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怎么实现类和接口都对应不上啊,而且返回值类型也对应不上?是up主写错了吗?还是有我不知道的知识点啊?比如接口的方法定义返回值是Serializable,在实现中去却成了object
The text was updated successfully, but these errors were encountered:
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怎么实现类和接口都对应不上啊,而且返回值类型也对应不上?是up主写错了吗?还是有我不知道的知识点啊?比如接口的方法定义返回值是Serializable,在实现中去却成了object
The text was updated successfully, but these errors were encountered: