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问题

Given a class Repetition: 1.package u


Given a class Repetition: 1.package utils; 2. 3.public class Repetition{ 4.public static String twice(Strings){returns+s;} 5.} and given another class Demo: 1.//insert code here2. 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”?()

  • Aimport utils.*;
  • Bstatic import utils.*;
  • Cimportutils.Repetition.*;
  • Dstatic importutils.Repetition.*;
  • Eimport utils.Repetition.twice();
  • Fimport static utils.Repetition.twice;
  • Gstatic import utils.Repetition.twice;
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分类:Java认证考试综合练习题库
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