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			<section class="content">5个数据段
       进程（执行的程序）会占用一定数量的内存，它或是用来存放从磁盘载入的程序代码，或是存放取自用户输入的数据等等。不过进程对这些内存的管理方式因内存用途 不一而不尽相同，有些内存...</section>
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			<h2 class="title"><a href="https://liukuan.net/note/82.html">object-C 与 C++的比较</a></h2>
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目前好象只有Apple使用Objective-C作为其支持的语言吧。
与C++的不同之处有：
O-C中所有的类都必须继承自NSObject。
O-C中所有对象都是指针的形式。
O-C用se...</section>
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