首页 > 技术文章 > java匿名接口的实现

lrzb 2019-11-05 17:24 原文

显式的实现(implements)

interface InterfaceName
{
  //abstract methods declaration
}

class ClassName implements InterfaceName
{
  //abstract methods overwrite
}

示例代码:

package com.lx;

interface Runner
{
  public void run();
}

class Person implements Runner
{

  @Override
  public void run() {
    // TODO Auto-generated method stub
    System.out.println("我是人类,我会跑。");
  }
}

public class DemoInterface
{
  public static void main(String[] args) {
    Runner r=new Person();

    r.run();
  }
}

2、隐式的实现

interface InterfaceName
{
  //abstract methods declaration
}

InterfaceName i=new InterfaceName() {
  //abstract methods overwrite
}

示例代码:

package com.lx;

interface Runner
{
  public void run();
}


public class DemoInterface
{
  public static void main(String[] args) {
    Runner r=new Runner() {

      @Override
      public void run() {
        // TODO Auto-generated method stub
        System.out.println("我是匿名的,但是我会跑。。。");
      }
    };
    r.run();
  }
}

推荐阅读