public class Length
{
            // remind class about atributes being private
     private int feet, inches, sign;  
	  
	  /**
	  *  explicit three value constructor
	  *  @param length in feet 
	  *  @param length in inches
	  *  @param boolean true means sign is positive, false means its negative)
	  */ 
	  public Length (int numFeet, int numInches, boolean booleanSign)
	  {

	  }
	  
	  /**
	  *  explicit two value constructor which makes sign positive
     *  @param length in feet 
	  *  @param length in inches
	  */ 
	  public Length (int numFeet, int numInches)
	  {
	  			
				
	  }
	  
	  /**
	  *  default constructor sets feet and inches to 0, sign to positive
	  */
	  public Length ()
	  {
	  
	  }
	  
	  /**
	  * this method returns nothing but changes the calling objects length
	  * by the Length passed in.
	  * 
	  * @param a Length
	  */
	  public void changeBy (Length aLength)
	  {
	  
	  
	  }
	  
	  /**
	  *  method that returns a boolean value and is passed a Length
	  *  method checks to see whether this length has the same value
	  *  as the Length parameter passe in  
	  *
	  *  @return  true if lengths are the same, false if they are different
	  */
	  public boolean equals(Length eLength)
	  {
	   
	     return true;  // default value for stub only
	  }	
		 
	 /**
	 *  private method converting a Length in feet and inches to inches
	 *
	 *  @return  number of inches in Length (i.e.  1 ft  5 in returns 17)
	 */
	 private int toInches()
	 {
	 
	   return 0;  // default value for stub
	 }
	 
	 /** 
	 * this method returns a String rpresentation of the length
	 * that called it
	 *
	 * @return String value of Length
	 */
	 public String toString()
	 {
	   return "Question 2 ";
	 }
}