package com.InnerClass;

 public class Mama {

     String name;

     Baby baby;

     Mama(String name){

         this.name = name;

         baby = new Baby();  //外部类创建内部类对象

         baby.mamaName();

     }

     Baby creat(){

         return new Baby();

     }

     class Baby{   //内部类

         void mamaName(){

             System.out.println(Mama.this.name);  //可以简写(name)

                                                  //如果写成(this.name)则不对,this指代对象不对

         }

     }

 }