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什么是堆？什么是栈？它们之间有什么区别和联系？ #74

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LuckyWinty opened this issue Oct 18, 2020 · 1 comment
Open

什么是堆？什么是栈？它们之间有什么区别和联系？ #74

LuckyWinty opened this issue Oct 18, 2020 · 1 comment
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LuckyWinty commented Oct 18, 2020 •
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堆和栈的概念存在于数据结构中和操作系统内存中。在数据结构中，栈中数据的存取方式为 先进后出。而堆是一个优先队列，是按优先级来进行排序的，优先级可以按照大小来规定。完全 二叉树是堆的一种实现方式。在操作系统中，内存被分为栈区和堆区。栈区内存由编译器自动分 配释放，存放函数的参数值，局部变量的值等。其操作方式类似于数据结构中的栈。堆区内存一 般由程序员分配释放，若程序员不释放，程序结束时可能由垃圾回收机制回收。

详细资料可以参考： 《什么是堆？什么是栈？他们之间有什么区别和联系？》

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