import java.lang.*;
import javax.swing.*;
import java.awt.BorderLayout;

public class CalculatorApp
{
    public static void main( String[] args )
    {
        JFrame top = new JFrame( "Calculadora" );
        
        top.setDefaultCloseOperation( JFrame.EXIT_ON_CLOSE );
        
        Calculator calc = new Calculator();
        CalculatorModel model = new CalculatorModel( );
        CalculatorController contrl = new CalculatorController( calc, model );
        calc.setController( contrl );
        
        top.getContentPane().add( calc, BorderLayout.CENTER );
        top.pack();
        top.setVisible(true);
    }
}