问题:
现有:
interface Animal {
void eat () ;
}
//insert code here
public class HouseCat extends Feline {
public void eat() { }
}
和五个申明
abstract class Feline implements Animal { }
abstract class Feline implements Animal { void eat () ; }
abstract class Feline implements Animal { public void eat();}
abstract class Feline implements Animal { public void eat() {} }
abstract class Feline implements Animal { abstract public void eat();}
结果为:()
A . 1
B . 2
C . 3
D . 4
现有:
interface Animal {
void eat () ;
}
//insert code here
public class HouseCat extends Feline {
public void eat() { }
}
和五个申明
abstract class Feline implements Animal { }
abstract class Feline implements Animal { void eat () ; }
abstract class Feline implements Animal { public void eat();}
abstract class Feline implements Animal { public void eat() {} }
abstract class Feline implements Animal { abstract public void eat();}
结果为:()
● 参考解析
本题暂无解析
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