Alphabets Typing Game Java Program
Java Code:
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
public class AlphabetPanel
extends JPanel
{
Text[]
alphabet = new Text[26];
public AlphabetPanel()
{
this.setLayout(new FlowLayout());
for (char letter = 'A'; letter <= 'Z'; letter++)
{
alphabet[letter - 'A'] = new Text(String.valueOf(letter));
this.add(alphabet[letter - 'A']);
}
this.setFocusable(true);
this.addKeyListener(new KeyAdapter() {
public void keyTyped(KeyEvent e)
{
if (e.getKeyChar() ==
32){
reset();
}
char letter = Character.toUpperCase(e.getKeyChar());
//
convert the letter to upper case
if (letter < 'A' || letter > 'Z') return; // ignore invalid
characters
if (isVovel(letter))
{
setLetterColor(letter,
Color.green);
}
else
{
setLetterColor(letter,
Color.red);
}}});
}
// resets all
characters to black
public void reset()
{
for (int i = 0; i < alphabet.length; i++)
{
alphabet[i].setLetterColor(Color.black);
}
}
// checks if a
letter has been seen
public boolean hasLetterBeenSeen(char letter)
{
return
getLetterColor(letter) != Color.black;
}
// checks if the
letter is a Vovel
public boolean isVovel(char letter)
{
if (letter == 'A' || letter == 'E' || letter == 'I' || letter == 'O' || letter == 'U') return true;
return false;
}
// sets a specific
letter to a given color
public void setLetterColor(char letter, Color color)
{
alphabet[letter - 'A'].setLetterColor(color);
}
// retrieves the
current color of a specific letter
public Color
getLetterColor(char letter)
{
return alphabet[letter - 'A'].getLetterColor();
}
public static void main(String[] args)
{
JFrame
frame = new JFrame ("Letter");
frame.setDefaultCloseOperation
(JFrame.EXIT_ON_CLOSE);
frame.getContentPane().add(new AlphabetPanel()); // add the alphabet
panel to the frame
frame.getContentPane().setBackground(Color.white);
frame.pack();
frame.setVisible(true);
}
}
import java.awt.*;
import javax.swing.*;
public class Text extends JPanel {
public static final int space = 2;
private Color LetterColor = Color.black;
private Color UnderlineColor = Color.black;
private String text;
private boolean Underline = true;
private boolean Visible = true;
private Font Font;
// Constructor that
Initializes the text, sets the Font, and sets the value
public Text(String T) {
text = T;
Font = new Font("new", Font.ITALIC, 25);
this.setPreferredSize(new Dimension(40,40));
}
// Sets the text to be displayed by this object.
public void setText(String a) {
text = a;
repaint();
}
// Returns the text string displayed by
this text
public String getText() {
return text;
}
//Returns true if the text is whitespace
consisting of
public boolean isWhitespace() {
return text == null || text.trim().equals("");
}
// text to be shown the next time
public void showText() {
Visible = true;
repaint();
}
// text to be
hidden the next time
public void hideText() {
Visible = false;
repaint();
}
// Returns if the text will be shown the
next time
public boolean isTextVisible() {
return Visible;
}
// Underline to be
shown the next time
public void showUnderline() {
Underline = true;
repaint();
}
// Underline to be
hidden the next time
public void hideUnderline() {
Underline = false;
repaint();
}
// Returns true if
the Underline will be shown the next
public boolean isUnderlined() {
return Underline;
}
public Color
getLetterColor() {
return LetterColor;
}
// Sets the display
color used when drawing the text.
public void setLetterColor(Color
LetterColor) {
this.LetterColor = LetterColor;
repaint();
}
public Color
getUnderlineColor() {
return UnderlineColor;
}
// Sets the display
color used when drawing the
public void
setUnderlineColor(Color UnderlineColor) {
this.UnderlineColor = UnderlineColor;
repaint();
}
// Draws the text
panel to the screen based on the
public void
paintComponent(Graphics g)
{
super.paintComponent(g);
g.setFont(Font);
int w = this.getWidth();
int h = this.getHeight();
if (Visible) {
g.setColor(LetterColor);
g.drawString(text, space, 35);
}
if (Underline) {
g.setColor(UnderlineColor);
g.fillRect(space, h - space, (text.length()+1)*7, h);
}
}
}
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