单例类

 1 package com.array.jun;
 2 
 3 public class Singletion {
 4 
 5     private static String test = "This is a singletion!";
 6     
 7     private Singletion(){}
 8     
 9     public static void Test(){
10         System.out.println(test);
11     }
12     
13     public static void main(String[] args) {
14         // TODO Auto-generated method stub
15         Singletion.Test();
16     }
17 
18 }
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原文地址：https://www.cnblogs.com/xiyixin/p/10433085.html