Save the above file as Rental.java. (5 Marks)
b. Create a RentalDemo class to instantiate two Rental objects.
Save the above file as RentalDemo.java. (5 Marks)
PROGRAM:
Rental.java :
package HomeworkLib.answers; public class Rental { // Two public final static fields public final static int num_min = 60; public final static int hourly_rent_rate = 40; // Four private fields private String contract_number; private int num_of_hours_for_rental, num_of_minutes_over_an_hour, price; // default constructor Rental(){ this("A000", 0); } // parameterized constructor Rental(String contract, int minutes){ setContractNumber(contract); setHoursAndMinutes(minutes); } // setter method for Contract Number public void setContractNumber(String contract){ contract_number = contract; } // setter method for Hours and Minutes public void setHoursAndMinutes(int minutes){ num_of_hours_for_rental = minutes / 60; num_of_minutes_over_an_hour = minutes - (num_of_hours_for_rental * 60); price = (num_of_hours_for_rental * hourly_rent_rate) + num_of_minutes_over_an_hour; } // getter method to get Contract Number public String getContractNumber(){ return contract_number; } // getter method to get Number of Hours for Rental public int getHoursRental(){ return num_of_hours_for_rental; } // getter method to get Number of Minutes for Rental public int getMinutesRental(){ return num_of_minutes_over_an_hour; } // getter method to get the price public int getPrice() { return price; } }
RentalDemo.java :
package HomeworkLib.answers; // importing Scanner import java.util.Scanner; public class RentalDemo { // creating scanner object Scanner sc = new Scanner(System.in); public static void main(String args[]){ // creating RentalDemo Class object RentalDemo rd = new RentalDemo(); // creating 1st object for Rental Class Rental obj1 = new Rental(); // calling methods using 1st object and storing the returned values String obj1_contract = obj1.getContractNumber(); int obj1_hours = obj1.getHoursRental(); int obj1_minutes = obj1.getMinutesRental(); int obj1_price = obj1.getPrice(); // calling this class display method rd.displayDetails(obj1_contract, obj1_hours, obj1_minutes, obj1_price); // getting contract and minutes String contract = rd.setContract(); int minutes = rd.setMinutes(); // creating 2nd object for Rental Class Rental obj2 = new Rental(contract,minutes); // calling methods using 2nd object and storing the returned values String obj2_contract = obj2.getContractNumber(); int obj2_hours = obj2.getHoursRental(); int obj2_minutes = obj2.getMinutesRental(); int obj2_price = obj2.getPrice(); // calling this class display method rd.displayDetails(obj2_contract, obj2_hours, obj2_minutes, obj2_price); } // method to get contract number from user public String setContract(){ System.out.println("Enter contract number: "); return sc.nextLine(); } // method to get number of minutes from user public int setMinutes(){ System.out.println("Enter the minutes: "); return sc.nextInt(); } // method to display values public void displayDetails(String contract, int hours, int minutes, int price){ System.out.println("Contract Number: " + contract); System.out.println("Number of hours: " + hours); System.out.println("Number of minutes: " + minutes); System.out.println("Total price: " + price); System.out.println(); } }
OUTPUT:
Contract Number: A000
Number of hours: 0
Number of minutes: 0
Total price: 0
Enter contract number:
K681
Enter the minutes:
157
Contract Number: K681
Number of hours: 2
Number of minutes: 37
Total price: 117
SCREENSHOTS:
Rental.java :
RentalDemo.java :
Output :
Remove the line "package HomeworkLib.answers;" before executing it yourself.
Hope this helps!
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