Which three demonstrate an “is a” relationship?() 

A .  public class X { }  public class Y extends X { } B .  public interface Shape { }  public interface Rectangle extends Shape{ } C .  public interface Color { }  public class Shape { private Color color; } D .  public interface Species { }  public class Animal { private Species species; } E .  public class Person { }  public class Employee {  public Employee(Person person) { } F .  interface Component { }  class Container implements Component {  private Component[] children; }

时间:2022-10-25 13:10:08 所属题库:SCJP程序员认证考试题库

相似题目