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Thread: Which option suits best along with reason JAVA CODE MCQ

  1. #1
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    Default Which option suits best along with reason JAVA CODE MCQ

     
     
     
    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;


  2. #2
    Senior Member PhHein's Avatar
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    Default Re: Which option suits best along with reason JAVA CODE MCQ

    What happened when you've tried it?

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    Default Re: Which option suits best along with reason JAVA CODE MCQ

    C:\Users\Mayank\Documents\revision\Demos.java:7: package utils does not exist
    import static utils.Repitition.twice;
    ^
    C:\Users\Mayank\Documents\revision\Demos.java:7: static import only from classes and interfaces
    import static utils.Repitition.twice;
    ^
    C:\Users\Mayank\Documents\revision\Demos.java:15: cannot find symbol
    symbol : method twice(java.lang.String)
    location: class Demos
    System.out.println(twice("pizza"));
    ^
    3 errors

    I am getting these errors

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    Senior Member PhHein's Avatar
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    Default Re: Which option suits best along with reason JAVA CODE MCQ

    Quote Originally Posted by mayankpant View Post
    package utils does not exist
    That's bad.

  5. #5
    Super Moderator jps's Avatar
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    Default Re: Which option suits best along with reason JAVA CODE MCQ

    If you have a question about your assignment you should ask it.

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