Question

Need Help Filling in Areas: /** Based on a Big Java problem You have to write a static method that removes every other element from a linked list.

Expected output: [Sunday, Monday, Tuesday, Wednesday, Thursday, Friday, Saturday]

[Monday, Wednesday, Friday]

[Wednesday]

[] */ public class DownSizeTester

{

public static void main(String[] args)

{

LinkedList list = new LinkedList() ;

list.add("Sunday") ;

list.add("Monday") ;

list.add("Tuesday") ;

list.add("Wednesday") ;

list.add("Thursday") ;

list.add("Friday") ;

list.add("Saturday") ;

System.out.println(list) ;

downsize(list) ;

System.out.println(list) ;

downsize(list) ;

System.out.println(list) ;

downsize(list) ;

System.out.println(list) ;

}

/** Removes the first, third, fifth, ... elements from a list. @param list a linked list of String elements */

public static void downsize(LinkedList list) {

//-----------Start below here. To do: approximate lines of code = 6 // 1-6. Remove the first, third, fifth, ... elements from list //-----------------End here. Please do not remove this comment. Reminder: no changes outside the todo regions. } }

Answer 1

PLEASE GIVE IT A THUMBS UP

import java.util.LinkedList;
import java.util.Vector;
import java.lang.*;
class DownSizeTester

{

   public static void main(String[] args)

   {

       LinkedList list = new LinkedList();

       list.add("Sunday");

       list.add("Monday");

       list.add("Tuesday");

       list.add("Wednesday");

       list.add("Thursday");

       list.add("Friday");

       list.add("Saturday");

       System.out.println(list);

       downsize(list);

       System.out.println(list);

       downsize(list);

       System.out.println(list);

       downsize(list);

       System.out.println(list);

   }

   /** Removes the first, third, fifth, ... elements from a list. @param list a linked list of String elements */

   public static void downsize(LinkedList list) {

           //-----------Start below here. To do: approximate lines of code = 6
           // 1-6. Remove the first, third, fifth, ... elements from list
           //-----------------End here. Please do not remove this comment. Reminder: no changes outside the todo regions.
           Vector v = new Vector();
           for(int i=0;i<list.size();i++){
               if(i%2==0)
                   v.add(i);
           }
           for(int i=0;i<v.size();i++)
               list.remove(i);
   }
}