what will be the output of the following java code?

Problem statement:

What will be the output of the following java code?

1. public class ConstructorCall {
2.     int num = 200;
3.     public void run(int num) {
4.         this.num = num;
5.     }
6.     public void printE() {
7.         System.out.println(2 * num);
8.     }
9.     public static void main(String[] args) {
10.         ConstructorCall obj = new ConstructorCall();
11.         obj.run(10);
12.         obj.printE();
13.     }
14. }

Output: 20