関連ワード:  class and abstract class difference in java    class and abstract class in java    abstract class and interface class difference in java    interface and abstract class difference in java 8    difference between normal class and abstract class in java    difference between base class and abstract class in java    difference between final class and abstract class in java    difference between concrete class and abstract class in java    concrete class and abstract class in java    final class and abstract class in java  
結果 : class and abstract class difference in java