多线程——实现Runnable接口实现一个多线程

实现Runnable接口实现一个多线程

Runnable接口源码：

package java.lang;
//Runnable接口源码只有一个run方法
public interface Runnable {
    public abstract void run();
}

实现Runnable的两个多线程类：

public class RunnableThread1 implements Runnable {

    @Override
    public void run() {
        for (int i = 0; i < 5; i++) {
            System.out.println(Thread.currentThread().getName() + ":线程启动....");
            try {
                Thread.sleep(1000);
            } catch (InterruptedException e) {
                e.printStackTrace();
            }
        }
    }
}
public class RunnableThread2 implements Runnable {

    @Override
    public void run() {
        for (int i = 0; i < 5; i++) {
            System.out.println(Thread.currentThread().getName() + ":线程启动....");
            try {
                Thread.sleep(2000);
            } catch (InterruptedException e) {
                e.printStackTrace();
            }
        }
    }
}

测试：

public class TestThread {
    public static void main(String[] args) {
        RunnableThread1 thread1 = new RunnableThread1();
        RunnableThread2 thread2 = new RunnableThread2();

        Thread t1 = new Thread(thread1, "线程1");
        Thread t2 = new Thread(thread2);// 线程2为系统命名

        // 不能再此处调用sleep()方法

        t1.start();
        t2.start();
    }
}
结果：
Thread-0:线程启动....
线程1:线程启动....
线程1:线程启动....
Thread-0:线程启动....
线程1:线程启动....
线程1:线程启动....
Thread-0:线程启动....
线程1:线程启动....
Thread-0:线程启动....
Thread-0:线程启动....