单例模式之静态内部类

单例模式之静态内部类

package com.cdsxt.test;public class Singleton3 {//单例模式之静态内部类private Singleton3(){}private static class Single{private static final  Singleton3 singleton=new Singleton3(); }public static Singleton3 getSingle(){return Single.singleton;}public static void main(String[] args) {Singleton3 single1=Singleton3.getSingle();Singleton3 single2=Singleton3.getSingle();System.out.println(single1==single2);}}