单选题public class Test {  public enum Dogs {collie, harrier, shepherd};  public static void main(String [] args) {  Dogs myDog = Dogs.shepherd;  switch (myDog) {  case collie:  System.out.print(”collie “);  case default:  System.out.print(”retriever “); case harrier:  System.out.print(”harrier “);  }  }  }  What is the result?()A harrierB shepherdC retrieverD Compilation fails.E retriever harrierF An exception is thrown at runtime.

单选题
public class Test {  public enum Dogs {collie, harrier, shepherd};  public static void main(String [] args) {  Dogs myDog = Dogs.shepherd;  switch (myDog) {  case collie:  System.out.print(”collie “);  case default:  System.out.print(”retriever “); case harrier:  System.out.print(”harrier “);  }  }  }  What is the result?()
A

 harrier

B

 shepherd

C

 retriever

D

 Compilation fails.

E

 retriever harrier

F

 An exception is thrown at runtime.


参考解析

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