関連ワード:  why use interface instead of abstract class    why we use interface instead of abstract class in java    why we use interface instead of abstract class in c#    why interface instead of abstract class    why use interface over abstract class    why use interface vs abstract class    why use interface and abstract class in java    why use interface over abstract class java    when would you use an abstract class instead of an interface  
結果 : why use interface instead of abstract class