1 单例模式
2 代码实现
class Singleton{ private static Singleton singleton = new Singleton(); private Singleton(){ } public static Singleton getSingleton(){ System.out.println("this is single"); return singleton; } }
1 单例模式
2 代码实现
class Singleton{ private static Singleton singleton = new Singleton(); private Singleton(){ } public static Singleton getSingleton(){ System.out.println("this is single"); return singleton; } }