单项选择题
A. True
B. Not true
C. An exception is thrown at runtime.
D. Compilation fails because of an error at line 12.
E. Compilation fails because of an error at line 19.
单项选择题 public class Test { public enum Dogs {collie, harrier}; public static void main(String [] args) { Dogs myDog = Dogs.collie; switch (myDog) { case collie: System.out.print(”collie “); case harrier: System.out.print(”harrier “); } } } What is the result?()
单项选择题 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?()
单项选择题 public class Bootchy { int bootch; String snootch; public Bootchy() { this(”snootchy”); System.out.print(”first “); } public Bootchy(String snootch) { this(420, “snootchy”); System.out.print(”second “); } public Bootchy(int bootch, String snootch) { this.bootch = bootch; this.snootch = snootch; System.out.print(”third “); } public static void main(String[] args) { Bootchy b = new Bootchy(); System.out.print(b.snootch +“ “ + b.bootch); } } What is the result?()