试题详情
单项选择题 Given a class Repetition:  1. package utils;  2.  3. public class Repetition {  4. public static String twice(String s) { return s + s; }  5. }  and given another class Demo:  1. // insert code here 2.  3. public class Demo {  4. public static void main(String[] args) {  5. System.out.println(twice(”pizza”));  6. }  7. }  Which code should be inserted at line 1 of Demo.java to compile and run Demo to print“pizzapizza”?() 

A、 import utils.*;

B、 static import utils.*;

C、 import utils.Repetition.*;

D、 static import utils.Repetition. *;

E、 import utils.Repetition.twice();

F、 import static utils.Repetition.twice;

G、 static import utils.Repetition.twice;

  • F
  • 关注下方微信公众号,在线模考后查看

热门试题