摘要: public enum ReYoSingleton { INSTANCE; private SingletonClass instance; ReYoSingleton() { this.instance = new SingletonClass(); System.out.println("枚举类 阅读全文
posted @ 2020-02-12 16:35 锐洋智能 阅读(801) 评论(0) 推荐(0) 编辑