Car.java

import java.awt.*;

/**
 *
 * Car Class
 *
 * Defines the instance variables and behavior for a Car
 *
 * @author Antonio Mejorado
 * @date 8-Feb-2006
 *
 */
public class Car extends Vehicle {

    /**
     *
     * Car default constructor
     *
     * Defines zero for x and y coordinates
     *
     */
    public Car(){
        super();
    }

    /**
     *
     * Car with two parameter constructor
     *
     * Defines zero for x and y coordinates
     *
     * @param x an <code>integer</code> value for the x coordinate
     * @param y an <code>integer</code> value for the y coordinate
     *
     */
    public Car(int x, int y) {
        super(x, y);
    }


    /**
     *
     * Draw method
     *
     * draws the Car
     *
     * @param a <code>Graphics</code> object
     *
     */
    public void draw(Graphics g) {
        g.drawOval(x+25, y+25, 25, 25); //left tire
        g.drawOval(x+100, y+25, 25, 25); // right tire
        g.drawRect(x, y -25, 150, 50); // car body
        g.drawLine(x+25,y-25,x+50, y-55); // left edge window
        g.drawLine(x+50, y-55, x+100, y-55); //up edge window
        g.drawLine(x+100, y-55, x+125, y-25); // right edge window
    }

    /**
     *
     * Equals method
     *
     * Checks if the received object is equal to the invoke object
     *
     * @return a <code>boolean</code> value, true for equals false for different
     *
     */
    public boolean equals(Object obj) {
        if (obj instanceof Car) {
            Car c = (Car) obj;
            if (this.getX() == c.getX() && this.getY() == c.getY()) return true;
        }
        return false;
    }

    /**
     *
     * ToString method
     *
     * Returns the object as an String object
     *
     * @return a <code>String</code> object corresponding to the object
     *
     */
    public String toString() {
        return " [ " + getX() + "," + getY() + " ] ";
    }
}