public class DebugBox
{
   private int width;
   private int length;
   private int height;
   private FixDebugBox()
   {
     length = 1;
     width = 1;
     height = 1;
   }
   public DebugBox(int width, int length, int height)
   {
      width = width;
      length = length;
      height = height;
   }
   public void showData()
   {
     System.out.println("Width: "  + width + "  Length: " +
       length + "  Height: " + height);
   }
   public double getVolume()
   { 
     double vol = length - width - height;
     return vol;
   }
}