File list (Check if you may need any files):
car sales system\AboutDialog.java
................\AddCarPanel.java
................\Car.java
................\CarDetailsComponents.java
................\cars.dat
................\CarSalesSystem.java
................\CarsCollection.java
................\CarUpdateEvent.java
................\Manufacturer.java
................\SearchByAgePanel.java
................\SearchByOtherPanel.java
................\ShowAllCarsPanel.java
................\vu.png
................\WelcomePanel.java