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  • 创建多线程的方式:继承Thread类和实现Runnable接口

    1、通过继承Thread类的方式创建多线程(这里只是简单的代码演示创建多线程的方法)

     1 package com.baozi.exer;
     2 
     3 public class ThreadDemo {
     4     public static void main(String[] args) {
     5         Thread1 t1=new Thread1();
     6         Thread2 t2=new Thread2();
     7         t2.start();
     8         t1.start();
     9     }
    10 }
    11 class Thread1 extends Thread {
    12     @Override
    13     public void run() {
    14         for (int i = 0; i <= 100; i++) {
    15             if (i % 2 == 0) {
    16                 System.out.println(Thread.currentThread().getName() + " : " + i);
    17             }
    18         }
    19     }
    20 }
    21 class Thread2 extends Thread {
    22     @Override
    23     public void run() {
    24         for (int i = 0; i <= 100; i++) {
    25             if (i % 2 != 0) {
    26                 System.out.println(Thread.currentThread().getName() + " : " + i);
    27             }
    28         }
    29     }
    30 }

    2、通过实现Runnable接口的方式创建多线程

     1 package com.baozi.test;
     2 
     3 public class ThreadRunnable {
     4     public static void main(String[] args) {
     5         MyThread1 mt1 = new MyThread1();
     6         Thread t1 = new Thread(mt1);
     7         t1.start();
     8     }
     9 }
    10 class MyThread1 implements Runnable {
    11     @Override
    12     public void run() {
    13         for (int i = 0; i < 100; i++) {
    14             if (i % 2 == 0) {
    15                 System.out.println(Thread.currentThread().getName() + " : " + i);
    16             }
    17         }
    18     }
    19 }

    3、两种方式的比较:

    • 实现Runnable接口的方式没有类的单继承性的限制性;
    • 实现的方式更适合处理多个线程之间有共享数据的情况;

    所以在开发中会优先选择实现Runnable接口的方式实现多线程

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  • 原文地址:https://www.cnblogs.com/BaoZiY/p/10726511.html
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