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Which the two demonstrate an “is a” relationship?()

  • A、 public interface Person {}  Public class Employee extends Person {}
  • B、 public interface Shape {}  public interface Rectangle extends Shape {}
  • C、 public interface Color {}  public class Shape { private Color color; }
  • D、 public class Species {}  public class Animal { private Species species; }
  • E、 interface Component {} Class Container implements Component {private Component [] children;

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更多 “Which the two demonstrate an “is a” relationship?()A、 public interface Person {}  Public class Employee extends Person {}B、 public interface Shape {}  public interface Rectangle extends Shape {}C、 public interface Color {}  public class Shape { private Color color; }D、 public class Species {}  public class Animal { private Species species; }E、 interface Component {} Class Container implements Component {private Component [] children;” 相关考题
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