108 覆載方法

class JPA108 {

  public static int add(int i,int j){
  System.out.println("Adding two integers : "+i+","+j);
  return i+j;
  }
 
  public static double add(double i,double j){
  System.out.println("Adding two doubles : "+i+","+j);
  return i+j;
  }
 
  public static String add(String i,String j){
  System.out.println("Adding two strings : "+i+","+j);
  return i+j;
  }

  public static void main (String[] args) {
    int i = add(2, 3);
    double d = add(5.2, 4.3);
    String s = add("I love ", "Java!!");
    System.out.printf("%d %f %s %n", i, d, s);
  }
 
}