/** * The main class for the CashMachine application */ public class CashMachine { /** * The entry point of the application * * @param args The command-line arguments */ public static void main(String[] args) { PINPadWindow window; window = new PINPadWindow(); window.setTitle("ATM"); window.setVisible(true); } } ---------------------------------------------------------------

import java.awt.*; import java.awt.event.*; import javax.swing.*;

/** * A numeric keypad */ public class NumberPad extends JPanel { /** * Default Constructor */ public NumberPad() { super(); setupLayout(); }

/** * Setup and layout this NumberPad */ private void setupLayout() { // Setup and layout this NumberPad } }

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

/** * A window containing a PIN entry pad. */ public class PINPadWindow extends JFrame { /** * Default Constructor. */ public PINPadWindow() { super(); setupLayout(); setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); }

/** * Setup and layout this PINPadWindow */ private void setupLayout() { Container contentPane;

setSize(300, 300);

contentPane = getContentPane();

// Layout this PINPadWindow } }

2. Complete the setupLayout () method in the NumberPad class. Your implementation must contain 12 JButton objects and be consistent with the following wireframe Del 0 C What code did you add