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I am getting stack overflow error in move. Also some conditions is wrong.Can someone help me with algorithm here?

I want to print it

Elie
-------2
-----------4
-------3
-----------1
-----------------2
krikor
--------elie

package project2;

import java.util.ArrayList;
import java.util.LinkedList;
import java.util.List;

public class Exercise {
String krikor = "lolig";

public Exercise() {