package w4;


public class TestCar {
    public static void main(String[] args) {
        Car car1 = new Car("京A12345", "丰田", "凯美瑞", 450.0);
        Car car2 = new Car("沪B67890", "大众", "帕萨特");
        Car car3 = new Car("粤C54321", "宝马", "3系", 680.0);

        System.out.println("=====初始车辆信息=====");
        car1.displayInfo();
        car2.displayInfo();
        car3.displayInfo();


        System.out.println("=====测试租车还车=====");
        car1.rentCar();    
        car1.rentCar();    
        car1.returnCar();  
        car1.returnCar();  
        System.out.println();


        System.out.println("=====计算5天租金=====");
        double rent = car2.calculateRent(5);
        System.out.println("车辆2租用5天总费用：" + rent + "元\n");


        System.out.println("=====测试非法修改租金=====");
        car3.setDailyRent(-100);
        System.out.println();

        System.out.println("=====车辆总数统计=====");
        System.out.println("系统中总车辆数：" + Car.getTotalCars());
    }
}