How to resolve the algorithm Tic-tac-toe step by step in the Java programming language
Published on 12 May 2024 09:40 PM
How to resolve the algorithm Tic-tac-toe step by step in the Java programming language
Table of Contents
Problem Statement
Play a game of tic-tac-toe. Ensure that legal moves are played and that a winning position is notified.
Tic-tac-toe is also known as:
Let's start with the solution:
Step by Step solution about How to resolve the algorithm Tic-tac-toe step by step in the Java programming language
The provided Java code is an implementation of the classic Tic-Tac-Toe game with a graphical user interface (GUI). Let's break down the code step by step:
-
Import Statements:
These lines import necessary packages and classes for input/output, data structures, and GUI components.
-
TicTacToeClass:This is the main class representing the Tic-Tac-Toe game.
-
Instance Variables:
marks: A 2D array to keep track of marks on the game board.wins: An array of arrays representing winning combinations.weights: An array to store weights for each cell on the board, used for AI move selection.grid: A 2D array representing the game board.knotcount: Constant for the number of marks needed for a Knot win.crosscount: Constant for the number of marks needed for a Cross win.totalcount: Constant for the total number of marks needed to win.playerid: Constant representing the player's ID.compid: Constant representing the computer's ID.truceid: Constant representing a truce (draw).playingid: Constant representing the state of the game when it's being played.movesPlayer: A String to store the player's moves.override: A byte to indicate if the game is overridden.overridegrid: A 2D array representing the overridden game board.numpad: A 2D array representing the numpad used for entering moves.crossbank: A Hashtable to keep track of Cross wins.knotbank: A Hashtable to keep track of Knot wins.
-
Constructor:
The constructor initializes all instance variables and sets up the game board.
-
startMatchMethod:This method is the entry point for starting a new game.
-
BufferedReader:
This line creates a
BufferedReaderobject to read player input from the console. -
Game Initialization:
This loop initializes game variables, plays a game, updates scores, and asks the user if they want to play again.
-
putMethod:This method places a mark on the game board at the specified cell and displays the updated board.
-
startGameMethod:This method starts a new game, handles player moves, checks for wins, and determines the game outcome.
-
Player Move Handling:
The player makes a move using the
playerMovemethod. -
playerMoveMethod:This method processes the player's move, including reading input and validating it.
-
Computer Move Handling:
The computer makes a move using the
compMovemethod. -
compMoveMethod:This method generates a computer move using a weighted algorithm to maximize the chance of winning.
-
Win Checking:
This line checks for a winning combination on the board.
-
checkForWinMethod:This method iterates through winning combinations and checks for a winner or a truce (draw).
-
Displaying the Board:
This line displays the current state of the game board in the console.
-
displayMethod:This method displays the game board as a grid of characters.
In addition to the main TicTacToe class, there are two additional classes:
TicTacToeFrame: This class creates a graphical user interface for the game using Swing components.ticTacToeCallum: This class is the main class for the GUI version of the game.
Source code in the java programming language
import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.util.Hashtable;
public class TicTacToe
{
public static void main(String[] args)
{
TicTacToe now=new TicTacToe();
now.startMatch();
}
private int[][] marks;
private int[][] wins;
private int[] weights;
private char[][] grid;
private final int knotcount=3;
private final int crosscount=4;
private final int totalcount=5;
private final int playerid=0;
private final int compid=1;
private final int truceid=2;
private final int playingid=3;
private String movesPlayer;
private byte override;
private char[][] overridegrid={{'o','o','o'},{'o','o','o'},{'o','o','o'}};
private char[][] numpad={{'7','8','9'},{'4','5','6'},{'1','2','3'}};
private Hashtable<Integer,Integer> crossbank;
private Hashtable<Integer,Integer> knotbank;
public void startMatch()
{
BufferedReader br=new BufferedReader(new InputStreamReader(System.in));
System.out.print("Start?(y/n):");
char choice='y';
try
{
choice=br.readLine().charAt(0);
}
catch(Exception e)
{
System.out.println(e.getMessage());
}
if(choice=='n'||choice=='N')
{
return;
}
System.out.println("Use a standard numpad as an entry grid, as so:\n ");
display(numpad);
System.out.println("Begin");
int playerscore=0;
int compscore=0;
do
{
int result=startGame();
if(result==playerid)
playerscore++;
else if(result==compid)
compscore++;
System.out.println("Score: Player-"+playerscore+" AI-"+compscore);
System.out.print("Another?(y/n):");
try
{
choice=br.readLine().charAt(0);
}
catch(Exception e)
{
System.out.println(e.getMessage());
}
}while(choice!='n'||choice=='N');
System.out.println("Game over.");
}
private void put(int cell,int player)
{
int i=-1,j=-1;;
switch(cell)
{
case 1:i=2;j=0;break;
case 2:i=2;j=1;break;
case 3:i=2;j=2;break;
case 4:i=1;j=0;break;
case 5:i=1;j=1;break;
case 6:i=1;j=2;break;
case 7:i=0;j=0;break;
case 8:i=0;j=1;break;
case 9:i=0;j=2;break;
default:display(overridegrid);return;
}
char mark='x';
if(player==0)
mark='o';
grid[i][j]=mark;
display(grid);
}
private int startGame()
{
init();
display(grid);
int status=playingid;
while(status==playingid)
{
put(playerMove(),0);
if(override==1)
{
System.out.println("O wins.");
return playerid;
}
status=checkForWin();
if(status!=playingid)
break;
try{Thread.sleep(1000);}catch(Exception e){System.out.print(e.getMessage());}
put(compMove(),1);
status=checkForWin();
}
return status;
}
private void init()
{
movesPlayer="";
override=0;
marks=new int[8][6];
wins=new int[][] //new int[8][3];
{
{7,8,9},
{4,5,6},
{1,2,3},
{7,4,1},
{8,5,2},
{9,6,3},
{7,5,3},
{9,5,1}
};
weights=new int[]{3,2,3,2,4,2,3,2,3};
grid=new char[][]{{' ',' ',' '},{' ',' ',' '},{' ',' ',' '}};
crossbank=new Hashtable<Integer,Integer>();
knotbank=new Hashtable<Integer,Integer>();
}
private void mark(int m,int player)
{
for(int i=0;i<wins.length;i++)
for(int j=0;j<wins[i].length;j++)
if(wins[i][j]==m)
{
marks[i][j]=1;
if(player==playerid)
marks[i][knotcount]++;
else
marks[i][crosscount]++;
marks[i][totalcount]++;
}
}
private void fixWeights()
{
for(int i=0;i<3;i++)
for(int j=0;j<3;j++)
if(marks[i][j]==1)
if(weights[wins[i][j]-1]!=Integer.MIN_VALUE)
weights[wins[i][j]-1]=Integer.MIN_VALUE;
for(int i=0;i<8;i++)
{
if(marks[i][totalcount]!=2)
continue;
if(marks[i][crosscount]==2)
{
int p=i,q=-1;
if(marks[i][0]==0)
q=0;
else if(marks[i][1]==0)
q=1;
else if(marks[i][2]==0)
q=2;
if(weights[wins[p][q]-1]!=Integer.MIN_VALUE)
{
weights[wins[p][q]-1]=6;
}
}
if(marks[i][knotcount]==2)
{
int p=i,q=-1;
if(marks[i][0]==0)
q=0;
else if(marks[i][1]==0)
q=1;
else if(marks[i][2]==0)
q=2;
if(weights[wins[p][q]-1]!=Integer.MIN_VALUE)
{
weights[wins[p][q]-1]=5;
}
}
}
}
private int compMove()
{
int cell=move();
System.out.println("Computer plays: "+cell);
//weights[cell-1]=Integer.MIN_VALUE;
return cell;
}
private int move()
{
int max=Integer.MIN_VALUE;
int cell=0;
for(int i=0;i<weights.length;i++)
if(weights[i]>max)
{
max=weights[i];
cell=i+1;
}
//This section ensures the computer never loses
//Remove it for a fair match
//Dirty kluge
if(movesPlayer.equals("76")||movesPlayer.equals("67"))
cell=9;
else if(movesPlayer.equals("92")||movesPlayer.equals("29"))
cell=3;
else if (movesPlayer.equals("18")||movesPlayer.equals("81"))
cell=7;
else if(movesPlayer.equals("73")||movesPlayer.equals("37"))
cell=4*((int)(Math.random()*2)+1);
else if(movesPlayer.equals("19")||movesPlayer.equals("91"))
cell=4+2*(int)(Math.pow(-1, (int)(Math.random()*2)));
mark(cell,1);
fixWeights();
crossbank.put(cell, 0);
return cell;
}
private int playerMove()
{
System.out.print("What's your move?: ");
BufferedReader br=new BufferedReader(new InputStreamReader(System.in));
int cell=0;
int okay=0;
while(okay==0)
{
try
{
cell=Integer.parseInt(br.readLine());
}
catch(Exception e)
{
System.out.println(e.getMessage());
}
if(cell==7494)
{
override=1;
return -1;
}
if((cell<1||cell>9)||weights[cell-1]==Integer.MIN_VALUE)
System.out.print("Invalid move. Try again:");
else
okay=1;
}
playerMoved(cell);
System.out.println();
return cell;
}
private void playerMoved(int cell)
{
movesPlayer+=cell;
mark(cell,0);
fixWeights();
knotbank.put(cell, 0);
}
private int checkForWin()
{
int crossflag=0,knotflag=0;
for(int i=0;i<wins.length;i++)
{
if(crossbank.containsKey(wins[i][0]))
if(crossbank.containsKey(wins[i][1]))
if(crossbank.containsKey(wins[i][2]))
{
crossflag=1;
break;
}
if(knotbank.containsKey(wins[i][0]))
if(knotbank.containsKey(wins[i][1]))
if(knotbank.containsKey(wins[i][2]))
{
knotflag=1;
break;
}
}
if(knotflag==1)
{
display(grid);
System.out.println("O wins.");
return playerid;
}
else if(crossflag==1)
{
display(grid);
System.out.println("X wins.");
return compid;
}
for(int i=0;i<weights.length;i++)
if(weights[i]!=Integer.MIN_VALUE)
return playingid;
System.out.println("Truce");
return truceid;
}
private void display(char[][] grid)
{
for(int i=0;i<3;i++)
{
System.out.println("\n-------");
System.out.print("|");
for(int j=0;j<3;j++)
System.out.print(grid[i][j]+"|");
}
System.out.println("\n-------");
}
}
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
import java.util.logging.Logger;
/**
* TicTacToe Application
* @author Steve Robinson
* @version 1.0
*/
class TicTacToeFrame extends JFrame
{
JButton [][] buttons= new JButton[3][3];
JTextField statusBar;
GamePanel panel;
Integer turn;
GameListener listener=new GameListener();
Integer count;
public TicTacToeFrame()
{
setLayout(new BorderLayout());
panel=new GamePanel();
add(panel,BorderLayout.CENTER);
statusBar=new JTextField("Player1's Turn");
statusBar.setEditable(false);
add(statusBar,BorderLayout.SOUTH);
setTitle("Tic Tac Toe!");
setVisible(true);
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
setBounds(400,400,300,300);
}
class GamePanel extends JPanel
{
public GamePanel()
{
setLayout(new GridLayout(3,3));
turn =1;
count=0;
for(int i=0;i<3;i++)
for(int j=0;j<3;j++) {
buttons[i][j]=new JButton();
buttons[i][j].putClientProperty("INDEX", new Integer[]{i,j});
buttons[i][j].putClientProperty("OWNER", null);
buttons[i][j].addActionListener(listener);
add(buttons[i][j]);
}
}
}
class GameListener implements ActionListener
{
public void actionPerformed(ActionEvent e)
{
count++;
JButton b=(JButton)e.getSource();
Integer[]index=(Integer[]) b.getClientProperty("INDEX");
//System.out.println(turn); //turn // //System.out.println("["+index[0]+"]"+"["+index[1]+"]"); //
b.putClientProperty("OWNER", turn);
Icon ico=new ImageIcon(turn.toString()+".gif");
b.setIcon(ico);
b.setEnabled(false);
boolean result=checkVictoryCondition(index);
if(result)
{
JOptionPane.showMessageDialog(null, "Player "+turn.toString()+" Wins");
initComponents();
}
else
{
if(turn==1)
{
turn=2;
statusBar.setText("Player2's Turn");
}
else
{
turn=1;
statusBar.setText("Player1's Turn");
}
}
if(count==9)
{
JOptionPane.showMessageDialog(null, "Match is a draw!");
initComponents();
}
}
Integer getOwner(JButton b)
{
return (Integer)b.getClientProperty("OWNER");
}
//PrintButtonMap for Diagnostics
void printbuttonMap(Integer [][]bMap)
{
for(int i=0;i for(int j=0;j System.out.print(bMap[i][j]+" ");
System.out.println("");
}
}
boolean checkVictoryCondition(Integer [] index)
{
/*Integer[][]buttonMap=new Integer[][] {
{ getOwner(buttons[0][0]),getOwner(buttons[0][1]),getOwner(buttons[0][2])},
{ getOwner(buttons[1][0]),getOwner(buttons[1][1]),getOwner(buttons[1][2])},
{ getOwner(buttons[2][0]),getOwner(buttons[2][1]),getOwner(buttons[2][2])}
};
printbuttonMap(buttonMap); */
Integer a=index[0];
Integer b=index[1];
int i;
//check row
for(i=0;i<3;i++) {
if(getOwner(buttons[a][i])!=getOwner(buttons[a][b]))
break;
}
if(i==3)
return true;
//check column
for(i=0;i<3;i++) {
if(getOwner(buttons[i][b])!=getOwner(buttons[a][b]))
break;
}
if(i==3)
return true;
//check diagonal
if((a==2&&b==2)||(a==0&&b==0)||(a==1&&b==1)||(a==0&&b==2)||(a==2&&b==0))
{
//left diagonal
for(i=0;i if(getOwner(buttons[i][i])!=getOwner(buttons[a][b]))
break;
if(i==3)
return true;
//right diagonal
if((getOwner(buttons[0][2])==getOwner(buttons[a][b]))&&(getOwner(buttons[1][1])==getOwner(buttons[a][b]))&&(getOwner(buttons[2][0])==getOwner(buttons[a][b])))
return true;
}
return false;
}
}
void initComponents()
{
for(int i=0;i<3;i++)
for(int j=0;j<3;j++) {
buttons[i][j].putClientProperty("INDEX", new Integer[]{i,j});
buttons[i][j].putClientProperty("OWNER",null);
buttons[i][j].setIcon(null);
buttons[i][j].setEnabled(true);
turn=1;
count=0;
statusBar.setText("Player1's Turn");
}
}
}
class TicTacToe {
public static void main(String[] args) {
EventQueue.invokeLater(new Runnable(){
public void run()
{
TicTacToeFrame frame=new TicTacToeFrame();
}
});
}
}
import javax.swing.*;
import java.awt.event.*;
import java.awt.*;
//Make sure the name of the class is the same as the .java file name.
//If you change the class name you should change the class object name in runGUI method
public class ticTacToeCallum implements ActionListener {
static JFrame frame;
static JPanel contentPane;
static JLabel lblEnterFirstPlayerName, lblEnterSecondPlayerName, lblFirstPlayerScore, lblSecondPlayerScore;
static JButton btnButton1, btnButton2, btnButton3, btnButton4, btnButton5, btnButton6, btnButton7, btnButton8, btnButton9, btnClearBoard, btnClearAll, btnCloseGame;
static JTextField txtEnterFirstPlayerName, txtEnterSecondPlayerName;
static Icon imgicon = new ImageIcon("saveIcon.JPG");
Font buttonFont = new Font("Arial", Font.PLAIN, 20);
//to adjust the frame size change the values in pixels
static int width = 600;
static int length = 400;
static int firstPlayerScore = 0;
static int secondPlayerScore = 0;
static int playerTurn = 1;
static int roundComplete = 0;
static int button1 = 1, button2 = 1, button3 = 1, button4 = 1, button5 = 1, button6 = 1, button7 = 1, button8 = 1, button9 = 1; // 1 is true, 0 is false
public ticTacToeCallum(){
frame = new JFrame("Tic Tac Toe ^_^");
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
contentPane = new JPanel();
contentPane.setLayout(new GridLayout(6, 3, 10, 10));
contentPane.setBorder(BorderFactory.createEmptyBorder(20, 20, 20, 20));
btnButton1 = new JButton("");
btnButton1.setFont(buttonFont);
btnButton1.setAlignmentX(JButton.CENTER_ALIGNMENT);
btnButton1.setIcon(imgicon);
btnButton1.setActionCommand("CLICK1");
btnButton1.addActionListener(this);
contentPane.add(btnButton1);
btnButton2 = new JButton("");
btnButton2.setFont(buttonFont);
btnButton2.setAlignmentX(JButton.CENTER_ALIGNMENT);
btnButton2.setIcon(imgicon);
btnButton2.setActionCommand("CLICK2");
btnButton2.addActionListener(this);
contentPane.add(btnButton2);
btnButton3 = new JButton("");
btnButton3.setFont(buttonFont);
btnButton3.setAlignmentX(JButton.CENTER_ALIGNMENT);
btnButton3.setIcon(imgicon);
btnButton3.setActionCommand("CLICK3");
btnButton3.addActionListener(this);
contentPane.add(btnButton3);
btnButton4 = new JButton("");
btnButton4.setFont(buttonFont);
btnButton4.setAlignmentX(JButton.CENTER_ALIGNMENT);
btnButton4.setIcon(imgicon);
btnButton4.setActionCommand("CLICK4");
btnButton4.addActionListener(this);
contentPane.add(btnButton4);
btnButton5 = new JButton("");
btnButton5.setFont(buttonFont);
btnButton5.setAlignmentX(JButton.CENTER_ALIGNMENT);
btnButton5.setIcon(imgicon);
btnButton5.setActionCommand("CLICK5");
btnButton5.addActionListener(this);
contentPane.add(btnButton5);
btnButton6 = new JButton("");
btnButton6.setFont(buttonFont);
btnButton6.setAlignmentX(JButton.CENTER_ALIGNMENT);
btnButton6.setIcon(imgicon);
btnButton6.setActionCommand("CLICK6");
btnButton6.addActionListener(this);
contentPane.add(btnButton6);
btnButton7 = new JButton("");
btnButton7.setFont(buttonFont);
btnButton7.setAlignmentX(JButton.CENTER_ALIGNMENT);
btnButton7.setIcon(imgicon);
btnButton7.setActionCommand("CLICK7");
btnButton7.addActionListener(this);
contentPane.add(btnButton7);
btnButton8 = new JButton("");
btnButton8.setFont(buttonFont);
btnButton8.setAlignmentX(JButton.CENTER_ALIGNMENT);
btnButton8.setIcon(imgicon);
btnButton8.setActionCommand("CLICK8");
btnButton8.addActionListener(this);
contentPane.add(btnButton8);
btnButton9 = new JButton("");
btnButton9.setFont(buttonFont);
btnButton9.setAlignmentX(JButton.CENTER_ALIGNMENT);
btnButton9.setIcon(imgicon);
btnButton9.setActionCommand("CLICK9");
btnButton9.addActionListener(this);
contentPane.add(btnButton9);
lblEnterFirstPlayerName = new JLabel("Enter First Player's Name");
contentPane.add(lblEnterFirstPlayerName);
txtEnterFirstPlayerName = new JTextField("");
contentPane.add(txtEnterFirstPlayerName);
lblFirstPlayerScore = new JLabel("Score: " + firstPlayerScore);
contentPane.add(lblFirstPlayerScore);
lblEnterSecondPlayerName = new JLabel("Enter Second Player's Name");
contentPane.add(lblEnterSecondPlayerName);
txtEnterSecondPlayerName = new JTextField("");
contentPane.add(txtEnterSecondPlayerName);
lblSecondPlayerScore = new JLabel("Score: " + secondPlayerScore);
contentPane.add(lblSecondPlayerScore);
btnClearBoard = new JButton("Clear Board");
btnClearBoard.setAlignmentX(JButton.CENTER_ALIGNMENT);
btnClearBoard.setIcon(imgicon);
btnClearBoard.setActionCommand("CLICKClearBoard");
btnClearBoard.addActionListener(this);
contentPane.add(btnClearBoard);
btnClearAll = new JButton("Clear All");
btnClearAll.setAlignmentX(JButton.CENTER_ALIGNMENT);
btnClearAll.setIcon(imgicon);
btnClearAll.setActionCommand("CLICKClearAll");
btnClearAll.addActionListener(this);
contentPane.add(btnClearAll);
btnCloseGame = new JButton("Close Game");
btnCloseGame.setAlignmentX(JButton.CENTER_ALIGNMENT);
btnCloseGame.setIcon(imgicon);
btnCloseGame.setActionCommand("CLICKCloseGame");
btnCloseGame.addActionListener(this);
contentPane.add(btnCloseGame);
frame.setContentPane(contentPane);
frame.pack();
frame.setSize(width,length);
frame.setVisible(true);
}
public void actionPerformed(ActionEvent event) {
String eventName = event.getActionCommand();
if (eventName.equals("CLICK1")) {
if (button1 == 1){
if (playerTurn == 1){
btnButton1.setForeground(Color.RED);
btnButton1.setText("X");
playerTurn = 2;
button1 = 0;
} else if (playerTurn == 2) {
btnButton1.setForeground(Color.GREEN);
btnButton1.setText("O");
playerTurn = 1;
button1 = 0;
}
}
} else if (eventName.equals ("CLICK2")) {
if (button2 == 1){
if (playerTurn == 1){
btnButton2.setForeground(Color.RED);
btnButton2.setText("X");
playerTurn = 2;
button2 = 0;
} else if (playerTurn == 2) {
btnButton2.setForeground(Color.GREEN);
btnButton2.setText("O");
playerTurn = 1;
button2 = 0;
}
}
} else if (eventName.equals ("CLICK3")) {
if (button3 == 1){
if (playerTurn == 1){
btnButton3.setForeground(Color.RED);
btnButton3.setText("X");
playerTurn = 2;
button3 = 0;
} else if (playerTurn == 2) {
btnButton3.setForeground(Color.GREEN);
btnButton3.setText("O");
playerTurn = 1;
button3 = 0;
}
}
} else if (eventName.equals ("CLICK4")) {
if (button4 == 1){
if (playerTurn == 1){
btnButton4.setForeground(Color.RED);
btnButton4.setText("X");
playerTurn = 2;
button4 = 0;
} else if (playerTurn == 2) {
btnButton4.setForeground(Color.GREEN);
btnButton4.setText("O");
playerTurn = 1;
button4 = 0;
}
}
} else if (eventName.equals ("CLICK5")) {
if (button5 == 1){
if (playerTurn == 1){
btnButton5.setForeground(Color.RED);
btnButton5.setText("X");
playerTurn = 2;
button5 = 0;
} else if (playerTurn == 2) {
btnButton5.setForeground(Color.GREEN);
btnButton5.setText("O");
playerTurn = 1;
button5 = 0;
}
}
} else if (eventName.equals ("CLICK6")) {
if (button6 == 1){
if (playerTurn == 1){
btnButton6.setForeground(Color.RED);
btnButton6.setText("X");
playerTurn = 2;
button6 = 0;
} else if (playerTurn == 2) {
btnButton6.setForeground(Color.GREEN);
btnButton6.setText("O");
playerTurn = 1;
button6 = 0;
}
}
} else if (eventName.equals ("CLICK7")) {
if (button7 == 1){
if (playerTurn == 1){
btnButton7.setForeground(Color.RED);
btnButton7.setText("X");
playerTurn = 2;
button7 = 0;
} else if (playerTurn == 2) {
btnButton7.setForeground(Color.GREEN);
btnButton7.setText("O");
playerTurn = 1;
button7 = 0;
}
}
} else if (eventName.equals ("CLICK8")) {
if (button8 == 1){
if (playerTurn == 1){
btnButton8.setForeground(Color.RED);
btnButton8.setText("X");
playerTurn = 2;
button8 = 0;
} else if (playerTurn == 2) {
btnButton8.setForeground(Color.GREEN);
btnButton8.setText("O");
playerTurn = 1;
button8 = 0;
}
}
} else if (eventName.equals ("CLICK9")) {
if (button9 == 1){
if (playerTurn == 1){
btnButton9.setForeground(Color.RED);
btnButton9.setText("X");
playerTurn = 2;
button9 = 0;
} else if (playerTurn == 2) {
btnButton9.setForeground(Color.GREEN);
btnButton9.setText("O");
playerTurn = 1;
button9 = 0;
}
}
} else if (eventName.equals ("CLICKClearBoard")) {
btnButton1.setText("");
btnButton2.setText("");
btnButton3.setText("");
btnButton4.setText("");
btnButton5.setText("");
btnButton6.setText("");
btnButton7.setText("");
btnButton8.setText("");
btnButton9.setText("");
button1 = 1;
button2 = 1;
button3 = 1;
button4 = 1;
button5 = 1;
button6 = 1;
button7 = 1;
button8 = 1;
button9 = 1;
playerTurn = 1;
roundComplete = 0;
} else if (eventName.equals ("CLICKClearAll")) {
btnButton1.setText("");
btnButton2.setText("");
btnButton3.setText("");
btnButton4.setText("");
btnButton5.setText("");
btnButton6.setText("");
btnButton7.setText("");
btnButton8.setText("");
btnButton9.setText("");
firstPlayerScore = 0;
lblFirstPlayerScore.setText("Score: " + firstPlayerScore);
secondPlayerScore = 0;
lblSecondPlayerScore.setText("Score: " + secondPlayerScore);
txtEnterFirstPlayerName.setText("");
txtEnterSecondPlayerName.setText("");
button1 = 1;
button2 = 1;
button3 = 1;
button4 = 1;
button5 = 1;
button6 = 1;
button7 = 1;
button8 = 1;
button9 = 1;
playerTurn = 1;
roundComplete = 0;
} else if (eventName.equals ("CLICKCloseGame")) {
System.exit(0);
}
score();
}
public static void score(){
if (roundComplete == 0){
if (btnButton1.getText().equals(btnButton2.getText()) && btnButton1.getText().equals(btnButton3.getText())){
if (btnButton1.getText().equals("X")){
firstPlayerScore += 1;
lblFirstPlayerScore.setText("Score: " + firstPlayerScore);
roundComplete = 1;
} else if (btnButton1.getText().equals("O")){
secondPlayerScore += 1;
lblSecondPlayerScore.setText("Score: " + secondPlayerScore);
roundComplete = 1;
}
}
if (btnButton1.getText().equals(btnButton4.getText()) && btnButton1.getText().equals(btnButton7.getText())){
if (btnButton1.getText().equals("X")){
firstPlayerScore += 1;
lblFirstPlayerScore.setText("Score: " + firstPlayerScore);
roundComplete = 1;
} else if (btnButton1.getText().equals("O")){
secondPlayerScore += 1;
lblSecondPlayerScore.setText("Score: " + secondPlayerScore);
roundComplete = 1;
}
}
if (btnButton1.getText().equals(btnButton5.getText()) && btnButton1.getText().equals(btnButton9.getText())){
if (btnButton1.getText().equals("X")){
firstPlayerScore += 1;
lblFirstPlayerScore.setText("Score: " + firstPlayerScore);
roundComplete = 1;
} else if (btnButton1.getText().equals("O")){
secondPlayerScore += 1;
lblSecondPlayerScore.setText("Score: " + secondPlayerScore);
roundComplete = 1;
}
}
if (btnButton7.getText().equals(btnButton8.getText()) && btnButton7.getText().equals(btnButton9.getText())){
if (btnButton7.getText().equals("X")){
firstPlayerScore += 1;
lblFirstPlayerScore.setText("Score: " + firstPlayerScore);
roundComplete = 1;
} else if (btnButton7.getText().equals("O")){
secondPlayerScore += 1;
lblSecondPlayerScore.setText("Score: " + secondPlayerScore);
roundComplete = 1;
}
}
if (btnButton7.getText().equals(btnButton5.getText()) && btnButton7.getText().equals(btnButton3.getText())){
if (btnButton7.getText().equals("X")){
firstPlayerScore += 1;
lblFirstPlayerScore.setText("Score: " + firstPlayerScore);
roundComplete = 1;
} else if (btnButton7.getText().equals("O")){
secondPlayerScore += 1;
lblSecondPlayerScore.setText("Score: " + secondPlayerScore);
roundComplete = 1;
}
}
if (btnButton3.getText().equals(btnButton6.getText()) && btnButton3.getText().equals(btnButton9.getText())){
if (btnButton3.getText().equals("X")){
firstPlayerScore += 1;
lblFirstPlayerScore.setText("Score: " + firstPlayerScore);
roundComplete = 1;
} else if (btnButton3.getText().equals("O")){
secondPlayerScore += 1;
lblSecondPlayerScore.setText("Score: " + secondPlayerScore);
roundComplete = 1;
}
}
if (btnButton4.getText().equals(btnButton5.getText()) && btnButton4.getText().equals(btnButton6.getText())){
if (btnButton4.getText().equals("X")){
firstPlayerScore += 1;
lblFirstPlayerScore.setText("Score: " + firstPlayerScore);
roundComplete = 1;
} else if (btnButton4.getText().equals("O")){
secondPlayerScore += 1;
lblSecondPlayerScore.setText("Score: " + secondPlayerScore);
roundComplete = 1;
}
}
if (btnButton2.getText().equals(btnButton5.getText()) && btnButton2.getText().equals(btnButton8.getText())){
if (btnButton2.getText().equals("X")){
firstPlayerScore += 1;
lblFirstPlayerScore.setText("Score: " + firstPlayerScore);
roundComplete = 1;
} else if (btnButton2.getText().equals("O")){
secondPlayerScore += 1;
lblSecondPlayerScore.setText("Score: " + secondPlayerScore);
roundComplete = 1;
}
}
}
if (roundComplete == 1){
button1 = 0;
button2 = 0;
button3 = 0;
button4 = 0;
button5 = 0;
button6 = 0;
button7 = 0;
button8 = 0;
button9 = 0;
}
}
/**
* Create and show the GUI.
*/
private static void runGUI() {
ticTacToeCallum greeting = new ticTacToeCallum();
}
//Do not change this method
public static void main(String[] args) {
/* Methods that create and show a GUI should be run from an event-dispatching thread */
javax.swing.SwingUtilities.invokeLater(new Runnable() {
public void run() {
runGUI();
}
});
}
}
import javax.swing.*;
import javax.swing.border.Border;
import java.awt.*;
public class TicTacToe {
private static int turnNumber = 0;
private static final JPanel panel = new JPanel();
private static final JTextField ta = new JTextField("Player A's Turn (X)");
private static final JButton r1c1 = new JButton("");
private static final JButton r1c2 = new JButton("");
private static final JButton r1c3 = new JButton("");
private static final JButton r2c1 = new JButton("");
private static final JButton r2c2 = new JButton("");
private static final JButton r2c3 = new JButton("");
private static final JButton r3c1 = new JButton("");
private static final JButton r3c2 = new JButton("");
private static final JButton r3c3 = new JButton("");
private static final JButton restart = new JButton("New Game");
private static final JPanel startMain = new JPanel();
public static void main(String[]args){
JFrame frame = new JFrame("Tic Tac Toe");
frame.setSize(600,650);
ta.setEditable(false);
restart.addActionListener(e -> {
enableAll();
ta.setText("Player A's Turn (X)");
});
r1c1.setSize(67,67);
r1c1.setFont(new Font("Trebuchet MS", Font.PLAIN, 70));
r1c1.addActionListener(e -> {
turnNumber++;
if(turnNumber % 2 == 0){
r1c1.setText("O");
r1c1.setEnabled(false);
ta.setText("Player A's Turn (X)");
}else{
r1c1.setText("X");
r1c1.setEnabled(false);
ta.setText("Player B's Turn (O)");
}
checkWin();
});
r1c2.setSize(67,67);
r1c2.setFont(new Font("Trebuchet MS", Font.PLAIN, 70));
r1c2.addActionListener(e -> {
turnNumber++;
if(turnNumber % 2 == 0){
r1c2.setText("O");
r1c2.setEnabled(false);
ta.setText("Player A's Turn (X)");
}else{
r1c2.setText("X");
r1c2.setEnabled(false);
ta.setText("Player B's Turn (O)");
}
checkWin();
});
r1c3.setSize(67,67);
r1c3.setFont(new Font("Trebuchet MS", Font.PLAIN, 70));
r1c3.addActionListener(e -> {
turnNumber++;
if(turnNumber % 2 == 0){
r1c3.setText("O");
r1c3.setEnabled(false);
ta.setText("Player A's Turn (X)");
}else{
r1c3.setText("X");
r1c3.setEnabled(false);
ta.setText("Player B's Turn (O)");
}
checkWin();
});
r2c1.setSize(67,67);
r2c1.setFont(new Font("Trebuchet MS", Font.PLAIN, 70));
r2c1.addActionListener(e -> {
turnNumber++;
if(turnNumber % 2 == 0){
r2c1.setText("O");
r2c1.setEnabled(false);
ta.setText("Player A's Turn (X)");
}else{
r2c1.setText("X");
r2c1.setEnabled(false);
ta.setText("Player B's Turn (O)");
}
checkWin();
});
r2c2.setSize(67,67);
r2c2.setFont(new Font("Trebuchet MS", Font.PLAIN, 70));
r2c2.addActionListener(e -> {
turnNumber++;
if(turnNumber % 2 == 0){
r2c2.setText("O");
r2c2.setEnabled(false);
ta.setText("Player A's Turn (X)");
}else{
r2c2.setText("X");
r2c2.setEnabled(false);
ta.setText("Player B's Turn (O)");
}
checkWin();
});
r2c3.setSize(67,67);
r2c3.setFont(new Font("Trebuchet MS", Font.PLAIN, 70));
r2c3.addActionListener(e -> {
turnNumber++;
if(turnNumber % 2 == 0){
r2c3.setText("O");
r2c3.setEnabled(false);
ta.setText("Player A's Turn (X)");
}else{
r2c3.setText("X");
r2c3.setEnabled(false);
ta.setText("Player B's Turn (O)");
}
checkWin();
});
r3c1.setSize(67,67);
r3c1.setFont(new Font("Trebuchet MS", Font.PLAIN, 70));
r3c1.addActionListener(e -> {
turnNumber++;
if(turnNumber % 2 == 0){
r3c1.setText("O");
r3c1.setEnabled(false);
ta.setText("Player A's Turn (X)");
}else{
r3c1.setText("X");
r3c1.setEnabled(false);
ta.setText("Player B's Turn (O)");
}
checkWin();
});
r3c2.setSize(67,67);
r3c2.setFont(new Font("Trebuchet MS", Font.PLAIN, 70));
r3c2.addActionListener(e -> {
turnNumber++;
if(turnNumber % 2 == 0){
r3c2.setText("O");
r3c2.setEnabled(false);
ta.setText("Player A's Turn (X)");
}else{
r3c2.setText("X");
r3c2.setEnabled(false);
ta.setText("Player B's Turn (O)");
}
checkWin();
});
r3c3.setSize(67,67);
r3c3.setFont(new Font("Trebuchet MS", Font.PLAIN, 70));
r3c3.addActionListener(e -> {
turnNumber++;
if(turnNumber % 2 == 0){
r3c3.setText("O");
r3c3.setEnabled(false);
ta.setText("Player A's Turn (X)");
}else{
r3c3.setText("X");
r3c3.setEnabled(false);
ta.setText("Player B's Turn (O)");
}
checkWin();
});
panel.setLayout(new GridLayout(3,3));
panel.add(r1c1);
panel.add(r1c2);
panel.add(r1c3);
panel.add(r2c1);
panel.add(r2c2);
panel.add(r2c3);
panel.add(r3c1);
panel.add(r3c2);
panel.add(r3c3);
startMain.setLayout(new GridLayout(5,5));
JButton start = new JButton("Start");
JLabel main = new JLabel("Tic Tac Toe", SwingConstants.CENTER);
main.setFont(new Font("Trebuchet MS", Font.PLAIN, 70));
main.setSize(400,400);
startMain.add(main);
startMain.add(start);
frame.add(startMain);
frame.setVisible(true);
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
start.addActionListener(e -> {
startMain.setVisible(false);
frame.add(restart, BorderLayout.PAGE_START);
frame.add(ta, BorderLayout.PAGE_END);
frame.add(panel, BorderLayout.CENTER);
});
}
public static void checkWin(){
if(r1c1.getText().equals("X") && r1c2.getText().equals("X") && r1c3.getText().equals("X")){
ta.setText("Player A Won! (X)");
disableAll();
}else if(r1c1.getText().equals("O") && r1c2.getText().equals("O") && r1c3.getText().equals("O")){
ta.setText("Player B Won! (O)");
disableAll();
}else if(r1c1.getText().equals("X") && r2c2.getText().equals("X") && r3c3.getText().equals("X")){
ta.setText("Player A Won! (X)");
disableAll();
}else if(r1c1.getText().equals("O") && r2c2.getText().equals("O") && r3c3.getText().equals("O")){
ta.setText("Player B Won! (O)");
disableAll();
}else if(r1c1.getText().equals("X") && r2c1.getText().equals("X") && r3c1.getText().equals("X")){
ta.setText("Player A Won! (X)");
disableAll();
}else if(r1c1.getText().equals("O") && r2c1.getText().equals("O") && r3c1.getText().equals("O")){
ta.setText("Player B Won! (O)");
disableAll();
}else if(r2c1.getText().equals("X") && r2c2.getText().equals("X") && r2c3.getText().equals("X")){
ta.setText("Player A Won! (X)");
disableAll();
}else if(r2c1.getText().equals("O") && r2c2.getText().equals("O") && r2c3.getText().equals("O")){
ta.setText("Player B Won! (O)");
disableAll();
}else if(r1c2.getText().equals("X") && r2c2.getText().equals("X") && r3c2.getText().equals("X")){
ta.setText("Player A Won! (X)");
disableAll();
}else if(r1c2.getText().equals("O") && r2c2.getText().equals("O") && r3c2.getText().equals("O")){
ta.setText("Player B Won! (O)");
disableAll();
}else if(r1c3.getText().equals("X") && r2c3.getText().equals("X") && r3c3.getText().equals("X")){
ta.setText("Player A Won! (X)");
disableAll();
}else if(r1c3.getText().equals("O") && r2c3.getText().equals("O") && r3c3.getText().equals("O")){
ta.setText("Player B Won! (O)");
disableAll();
}else if(r3c1.getText().equals("X") && r3c2.getText().equals("X") && r3c3.getText().equals("X")){
ta.setText("Player A Won! (X)");
disableAll();
}else if(r3c1.getText().equals("O") && r3c2.getText().equals("O") && r3c3.getText().equals("O")){
ta.setText("Player B Won! (O)");
disableAll();
}else if(r3c1.getText().equals("X") && r2c2.getText().equals("X") && r1c3.getText().equals("X")){
ta.setText("Player A Won! (X)");
disableAll();
}else if(r3c1.getText().equals("O") && r2c2.getText().equals("O") && r1c3.getText().equals("O")){
ta.setText("Player B Won! (O)");
disableAll();
}else if(!r1c1.isEnabled() && !r1c2.isEnabled() && !r1c3.isEnabled() && !r2c1.isEnabled() && !r2c2.isEnabled() && !r2c3.isEnabled() && !r3c1.isEnabled() && !r3c2.isEnabled() && !r3c3.isEnabled()){
ta.setText("Draw!");
disableAll();
}
}
public static void disableAll(){
r1c1.setEnabled(false);
r1c2.setEnabled(false);
r1c3.setEnabled(false);
r2c1.setEnabled(false);
r2c2.setEnabled(false);
r2c3.setEnabled(false);
r3c1.setEnabled(false);
r3c2.setEnabled(false);
r3c3.setEnabled(false);
}
public static void enableAll(){
turnNumber = 0;
r1c1.setEnabled(true);
r1c2.setEnabled(true);
r1c3.setEnabled(true);
r2c1.setEnabled(true);
r2c2.setEnabled(true);
r2c3.setEnabled(true);
r3c1.setEnabled(true);
r3c2.setEnabled(true);
r3c3.setEnabled(true);
r1c1.setText("");
r1c2.setText("");
r1c3.setText("");
r2c1.setText("");
r2c2.setText("");
r2c3.setText("");
r3c1.setText("");
r3c2.setText("");
r3c3.setText("");
panel.setEnabled(true);
}
}
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