2014年9月29日
Objects are mutable
摘要： We can change the state of an object by making an assignment to one of its attributes. For example, to change the size of a rectangle without changing... 阅读全文
posted @ 2014-09-29 23:17 平静缓和用胸音说爱 阅读(173) 评论(0) 推荐(0) 编辑