摘要: 编译期常量与运行时常量的区别: public static final String str = "hello world!"; // 编译期常量(值在编译期就能确定) public static final String str1 = UUID.randomUUID().toString(); / 阅读全文
posted @ 2018-12-29 03:03 jqbai 阅读(163) 评论(0) 推荐(0)