单例最简单的应用:
public class Car { private static Car car=new Car(); public static Car getInstance() { return car; } public static void main(String args[]) { Car car1=getInstance(); Car car2=getInstance(); if(car1==car2) { System.out.println("same"); } } }
原文:http://blog.csdn.net/jcy472578/article/details/18265227