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金三银四跳槽季，拿上攻略有底气！
source link: https://juejin.im/post/5c7f3b195188251ba64ea8b3
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马上又到了金三银四了，整理了一些面试题，希望对大家有所帮助 ~ 虽然我不推荐大家刷题，这里仅供大家差缺补漏。所有的知识点还是重在自己理解，用自己的方式表达出来比较好。 Java 知识 基础 什么是面向对象（OOP）？ 什么是多态？实现多态的机制是什么？ 接口
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