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

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

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

}

///

public class MyMathTest{
    public static void main(String[] args){
        System.out.println(MyMath.add(1,2));
        System.out.println(MyMath.add(1234L,1432L));
        System.out.println(MyMath.add(1.27,24.8));
        System.out.println(MyMath.add(1.23F,1.45F));

    }
}