Java Program for Package and Interface

Java Program for Package and Interface

package P1;

public interface Shop
{
public void getdata();
public void display();
public int total();

}

package P2;

import P1.Shop;

import java.util.*;

public class Customer implements Shop {

    int banana, apple, grapes, papaya, mango;

    Scanner s = new Scanner(System.in);

    public void display() {

        System.out.println("\n Final Order of Customer:");

        System.out.println("\n\tItem    Quantity   Amount");

        System.out.println("\n\tBananas :" + banana + " kg" + "    Rs " + (banana * 50));

        System.out.println("\tApple   :" + apple + " kg" + "    Rs " + (apple * 200));

        System.out.println("\tGrapes  :" + grapes + " kg" + "    Rs " + (grapes * 100));

      

    }

    public void getdata() {

        System.out.println("\n\n Details for Customer:");

        System.out.println("\n\t Enter the number of bananas(in kg): ");

        banana = s.nextInt();

        System.out.println("\n\t Enter the number of apple(in kg): ");

        apple = s.nextInt();

        System.out.println("\n\t Enter the number of grapes(in kg): ");

        grapes = s.nextInt();

        

    }

    public int total() {

        int total;

        //System.out.println("\nThe total bill of the customer 2:");

        total = (banana * 50) + (apple * 200) + (grapes * 100) + (papaya * 60) + (mango * 120);

        System.out.println("\n Total bill of customer:Rs " + total);

        return total;

    }

    public static void main(String[] args) {

        // TODO Auto-generated method stub

        Customer obj1 = new Customer();

        Customer obj2 = new Customer();

        int price1, price2;

        obj1.getdata();

        obj1.display();

        price1 = obj1.total();

        obj2.getdata();

        obj2.display();

        price2 = obj2.total();

        if (price1 > price2) {

            System.out.println("\n\n\t Congragulation!!!!! Customer 1 own a gift hamper.");

            System.out.println("\n\t The bill of customer 1 is more. Bill amount:Rs " + price1);

        } else if (price1 < price2) {

            System.out.println("\n\n\t Congragulation!!!!! Customer 2 own a gift hamper.");

            System.out.println("\n\t The bill of customer 2 is more. Bill amount:Rs " + price2);

        } else {

            System.out.println("\n\t Both bills are equal:Rs " + price1);

        }

        System.out.println("\n\n\t\t\t Thank You!!!!!!!");

    }

}

Output

 Details for Customer:

Enter the number of bananas(in kg): 

1

Enter the number of apple(in kg): 

1

Enter the number of grapes(in kg): 

1

 Final Order of Customer:

Item    Quantity   Amount

Bananas :1 kg    Rs 50

Apple   :1 kg    Rs 200

Grapes  :1 kg    Rs 100

 Total bill of customer:Rs 350

 Details for Customer:

Enter the number of bananas(in kg): 

2

Enter the number of apple(in kg): 

1

Enter the number of grapes(in kg): 

1

 Final Order of Customer:

Item    Quantity   Amount

Bananas :2 kg    Rs 100

Apple   :1 kg    Rs 200

Grapes  :1 kg    Rs 100

 Total bill of customer:Rs 400

Congragulation!!!!! Customer 2 own a gift hamper.

The bill of customer 2 is more. Bill amount:Rs 400

Thank You!!!!!!!