Add the following to the Welcome.Java Program

1. Add two more colors, black and orange, to the list of color choices for displaying the welcome message.

2. Add two more radio buttons, one for Extra Small to the left and the other for Extra Large to the right of the existing ones. Use size 8 for extra small and 40 for extra large to display the welcome message.

3. Add a label Select a type style and a group of three radio buttons right above the reset button to allow a choice of three type styles, plain, boldfaced, and italic. Set the initial type style to plain. When one of the radio buttons is selected, the welcome text should be changed to the corresponding type style.

4. Modify the action listener for the Reset button so that when it is clicked, the display settings are reset to their initial values and the welcome message is displayed in the initial settings.

5. Add an Exit button next and to the right of the Reset button. When the Exit button is pressed, your program should terminate in the same way as when the window closing box is clicked.

Welcome.Java Code:

// Import Core Java packages import java.awt.*; import java.awt.event.*; public class Welcome extends Frame { // Constants and variables used in the program static final int WIDTH = 450; // frame width static final int HEIGHT = 300; // frame height static final int SMALL_SIZE = 16; // small font size static final int MEDIUM_SIZE = 20; // medium font size static final int LARGE_SIZE = 24; // large font size static final String COLOR_NAMES[] = {"Red", "Blue", "Green"}; static final Color COLORS[] = {Color.RED, Color.BLUE, Color.GREEN}; static final String INITIAL_FACE = Font.DIALOG; // initial typeface static final int INITIAL_STYLE = Font.PLAIN; // initial type style static final int INITIAL_SIZE = LARGE_SIZE; // initial type size String typeFace = INITIAL_FACE; // current typeface int typeStyle = INITIAL_STYLE; // current type style int typeSize = INITIAL_SIZE; // current type size Label text; // display text Checkbox small; // checkbox for small font Checkbox medium; // checkbox for medium font Checkbox large; // checkbox for large font Choice colorChoice; // choice box for text color Button resetButton; // button to reset font and color /** * Constructor */ public Welcome() { setTitle("Welcome"); // set frame title // create text text = new Label("Welcome to the World of Java!"); text.setAlignment(Label.CENTER); text.setFont(new Font(typeFace, typeStyle, typeSize)); text.setForeground(COLORS[0]); add(text, BorderLayout.CENTER); Panel controlPanel = new Panel(); controlPanel.setLayout(new GridLayout(0, 1)); add(controlPanel, BorderLayout.SOUTH); // create choice box Panel panel = new Panel(); panel.setLayout(new FlowLayout(FlowLayout.LEFT)); controlPanel.add(panel); Label label = new Label("Select a text color"); panel.add(label); colorChoice = new Choice(); colorChoice.add(COLOR_NAMES[0]); colorChoice.add(COLOR_NAMES[1]); colorChoice.add(COLOR_NAMES[2]); panel.add(colorChoice); colorChoice.addItemListener(new ItemListener() { public void itemStateChanged(ItemEvent event) { text.setForeground(COLORS[colorChoice.getSelectedIndex()]); } }); // create radio buttons panel = new Panel(); panel.setLayout(new FlowLayout(FlowLayout.LEFT)); controlPanel.add(panel); label = new Label("Select a type size"); panel.add(label); CheckboxGroup sizeGroup = new CheckboxGroup(); small = new Checkbox("Small", sizeGroup, false); panel.add(small); small.addItemListener(new ItemListener() { public void itemStateChanged(ItemEvent event) { if(small.getState()) { typeSize = SMALL_SIZE; fontChange(typeFace, typeStyle, typeSize); } } }); medium = new Checkbox("Medium", sizeGroup, false); panel.add(medium); medium.addItemListener(new ItemListener() { public void itemStateChanged(ItemEvent event) { if(medium.getState()) { typeSize = MEDIUM_SIZE; fontChange(typeFace, typeStyle, typeSize); } } }); large = new Checkbox("Large", sizeGroup, true); panel.add(large); large.addItemListener(new ItemListener() { public void itemStateChanged(ItemEvent event) { if(large.getState()) { typeSize = LARGE_SIZE; fontChange(typeFace, typeStyle, typeSize); } } }); // create reset button panel = new Panel(); panel.setLayout(new FlowLayout(FlowLayout.CENTER)); controlPanel.add(panel); resetButton = new Button("Reset"); panel.add(resetButton); resetButton.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent event) { large.setState(true); // reset radio button colorChoice.select(0); // reset color choice box text.setForeground(COLORS[0]); // reset text color typeSize = INITIAL_SIZE; // reset type size fontChange(typeFace, typeStyle, typeSize); // reset text font } }); } // end of constructor /** * Method to change the text font */ private void fontChange(String typeFace, int typeStyle, int typeSize) { Font font = new Font(typeFace, typeStyle, typeSize); text.setFont(font); } /** * the main method */ public static void main(String[] argv) { // Create frame Welcome welcome = new Welcome(); welcome.setBackground(Color.LIGHT_GRAY); welcome.setSize(WIDTH, HEIGHT); welcome.setLocation(150, 100); // add window closing listener welcome.addWindowListener(new WindowAdapter() { public void windowClosing(WindowEvent event) { System.exit(0); } }); // Show the frame welcome.setVisible(true); } }