Using Java Programming Code

Write a method in MyLinkedList to find the sum of the even value in its nodes. public ...................sumEven(){ ......) What the output of the following code? Node list = new Node(15); Node ptr = new Node(10); ptr.link=null; list.link = ptr; ptr = new Node(20); ptr.setData(17); ptr.link = list; list = ptri ptr = ptr = new Node(30); ptr.link = list.link; list.link = ptr: list; while (ptr != null) { System.out.print(ptr.getData() + " "); ptr = ptr.link; } 30 17 15 10 17 15 30 10 17 30 15 10 10 15 30 17