摘要: 双重锁单例模式,代码如下(代码是从我的好同事这里直接拷贝的) public class Singleton { private volatile static Singleton instance; private Singleton () { } public static Singleton g 阅读全文
posted @ 2021-02-07 19:34 cfdroid 阅读(270) 评论(0) 推荐(0)