這個數組是什么類型?
Car [] cars ={new AudiA4("AudiA4\t",500,4,0),new PickUpSnow6("PickUpSnow6",450,4,2),new SongHuaRiver("SongHuaRiver",400,0,4)};
Car [] cars ={new AudiA4("AudiA4\t",500,4,0),new PickUpSnow6("PickUpSnow6",450,4,2),new SongHuaRiver("SongHuaRiver",400,0,4)};
2016-02-29
舉報
2016-02-29
Car類型啊,用戶自己定義的類。不過成員是Car的子類,多態性,便于使用
2016-02-29
大神類型,小白看不懂。