I need help creating a Tic-Tac-Toe game programmed in JAVA . The game has to be

Question

I need help creating a Tic-Tac-Toe game programmed in JAVA. The game has to be a player vs computer (artificial intelligence) Tic-Tac-Toe. The board has to be 1D (one-dimension).

Requirements:

1. Computer (artificial intelligence) must be aggressive and take every opportunity to win the game, block the user from winning and if the human makes a mistake, then the computer will capitalize on it and win if possible

2. Don't use infinite loops: for(;;) while (true) nor use break statements to exit loops.

Explanation / Answer

Answer:

import java.util.*;

public class TicTacToeGame
{
private int counter;
private char location[]=new char[10];
private char player;
  
  
public static void main(String args[])
{
String ch;
TicTacToeGame Toe=new TicTacToeGame();
do{
Toe.beginBoard();
Toe.play_game();
System.out.println ("Press Y to play the game again ");
Scanner in =new Scanner(System.in);
ch=in.nextLine();
System.out.println("ch value is "+ch);
}while (ch.equals("Y"));
  
  
}
public void beginBoard()
{
  
char locationdef[] = {'0','1', '2', '3', '4', '5', '6', '7', '8', '9'};
int i;
counter = 0;
player = 'X';
for (i=1; i<10; i++) location[i]=locationdef[i];
presentBoard();
  
  
}
public String presentBoard()
{
System.out.println( " " );
System.out.println( " " );
System.out.println( " " + location [1] + " | " +location [2]+ " | " +location [3]);
System.out.println( " | | " );
System.out.println( " ___|____|___ " );
System.out.println( " " +location [4]+ " | " +location [5]+ " | " +location [6]);
System.out.println( " | | " );
System.out.println( " ___|____|___ " );
System.out.println( " " +location [7]+ " | " +location [8]+ " | " +location [9]);
System.out.println( " | | " );
System.out.println( " | | " );
System.out.println( " " );
return "presentBoard";
}
  
public void play_game()
{
int spot;
char blank = ' ';
  
System.out.println( "Player " + getPlayer() +" will go first and be the letter 'X'" );
  
do {
presentBoard();
  
System.out.println( " Player " + getPlayer() +" choose a location." );
  
boolean posTaken = true;
while (posTaken) {
  
Scanner in =new Scanner (System.in);
spot=in.nextInt();
posTaken = checklocation(spot);
if(posTaken==false)
location[spot]=getPlayer();
}
  
System.out.println( "Nice move." );
  
presentBoard();
  
nextPlayer();
}while ( getWinner() == blank );
  
}
  
public char getWinner()
{
char Winner = ' ';
  
  
if (location[1] == 'X' && location[2] == 'X' && location[3] == 'X') Winner = 'X';
if (location[4] == 'X' && location[5] == 'X' && location[6] == 'X') Winner = 'X';
if (location[7] == 'X' && location[8] == 'X' && location[9] == 'X') Winner = 'X';
if (location[1] == 'X' && location[4] == 'X' && location[7] == 'X') Winner = 'X';
if (location[2] == 'X' && location[5] == 'X' && location[8] == 'X') Winner = 'X';
if (location[3] == 'X' && location[6] == 'X' && location[9] == 'X') Winner = 'X';
if (location[1] == 'X' && location[5] == 'X' && location[9] == 'X') Winner = 'X';
if (location[3] == 'X' && location[5] == 'X' && location[7] == 'X') Winner = 'X';
if (Winner == 'X' )
{System.out.println("Player1 wins the game." );
return Winner;
}
  
  
if (location[1] == 'O' && location[2] == 'O' && location[3] == 'O') Winner = 'O';
if (location[4] == 'O' && location[5] == 'O' && location[6] == 'O') Winner = 'O';
if (location[7] == 'O' && location[8] == 'O' && location[9] == 'O') Winner = 'O';
if (location[1] == 'O' && location[4] == 'O' && location[7] == 'O') Winner = 'O';
if (location[2] == 'O' && location[5] == 'O' && location[8] == 'O') Winner = 'O';
if (location[3] == 'O' && location[6] == 'O' && location[9] == 'O') Winner = 'O';
if (location[1] == 'O' && location[5] == 'O' && location[9] == 'O') Winner = 'O';
if (location[3] == 'O' && location[5] == 'O' && location[7] == 'O') Winner = 'O';
if (Winner == 'O' )
{
System.out.println( "Player2 wins the game." );
return Winner; }
  

for(int i=1;i<10;i++)
{
if(location[i]=='X' || location[i]=='O')
{
if(i==9)
{
char Draw='D';
System.out.println(" Game is stalemate ");
return Draw;
}
continue;
}
else
break;
  
}
  
return Winner;
}
  
public boolean checklocation(int spot)
{
  
  
if (location[spot] == 'X' || location[spot] == 'O')
{
System.out.println("That location is already taken, please choose another");
return true;
}
else {
return false;
}
  
  
  
}
  
  
  
public void nextPlayer()
{
if (player == 'X')
player = 'O';
else player = 'X';
  
}
  
public String getTitle()
{
return "Tic Tac Toe" ;
}
  
public char getPlayer()
{
return player;
}
  
}

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