2014年6月29日
The in operator
摘要： The operators we have seen so far are all special characters like + and *, but there are a few operators that are words. in is a boolean operator that... 阅读全文
posted @ 2014-06-29 15:40 平静缓和用胸音说爱 阅读(198) 评论(0) 推荐(0)
String methods
摘要： A method is similar to a function – it takes arguments and returns a value – but the syntax is different. For example, the method upper takes a string... 阅读全文
posted @ 2014-06-29 15:22 平静缓和用胸音说爱 阅读(284) 评论(0) 推荐(0)