单例模式
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package com.kiloPhone.designmode;/** * 饿汉式 */class SingletonHungryType {private static SingletonHungryType instance = new SingletonHungryType();private SingletonHungryType() {}static SingletonHungryType getInstance() {return instance;}}/** * 懒汉式 */class SingletonLazyType {private static SingletonLazyType instance = null;private SingletonLazyType() {}static SingletonLazyType getInstance() {if (instance == null) {instance = new SingletonLazyType();}return instance;}}
