
    public void run()
    {
        try
        {
            for(int i=3;i>=0;i--)
            {
                System.out.println(name+":"+i);
                Thread.sleep(1000);
            }
        } catch(InterruptedException e)
        {
            System.out.println(name+"Interrupted");
        }
        System.out.println(name+"  exiting.");
    }
}