Question

JAVA

Answer 1

Answer:

Explanation:

The following Java code creates the repeatElements method as requested and uses the test case shown in the question to test the method. The output can be seen in the attached picture below.

import java.util.ArrayList;

class Brainly {

   public static void main(String[] args) {

       ArrayList list = new ArrayList();

       list.add("Hello");

       list.add("World");

       System.out.println(repeatElements(list, 3));

   }

   public static ArrayList repeatElements(ArrayList list, int numRepeats) {

       ArrayList newList = new ArrayList();

       for (Object x:list) {

           for (int i = 0; i < numRepeats; i++) {

               newList.add(x);

           }

       }  

       return newList;

   }

}