2025 Shanghai Software Developer Summer Internshippart1是HackerRank里的,个人实力不济,选择躺平。第一道写一个newsProvider类,需要实现AddSubscription,RemoveSubscription,NewsReceived,HashMap方法。第二道写一个卫星网络的类,要实现SatelliteConnected,RelationshipEstablished,MessageReceived三个方...