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