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重载和重写的区别 #237

@zhonghuasheng

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@zhonghuasheng
  • 重载:同名不同参(参数类型,个数,顺序至少有一个不同)
  • 重写:同名同参,子类方法不能缩小父类方法的访问权限;子类方法不能抛出比父类方法更多的异常;

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