driver class StackDemo2.java is already provided and compelete the StackDemoGUI2.java just follow the comments and complete so that can have the gui appeared as shown in the photo.

/** * @author Lewis and Chase * * Solution to Programming Project 4.4 */ public class StackDemo2 { /** * Stack push/pop graphical demo. * @param args array of Strings */ public static void main(String[] args) { StackDemoGUI2 gui = new StackDemoGUI2();//create a new object call the StackDemoGUI2() gui.display(); } }

//end of StackDemo2.java

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

/** * @author Lewis and Chase * * Solution to Programming Project 4.4. */ public class StackDemoGUI2 extends JPanel { private JButton pushButton, pushButtonBottom; private JButton popButton; private JTextArea currentStack; private JLabel inputLabel; private JTextField currentInput; private JTextArea currentAction; private JPanel panel; /* * Sets up the GUI. */ public StackDemoGUI2() { pushButton = new JButton("Push"); pushButton.addActionListener(new PushListener()); pushButtonBottom = new JButton("PushBottom"); popButton = new JButton("Pop"); popButton.addActionListener(new PopListener()); inputLabel = new JLabel("Add to stack: "); currentInput = new JTextField(18); currentInput.setEditable(true); currentStack = new JTextArea(6, 20); currentStack.setMargin(new Insets(5,5,5,5)); currentStack.setEditable(false); currentAction = new JTextArea(3,20); currentAction.setMargin(new Insets(5,5,5,5)); currentAction.setEditable(false); currentAction.setText(""); panel = new JPanel(); panel.add(inputLabel); panel.add(currentInput); panel.add(pushButton); panel.add(pushButtonBottom); panel.add(popButton); setLayout(new BorderLayout()); add(new JScrollPane(currentStack), BorderLayout.NORTH); add(panel, BorderLayout.CENTER); add(new JScrollPane(currentAction), BorderLayout.SOUTH); setBorder(BorderFactory.createEmptyBorder(20, 20, 20, 20)); } /** * Creates and displays the main application frame. */ public void display() { JFrame frame = new JFrame("Stack Graphics Demo"); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); frame.setContentPane(this); frame.pack(); frame.setVisible(true); }

/** * Represents an action listener for the push button. */ private class PushListener implements ActionListener { /** * Adds the contents of the user entry text field to the * top of this stack. * @param event incoming event */ public void actionPerformed (ActionEvent event) { //get the input from the textfield and assign to a variable //push item onto the stack //append item to the jtextarea //display current status of the stack in the appropriate textarea // currentStack.setCaretPosition( 0 ); // forces scroll up //clear the input textfield } }

/** * Represents an action listener for the pop button. */ private class PopListener implements ActionListener { /** * removes the element at the * top of this stack. * @param event incoming event */ public void actionPerformed (ActionEvent event) { //listener code for popping an item //use code similar to pushListener above } } }

// the end of StackDemoGUI2.java

operations on a stack, and display the resulting stack (using toString)) in a text area. Be sure to use the LinkedStack implementation from your chapter 13 source folder. ish Stack Graphics Demo three two one Add to stack: Push Pop inree was pusned onto une stack four" was pushed onto the stack. four" was popped off the stack