Just two methods need to have their visibility changed to public: void main and void connect (Connection con).
只有两个方法的可见性需要改为public：voidmain和voidconnect (Connectioncon)。
Just two methods need to have their visibility changed to public: void main and void connect (Connection con).
只有两个方法的可见性需要改为public：voidmain和voidconnect (Connectioncon)。
应用推荐