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报错:方法不会覆盖或实现超类型方法报错:方法不会覆盖或实现超类型方法
原文链接:这里 0.背景 有一天在写代码的时候,写完方法后,加入了@Override。然后开始报错:方法不会覆盖或实现超类型方法。然后查了百度处理了好一阵才发现是个极其愚蠢的错误。。。 框架:SpringMVC 环境:IDEA+Maven 1.问题及解决办法 先看impl层: @Override public JSONObject cal1107 Social Clusters (30 分)1107 Social Clusters (30 分)(并查集)
When register on a social network, you are always asked to specify your hobbies in order to find some potential friends with the same hobbies. A "social cluster" is a set of people who have some of their hobbies in common. You are supposed to fi