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Solved 2020 ICSE Computer Science Paper

Class 10 - ICSE Computer Science Solved Papers

Class & Object Based Program - Cab Service - ICSE 2020 Computer Science

Question 4
A private cab service company provides service within the city at the following rates:

 

AC CAR

NON AC CAR

UPTO 5 KM

₹150/-

₹120/-

BEYOND 5 KM

₹10/- PER KM

₹08/- PER KM

Design a class CabService with the following description:

Member variables/data members:
String carType – to store the type of car (AC or NON AC)
double km – to store the kilometer travelled
double bill – to calculate and store the bill amount

Member methods:
CabService() – default constructor to initialize data members. String data members to “” and double data members to 0.0.
void accept() – to accept carType and km (using Scanner class only).
void calculate() – to calculate the bill as per the rules given above.
void display() – to display the bill as per the following format

CAR TYPE:
KILOMETER TRAVELLED:
TOTAL BILL:

Create an object of the class in the main() method and invoke the member methods.

 

Java 

import java.util.Scanner;
class CabService{
    String carType;
    double km;
    double bill;
    public CabService(){
        carType = "";
        km = 0.0;
        bill = 0.0;
    }
    public void accept(){
        Scanner in = new Scanner(System.in);
        System.out.print("Car type: ");
        carType = in.nextLine().toUpperCase();
        System.out.print("Distance travelled: ");
        km = Double.parseDouble(in.nextLine());
    }
    public void calculate(){
        if(km <= 5){
            if(carType.startsWith("AC")){
                carType = "AC CAR";
                bill = 150.0;
            }
            else if(carType.startsWith("NON")){
                carType = "NON AC CAR";
                bill = 120.0;
            }
        }
        else{
            if(carType.startsWith("AC")){
                carType = "AC CAR";
                bill = 150.0 + (km - 5) * 10;
            }
            else if(carType.startsWith("NON")){
                bill = 120.0 + (km - 5) * 8;
                carType = "NON AC CAR";
            }
        }
    }
    public void display(){
        System.out.println("CAR TYPE: " + carType);
        System.out.println("KILOMETER TRAVELLED: " + km);
        System.out.println("TOTAL BILL: " + bill);
    }
    public static void main(String[] args) {
        CabService obj = new CabService();
        obj.accept();
        obj.calculate();
        obj.display();
    }
}

Output

 
 OUTPUT 1: 
Car type: AC
Distance travelled: 20
CAR TYPE: AC CAR
KILOMETER TRAVELLED: 20.0
TOTAL BILL: 300.0

 OUTPUT 2: 
Car type: NON AC
Distance travelled: 4
CAR TYPE: NON AC CAR
KILOMETER TRAVELLED: 4.0
TOTAL BILL: 120.0
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