本内容遵循CC 4.0 BY-SA版权协议 周五晚上，小刘抱着电脑来找我：“杨工，我改一个对象里的列表，结果另一个对象也跟着变了，这是见鬼了吗？” 我笑了：“没见鬼，你这是浅拷贝。” 第一幕：搬家那天 小刘租的房子到期，要搬去新小区。 他有两样东西： ...

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