有名内部类



 1 package com.xt.innerClass;
 2 
 3 public class Body {
 4 
 5     class Heart{
 6         public void beat() {
 7             System.out.println("心脏在跳动。。");
 8         }
 9     }
10     
11     public static void walk() {
12         System.out.println("身体在走路。。");
13     }
14     
15     public static void main(String[] args) {
16         Body body = new Body();
17         Body.walk();
18         Heart heart = body.new Heart();
19         heart.beat();
20     }
21 }