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;
正确答案:F
答案解析:有
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