/**
 * A simple GUI-based five-function calculator 
 * with integer operands
 *
 * @author  Prof. David Bernstein, James Madison University
 * @version 1.0
 */
public class Dukulator
{
    /**
     * The entry point
     *
     * @param args   The command-line arguments
     */
    public static void main(String[] args)
    {
       DukulatorWindow        window;
       
       IntegerCalculator   calculator;
		 calculator = new IntegerCalculator();
       window     = new DukulatorWindow();
		 window.setExpressionObserver(calculator);    
		 }
    
}