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How to use instanceof

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Release： 2023-04-02 11:24:02
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这篇文章主要介绍了关于instanceof的使用方法，有着一定的参考价值，现在分享给大家，有需要的朋友可以参考一下

测试单独一个类：

 1 
Copy after login

当一个子类继承父类：

 1 
Copy after login

当实现接口时：

Copy after login

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