JAVA – Method Overloading – Adder

The main method class Hello.java is given below.

import java.util.Scanner;
public class Hello {
    public static void main(String[] args) {
        Scanner scan = new Scanner(System.in);
        int a = scan.nextInt();
        int b = scan.nextInt();
        int c = scan.nextInt();
        Adder twoAdder = new Adder(a, b);
        System.out.println(twoAdder.getSum());
        Adder threeAdder = new Adder(a, b, c);
        System.out.println(threeAdder.getSum());
    }
}

Please write the code for the class Adder.java so that the program prints the output as mentioned below.
Example Input/Output:
Input:
10 20 30

Output:
30
60

lass Adder
{
  int ans;
  int a,b,c;
  Adder(int a,int b)
  {
    this.a=a;
    this.b=b;
    ans=a+b;
  }
  Adder(int a,int b,int c)
  {
    this.a=a;
    this.b=b;
    this.c=c;
    ans=a+b+c;
  }
  public int getSum()
  {
    return ans;
  }
}