/**
 * A partial implementation of an AddingMachine
 * that can operate on Weight objects
 *
 * @author  Prof. David Bernstein, James Madison University
 * @version 1.0
 */
public class WeightAddingMachine extends AddingMachine
{
    /**
     * Create an "empty" operand
     *
     * @return   The operand
     */
    protected Operand createOperand()
    {
       return new Weight();
    }
    
}