九月 16, 2014Java设计模式 - SingletonJava 设计模式 单例模式 Singleton 懒汉(线程安全)12345678910111213141516//懒汉public class Singleton { private static Singleton singleton; private Singleton() { } public static synchronized Singleton getSingleton() { if (singleton == null) { singleton = new Singleton(); } return singleton; }}