The parent keyword is particularly important in constructor methods.
parent关键字在构造函数方法中尤其重要。
Each class should have an appropriate constructor, data members to set and read methods.
每个类都应有合适的构造方法、数据成员的设置和读取方法。
Each class should have an appropriate constructor, data members to set and read methods.
每个类都应有合适的构造方法、数据成员的设置和读取方法。
应用推荐