- 搜标题
- 搜题干
- 搜选项
单项选择题
现有: 1. interface Animal { 2. void eat () ; 3. } 4. 5. //insert code here 6. 7. public class HouseCat extends Feline { 8. public void eat() { } 9. } 和五个申明 abstract class Feline implements Animal { } abs
现有: 1. interface Animal { 2. void eat () ; 3. } 4. 5. //insert code here 6. 7. public class HouseCat extends Feline { 8. public void eat() { } 9. } 和五个申明 abstract class Feline implements Animal { } abs
A、1
B、2
C、3
D、4
