多选题Which the two demonstrate an “is a” relationship？（）Apublic interface Person {} Public class Employee extends Person {}Bpublic interface Shape {} public interface Rectangle extends Shape {}Cpublic interface Color {} public class Shape { private Color color； }Dpublic class Species {} public class Animal { private Species species； }Einterface Component {} Class Container implements Component {private Component [] children；
多选题
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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