public class Main {
  static int add(int a, int b) {
    return a + b;
  }

  static double add(double a, double b) {
    return a + b;
  }

  public static void main(String[] args) {
    System.out.println(add(5, 3));       // uses the int version
    System.out.println(add(5.5, 3.2));   // uses the double version
  }
}

// Output:
// 8
// 8.7