108覆載方法

/******
檔名：JPA01.java
題目：TQC+ JAVA6物件導向程式設計 參考答案
時間：2015/06
作者：fang shi mai
******/
public class JPA01
{
    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);
    }
    public static int add(int a,int b)
    {
        System.out.println("Adding two integers:"+a+","+b);
        return a+b;
    }
    public static double add(double a,double b)
    {
        System.out.println("Adding two doubles:"+a+","+b);
        return a+b;
    }
    public static String add(String a,String b)
    {
        System.out.println("Adding two strings:"+a+","+b);
        return a+b;
    }
}