D. Cat cat = (Cat)new Dog();
D、 Cat cat = (Cat)new Dog();
发布时间：2025-03-11 20:05:48
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答案：Animal animal = new Cat();;Animal a = new Cat(); Cat cat = (Cat) a;;Animal animal = new Dog();
相关试题
- 1.D. Cat cat = (Cat)new Dog();
- 2.在前面几题的基础上，有子类Dog和Cat继承了父类Animal，如下空格的输出是以下哪个选项？
- 3.My cat and dog are in harmony with each other.
- 4.I have a cat, and I have a dog ________.
- 5.A.Up the cat jumped B.Up jumped the cat C.The cat up jumped D.Jumped up the cat
- 6.Arrange the following sentences to form a coherent paragraph:A、The cat was chasing the mouse.B、The mouse
- 7.What color is the cat?A、It is a black cat.B、It is black cat.C、The cat is black.D、Black cat it is.
- 8.Is it a cat?
- 9.The frog found a ____, the cat found a ____, the bird found a ____ and the dog found a _____.
- 10.pet the cat
