[多选题]若Animal 是Cat,Dog的父类，则下列选项中，正确的是（ ）
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2023-11-01 14:54:09|
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[多选题]若Animal 是Cat,Dog的父类，则下列选项中，正确的是（ ）
A.Animal animal = new Dog();
B.Cat cat = (Cat)new Animal();
C.Cat cat = (Cat)new Dog();
D.Animal animal = new Cat();
A.Animal animal = new Dog();
B.Cat cat = (Cat)new Animal();
C.Cat cat = (Cat)new Dog();
D.Animal animal = new Cat();
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