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Solved 2015 ICSE Computer Science Paper

Class 10 - ICSE Computer Science Solved Papers

Class & Object - Parking Lot Program - ICSE 2015 Computer Science

Define a class called ParkingLot with the following description:
Instance variables/data members:
int vno: to store the vehicle number.
int hours: to store the number of hours the vehicle is parked in the parking lot.
double bill: to store the bill amount.
Methods:
void input(): to input and store the vehicle number and hours.
void calculate(): to compute the parking charge at the rate of Rs. 3 for the first hour or part thereof, and Rs. 1.50 for each additional hour or part thereof.
void display(): to display the detail.
Write a main() method to create an object of the class and call the above methods.

Java 

import java.util.Scanner;
class ParkingLot{
    int vno;
    int hours;
    double bill;
    void input(){
        Scanner in = new Scanner(System.in);
        System.out.print("Vehicle number: ");
        vno = Integer.parseInt(in.nextLine());
        System.out.print("Number of hours: ");
        hours = Integer.parseInt(in.nextLine());
    }
    public void calculate(){
        if(hours == 1)
            bill = 3.0;
        else
            bill = 3.0 + (hours - 1) * 1.50;
    }
    public void display(){
        System.out.println("Vehicle No. " + vno);
        System.out.println("Number of hours: " + hours);
        System.out.println("Total bill: Rs. " + bill);
    }
    public static void main(String args[]){
        ParkingLot obj = new ParkingLot();
        obj.input();
        obj.calculate();
        obj.display();
    }
}

Output

 
 OUTPUT 1: 
Vehicle number: 1234
Number of hours: 50
Vehicle No. 1234
Number of hours: 50
Total bill: Rs. 76.5
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