Android Studio. 8.4 修改層次結構中的類別

Android Studio 8.4 Modify The Classes 0:00 Title 0:08 Calculate the floor area 0:19 Define floorArea() in Dwelling class 0:45 Implement floorArea() for SquareCabin 1:55 Implement floorArea() for RoundHut 2:49 Implement floorArea() for RoundTower 4:05 Allow new guests to get a room ... https://www.youtube.com/watch?v=Ymr1CTbNnIA