* Removes all 0 elements from an ArrayList
*/
import java.util.ArrayList;

public class RemoveZeroes
{
public static void main(String[] args)
{
   ArrayList a = new ArrayList();
 
   // Add some integers to the array list
   a.add(14); a.add(0); a.add(19); a.add(3);
   a.add(15); a.add(0); a.add(18); a.add(0);
   a.add(44); a.add(0); a.add(51); a.add(78);
   // You can also create an Integer wrapper explicitly and add it to the array list
   a.add(new Integer(83));
   
   // Print the array list - Note the use of the size() method and the get() method
   System.out.println("Before removing the 0 elements:");
   for (int i = 0; i < a.size(); i++)
   {
      System.out.print(a.get(i) +  " ");
   }
   System.out.println();
 

   // Remove the 0 elements
   ArrayList aNoZeros = removeZeros(a);

   // Print ArrayList a again to see new elements.
   System.out.println("After removing the 0 elements:");
   for (int i = 0; i < aNoZeros.size(); i++)
   {
      System.out.print(aNoZeros.get(i) +  " ");
   }
   System.out.println();
   System.out.println("Expected:14 19 3 15 18 44 51 78 83");
}


public static ArrayList removeZeros(ArrayList p)
{
// The best way: Create a new empty integer array list and
   // only copy the non-zero numbers of parameter array list p into it.
 // Use a for loop
 //-----------Start below here. To do: approximate lines of code = 5
 //
 
 
 
 
 
 
 
 
 
   // Return the reference to the newly created array list
 
 //-----------------End here. Reminder: no changes outside the todo regions.
}
}

P.S: Please include screenshots too for formatting.

Answer rating: 100% (QA)

Removes all 0 elements from an ArrayList import javautilArrayList public class RemoveZeroes public s... View the full answer