- 搜標(biāo)題
- 搜題干
- 搜選項(xiàng)
多項(xiàng)選擇題
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； ）
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