public class Demo4_15{
static int add(int a, int b){
returna+b;
}
static int add(int a,int b,int c){
return a+b+c;
}
public static void main(String[] args){
System.out.println(add(3,4));
System.out.println(add(3,4,5));
System.out.println(add(5,6,7));
}}
