Discount

import java.util.*;
public class Discount
{
    double cost=0.0;
    public void getDiscount(double a)
    {
        double amt=0.0;
        amt=cost-((a/100)*cost);
        System.out.println("Amount to be paid after single discount: "+amt);
    }
    public void getDiscount(double a,double b)
    {
        double amt=0.0;
        amt=cost-((a/100)*cost)-((b/100)*cost);
        System.out.println("Amount to be paid after double discount: "+amt);
    }
    public void getDiscount(double a,double b,double c)
    {
        double amt=0.0;
        amt=cost-((a/100)*cost)-((b/100)*cost)-((c/100)*cost);
        System.out.println("Amount to be paid after triple discount: "+amt);
    }
    public static void main(String args[])
    {
        double a=0,b=0,c=0;
        Scanner sc=new Scanner(System.in);
        Discount ob=new Discount();
        System.out.print("Cost of item: ");
        ob.cost=sc.nextInt();
        System.out.print("First discount percentage: ");
        a=sc.nextDouble();
        System.out.print("Second discount percentage: ");
        b=sc.nextDouble();
        System.out.print("Third discount percentage: ");
        c=sc.nextDouble();
        ob.getDiscount(a);
        ob.getDiscount(a,b);
        ob.getDiscount(a,b,c);
    }
}