老师请问对象和实例的区别

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#22 Created at ... [Delete] [Delete and Lock User]

对象只是抽象出来的一个概念，实际上不占用内存。但是对象是占用内存的，是一个真实存在的东西。

这个比方让我很困惑啊！

#23 Created at ... [Delete] [Delete and Lock User]

听君一席话，胜读十年书

#24 Created at ... [Delete] [Delete and Lock User]

简而言之，是否就是“概念”与其代表的“实物”的关系？

#25 Created at ... [Delete] [Delete and Lock User]

av女优的例子真的令人豁然开朗

#26 Created at ... [Delete] [Delete and Lock User]

av女优的例子真的令人豁然开朗

#27 Created at ... [Delete] [Delete and Lock User]

这例子令我豁然看狼