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单项选择题 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”?()

A、import utils.*;

B、static import utils.*;

C、importutils.Repetition.*;

D、static importutils.Repetition.*;

E、import utils.Repetition.twice();

F、import static utils.Repetition.twice;

G、static import utils.Repetition.twice;

  • F
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