java多线程简单小举例

package com.vobile;

public class TestThread extends Thread {
    private static int threadCount = 0;
    private int threadNum = ++threadCount;
    private int i = 5;

    public void run() {
        while (true) {
            try {
                Thread.sleep(100);
            } catch (InterruptedException e) {
                System.out.println("Interrupted");
            }

            System.out.println("Thread " + threadNum + " = " + i);

            if (--i == 0)
                return;
        }
    }

    public static void main(String[] args) {
        for (int i = 0; i < 5; i++)
            new TestThread().start();
    }
}