super and overridden method

 
class Base {
  int i;

  Base(int a) {
    i = a;
  }

  void show() {
    System.out.println("i: " + i);
  }
}

class SubClass extends Base {
  int k;

  SubClass(int a, int c) {
    super(a);
    k = c;
  }

  void show() {
    super.show(); // this calls A's show()
    System.out.println("k: " + k);

  }
}

public class Main {
  public static void main(String[] argv) {
    SubClass sub = new SubClass(1, 2);
    sub.show();
  }
}