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java基础知识之重写-锦瑟无端五十弦-51CTO博客

 6 years ago
source link: http://blog.51cto.com/10972685/2072256
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1.方法的重写:重新写覆盖       1.发生在父子类中,方法名相同,参数列表相同,方法体不同。       2.重写方法被调用时看对象类型       3.遵循"两同两小,一大的原则     &n

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