目录前言一、this关键字概述二、区分成员变量和局部变量2.1 问题背景2.2 使用this解决命名冲突2.3 对比表格：使用this与不使用this的区别三、调用当前类的构造方法3.1 构造方法重载中的this调用3.2 使用注意事项3.3
I have a NSMutableArray I get by loading a plist into it. The date field comes in as a string and i want to change it into a nsdate. I can change an nsstring into an nsdate.
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