関連ワード:  purpose of default method in interface    purpose of default method in interface java 8    use of default method in interface    use of default method in interface java 8    purpose of default and static methods in interface    use of default method in functional interface    use of default method in interface in java    use case of default method in interface    use of static and default method in interface    why default method in interface  
結果 : purpose of default method in interface