関連ワード:  can we implement abstract class in java    can we implement multiple abstract class in java    can we use constructor in abstract class in java    why do we use abstract class in java    can we use static method in abstract class in java    why we use abstract class in java    why we use abstract class in java instead of interface    why we use abstract class in java with example    can abstract class have method implementation  
結果 : can we implement abstract class in java