单选题public class Pet{}  public class Cat extends Pet{}   执行代码   Cat c = new Cat();   Pet p = (Pet)c;   下列哪项是正确的?APet p = (Pet)c正常执行BPet p = (Pet)c编译错误CPet p = (Pet)c运行错误D以上都不对

单选题
public class Pet{}  public class Cat extends Pet{}   执行代码   Cat c = new Cat();   Pet p = (Pet)c;   下列哪项是正确的?
A

Pet p = (Pet)c正常执行

B

Pet p = (Pet)c编译错误

C

Pet p = (Pet)c运行错误

D

以上都不对


参考解析

解析: 暂无解析

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