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每日一题:项目里经常用 List,也都知道它是动态扩容的。如果我 ...
List 本身不会造成传统意义上的内存泄漏,但它因“只扩不缩”的内部数组机制,容易导致对象非预期滞留——比如一个曾存过 10 万个对象的 List,即使调用 Clear 清空了内容,其底层数组 _items 仍可能保留着对那些对象的引用(尤其用 ...
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