What would be the output of the following code? KWLinkedList list = new KWLinkedList (); for(int i = 1; i iter = list.listIterator(); while(iter.hasNext()) { int x = iter.next(); int y = iter.next();...

What would be the output of the following code?

KWLinkedList list = new KWLinkedList ();

for(int i = 1; i <= 4;="">

     list.add( i );

ListIterator iter = list.listIterator();

while(iter.hasNext())

{

     int x = iter.next();

     int y = iter.next();

     iter.set(x + y);

}

while(iter.hasPrevious())

     System.out.print(iter.previous() + " ");