Can you trace this java problem and explain steps, thank you

14. public class Main { public static void main(String args[]) { Test t1 = new Test (; Test t2 = new Test (5); Test t3 = new Test ( 5 , 7); (a) 10 (b) 17 (c) 12 (d) None of the above t1 = t2 ; t2 = t3; System.out.println (t1.getX() + t2.getY() + t3.getX(); class Test { private int x, y; public Test () { x = 1; y = 2; public Test (int x, int y) { this.y = y; this.x = x; public Test (int a) { y = a; // this.x = t; public int getX() { return x; public int getY() { return y