Lab4

package rectangle;

public class Rectangle {
    private int height=0, width=0, field = 0;
    Rectangle(int h, int w)
    {
        height = h;
        width = w;
        field = h*w;
    }
    Rectangle(int a)
    {
       this(a,a);
    }
    int getHeight()
    {
        return height;
    }
    int getWidth()
    {
        return width;
    }
    int getField()
    {
        return field;
    }
    void setHeight(int a)
    {
        height = a;
    }
     void setWidth(int a)
    {
        width = a;
    }

    void wypisz ()

    {
        System.out.println("Height of rectangle is " + getHeight());
        System.out.println("Width of rectangle is " + getWidth());
        System.out.println("Field of rectangle is " + getField());
    }
    public static void main(String[] args)
    {
        Rectangle a[] =new Rectangle[7];
        a =
    }
}