public class Rectangle {

   private double length;//ERROR: illegal start of expression
   private double width;

   /**
    * Constructor
    */

   public Rectangle(double len, double w)
   {
      length = len;
      width = w;
   }

   /**
    * The setLength method accepts an argument
    * that is stored in the length field.
    */

   public void setLength(double len)
   {
      length = len;
   }

   /**
    * The setWidth method accepts an argument
    * that is stored in the width field.
    */

   public void setWidth(double w)
   {
      width = w;
   }

   /**
    * The set method accepts two arguments
    * that are stored in the length and width
    * fields.
    */

   public void set(double len, double w)
   {
      length = len;
      width = w;
   }

   /**
    * The getLength method returns the value
    * stored in the length field.
    */

   public double getLength()
   {
      return length;
   }

   /**
    * The getWidth method returns the value
    * stored in the width field.
    */

   public double getWidth()
   {
      return width;
   }

   /**
    * The getArea method returns the value of the
    * length field times the width field.
    */

   public double getArea()
   {
      return length * width;
   }

   public static void main(String[] args){
   }//end of: public static void main(String[] args)

}//end of: public class Rectangle  ERROR: class, interface, or enum expected