CS232 Spring 2008

public class Rect
{
    static int z = 5;
    int x, y, width, height;
    
    public Rect(int x, int y, int width, int height) {
        this.x = x; this.y = y;
        this.width = width; this.height = height;
    }
    
    public int getW()     { return this.width; }
        
    
    public boolean isColored() { return false; }
}


public class ColorRect extends Rect
{
    Color color;
    
    public ColorRect(int x, int y, int width, int height, Color c) {
        super(x, y, width, height);
        this.color = c;
    }
    
    public Color getC()    { return this.color; }
    
    public boolean isColored() { return true; }
}

public class Main 
{
    public static void main(String[] args) {
        Rect r = new Rect(1,2,3,4);
        ColorRect s = new ColorRect(5,6,7,8,Color.red);
        int x = r.getW();
        int y = s.getW();
        Color c = s.getC();
        boolean b1 = r.isColored();
        boolean b2 = s.isColored();
        r.z = 6;
        s.z = 7;
    }
}