成员内部类

 

package cn.lxl.innerclass;

class MemberClass{
    private int a=4;

    class Inner{
        private int a=5;
        public void info(){
            System.out.println(MemberClass.this.a);
        }
    }
}
public class MemberClassInner {
    public static void main(String[] args){
        MemberClass.Inner inner=new MemberClass().new Inner();
        inner.info();
    }
}