PolyMorphism : Method Overloading

public class MethodOverloading {

    public void speed()
    {
        System.out.println("Current speed : 50");    }
    public void speed(int pulser)
    {
        System.out.println("Current speed : "+pulser);    }
    public void speed(String hayabusha)
    {
        System.out.println("Current speed : "+hayabusha);    }
    public static void main(String[] args)
    {
        MethodOverloading mo1 = new MethodOverloading();        mo1.speed();        mo1.speed(160);        mo1.speed("360");
    }
}