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Java Tutorial : What is a Class?

Car.java

/**
 * Car class is the blueprint from which individual car 
 * objects are created.
 */
public class Car
{
    private String brand = null;
    private String model = null;
    private String color = null;

    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 String getColor()
    {
        return color;
    }

    public void setColor(String color)
    {
        this.color = color;
    }

}

public class CarDemo
{
    public static void main(String[] args)
    {

        /*
         * Create maruthiAltok10 car object and 
         * set the properties
         */
        Car maruthiAltok10 = new Car();

        maruthiAltok10.setBrand("Maruthi Alto");
        maruthiAltok10.setModel("k10");
        maruthiAltok10.setColor("Orange");

        displayCarInformation(maruthiAltok10);

        /*
         * Create swift car object and 
         * set the properties
         */
        Car swift = new Car();

        swift.setBrand("Swift");
        swift.setModel("ZDI");
        swift.setColor("Red");
        
        displayCarInformation(swift);

        /*
         * Create maruthiAlto800 car object and 
         * set the properties
         */
        Car maruthiAlto800 = new Car();

        maruthiAlto800.setBrand("Maruthi Alto");
        maruthiAlto800.setModel("800");
        maruthiAlto800.setColor("Blue");
        
        displayCarInformation(maruthiAlto800);

    }

    private static void displayCarInformation(Car car)
    {
        System.out.println("Car Brand : " + car.getBrand());
        System.out.println("Car Model : " + car.getModel());
        System.out.println("Car Color : " + car.getColor());
        System.out.println("--------------------------------");
    }

}