2022年11月15日
String StringBuffer StringBuilder
摘要： String is fixed ,so object when created ,it cannot be modified any more. it's ineffective. in-effulent; when you use "+" to combine two String, via an 阅读全文
posted @ 2022-11-15 23:53 MikeLi 阅读(18) 评论(0) 推荐(0)