AP Computer Science --- Haas --- Rectangle

/**
 * Read about variable scope, then use your vast knowledge 
 * to fix the program below.
 * 
 * The following does not work!  Fix it.
 */
public class Rectangle
{
    int length;
    int width;
    String s;
    
    /** 
     * constructs a rectangle with a length and width
     */
	public Rectangle(int length, int width)
	{
	}

       /**
	* returns the area of a rectangle
	*/
        public int findArea()
	{
		int area = length * width;
		return area;
	}
	
	/** 
	 * returns if rectangle is "Square" or "Not Square"
	 */
	public String squareOrNot()
	{
	    if (length == width)
	    {
	        String s = "Square";
	    }
	    else
	    {
	        String s = "Not Square";
	    }
	    return s;
	 }
}

public class RectangleTester
{
	public static void main(String[] args)
	{
	    int area=0;
	    Rectangle spongeBob = new Rectangle(3,4);
	    spongeBob.findArea();
	    System.out.println("spongebob area = " + area);
	    System.out.println("spongebob " + spongeBob.squareOrNot() + " pants.");
	}
}