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  内存区域 - kaelinda

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          <h1>内存区域</h1>

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          <span class="date">2019/1/7</span>

          <span>posted in&nbsp;</span>

              <span class="posted-in"><a href='ios.html'>iOS</a></span>


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      <h2 id="toc_0">1、介绍下内存区域</h2>

<ul>
<li><p>栈(Stack)</p>
<ul>
<li>【特点】：先进先出</li>
<li>【分配和释放】：编译器自动分配、自动释放；</li>
<li>存放函数的参数值、局部变量，方法调用的实参也是保存在栈区的。</li>
<li>栈是系统数据结构，对应线程/进程是唯一的</li>
<li>优点是快速高效，缺点是有限制，数据不灵活</li>
</ul></li>
<li><p>堆(Heap)</p></li>
<li><p>全局区(静态区)</p></li>
<li><p>常量区/数据段</p></li>
<li><p>代码区/代码段</p></li>
</ul>

<p>【面试】 阿里p6面试题</p>


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