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Solved 2021 ICSE Computer Science Paper

Class 10 - ICSE Computer Science Solved Papers

Class & Object Based Program - Hotel Bill Calculation - ICSE 2021 Computer Science

Question 4
Design a class Hotel with the following description:

Member variables:
String name – to store the name of the customer
long mno – to store the mobile number of the customer
double bill – to store the bill amount
double gst – to store the GST amount
double st – to store the service tax
double tamt – to store the total amount to be paid by the customer

Member methods:
void accept() – to accept customer’s name, mobile number and bill amount.
void calculate() – to calculate GST, service tax and total amount to be paid by the customer.
gst = 18% on bill
st = 12.5% on bill
tamt = bill + gst + st

void display() – to display the customer’s name, mobile number, GST, service tax and total amount.
Write a main() method to create an object and invoke the above member methods.

Java 

import java.util.Scanner;
class Hotel{
    String name;
    long mno;
    double bill;
    double gst;
    double st;
    double tamt;
    public void accept(){
        Scanner in = new Scanner(System.in);
        System.out.print("Customer name: ");
        name = in.nextLine();
        System.out.print("Mobile number: ");
        mno = Long.parseLong(in.nextLine());
        System.out.print("Bill: ");
        bill = Double.parseDouble(in.nextLine());
    }
    public void calculate(){
        gst = 18.0 / 100 * bill;
        st = 12.5 / 100 * bill;
        tamt = bill + gst + st;
    }
    public void display(){
        System.out.println("Customer's name: " + name);
        System.out.println("Mobile number: " + mno);
        System.out.println("GST: " + gst);
        System.out.println("Service tax: " + st);
        System.out.println("Total amount: " + tamt);
    }
    public static void main(String[] args){
        Hotel obj = new Hotel();
        obj.accept();
        obj.calculate();
        obj.display();
    }
}

Output

 
 OUTPUT 1: 
Customer name: Anand Rao
Mobile number: 1234567890
Bill: 350
Customer's name: Anand Rao
Mobile number: 1234567890
GST: 63.0
Service tax: 43.75
Total amount: 456.75


 OUTPUT 2: 
Customer name: Ajay Sharma
Mobile number: 1234567890
Bill: 250
Customer's name: Ajay Sharma
Mobile number: 1234567890
GST: 45.0
Service tax: 31.25
Total amount: 326.25
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