java/W3/Car.java

package com.rental;
public class Car {
    private String licensePlate;
    private String brand;
    private String model;
    private double dailyRent;
    private boolean isRented;
    private static int totalCars = 0;
    public Car(String licensePlate, String brand, String model, double dailyRent) {
        this.licensePlate = licensePlate;
        this.brand = brand;
        this.model = model;
        this.dailyRent = dailyRent;
        this.isRented = false;
        totalCars++;
    }
    public Car(String licensePlate, String brand, String model) {
        this(licensePlate, brand, model, 300.0);
    }
    public String getLicensePlate() {
        return licensePlate;
    }
    public String getBrand() {
        return brand;
    }
    public void setBrand(String brand) {
        this.brand = brand;
    }
    public String getModel() {
        return model;
    }
    public void setModel(String model) {
        this.model = model;
    }
    public double getDailyRent() {
        return dailyRent;
    }
    public void setDailyRent(double dailyRent) {
        if (dailyRent > 0) {
            this.dailyRent = dailyRent;
        } else {
            System.out.println("Daily rent must be greater than 0, modification failed");
        }
    }
    public boolean isRented() {
        return isRented;
    }
    public void rentCar() {
        if (isRented) {
            System.out.println("The car is already rented and cannot be rented again");
        } else {
            isRented = true;
            System.out.println("Car rented successfully");
        }
    }
    public void returnCar() {
        if (!isRented) {
            System.out.println("The car is not rented, no need to return");
        } else {
            isRented = false;
            System.out.println("Car returned successfully");
        }
    }
    public double calculateRent(int days) {
        return dailyRent * days;
    }
    public static int getTotalCars() {
        return totalCars;
    }
    public void displayInfo() {
        System.out.println("License Plate: " + licensePlate
                + ", Brand: " + brand
                + ", Model: " + model
                + ", Daily Rent: " + dailyRent
                + ", Status: " + (isRented ? "Rented" : "Available"));
    }
}