What will be the output of the following Java code?

What will be the output of the following Java code?

class Example {
  int val = 7;
  void display(int val) {
    System.out.println(val);
    System.out.println(this.val);
  }
}
public class Main {
  public static void main(String[] args) {
    Example e = new Example();
    e.display(15);
  }
}