接口回调

 1 package com.laurdawn;
 2 
 3 public class Test {
 4 
 5     public static void main(String[] args) {
 6         Callbak callback = new Callbak() {
 7 
 8             @Override
 9             public void getPosition(float x) {
10                 System.out.println("接口回调的位置：" + x);
11             }
12         };
13         new Mythread(callback).start();
14     }
15 
16     public static class Mythread extends Thread {
17         private Callbak callback;
18         private float currentX = 0;
19 
20         public Mythread(Callbak callback) {
21             this.callback = callback;
22         }
23 
24         @Override
25         public void run() {
26             while (true) {
27                 currentX++;
28                 callback.getPosition(currentX);
29                 try {
30                     sleep(300);
31                 } catch (InterruptedException e) {
32                     e.printStackTrace();
33                 }
34             }
35         }
36     }
37 
38     public interface Callbak {
39         public void getPosition(float x);
40     }
41 
42 }