Which two demonstrate&#819

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

A public interface Person { } public class Employee extends Person { }
B public interface Shape { } public class Employee extends Shape { }
C public interface Color { } public class Employee extends Color { }
D public class Species { } public class Animal （private Species species；）
E interface Component { } Class Container implements Component （ Private Component[ ] children；）

参考答案

参考解析：

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