package singletonPattern; public class Client { public static void main(String[] args) { // private 생성자이므로 new를 통해 인스턴스를 생성할 수 없다. // Singleton s = new Singleton(); Singleton s1 = Singleton.getInstance(); Singleton s2 = Singleton.getInstance(); Singleton s3 = Singleton.getInstance(); System.out.println(s1); System.out.println(s2); System.out.println(s3); s1 = null; s2 = null; s3 = null; } }