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TIC TAC TOE GAME IN JAVA (CONSOLE)


SOURCE CODE


import java.util.Scanner;
class TicTacToe {

    public static void main(String[] args) {
        char[][] main = new char[3][3];
        
        for(int i=0; i<3; i++){
            for(int j=0; j<3; j++){
                main[i][j]=' ';
            }
        }
        
        for(int i=0; i<4; i++){
            if(input(main, 'O')){
                return;
            }
            if(input(main, 'X')){
                return;
            }
        }

        //1st user will get an additional chance
        if(input(main, 'O')){
            return;
        }
        System.out.println("The game is tie!");
    }
    
    //----------taking the input from 2 users
    public static boolean input(char arr[][],char c){
        Scanner input = new Scanner(System.in);
        int row,column;
        
        System.out.print("'"+c+"' choose your location(row,column): ");
        row = input.nextInt();
        column = input.nextInt();
        while(arr[row][column]!=' '){
            System.out.print("Location Unavailable. Choose another location(row,column).");
            row = input.nextInt();
            column = input.nextInt();
        }
        arr[row][column]=c;

        if(display(arr)){
            return true;
        }
        return false;
    }
    
    //------------method to display the 2D array after each input   
    public static boolean display(char arr[][]){
        for(int i=0; i<3; i++){
            for(int j=0; j<3; j++){
                System.out.print(arr[i][j]);
            }
            System.out.println();
        }
        //checked for each input whether a player has gotten 3 in a row
        if(check(arr)){
            return true;
        }
        return false;
    }
    
    //-------------checking if a player has gotten 3 in a row
    public static boolean check(char arr[][]) {
        for(int i=0; i<3; i++){
            if((arr[i][0]==arr[i][1] && arr[i][0]==arr[i][2]) && arr[i][0]!=' '){
                System.out.println(arr[i][0]+" WINS!");
                return true;
            }
            else if(arr[0][i]==arr[1][i] && arr[2][i]==arr[0][i] && arr[0][i]!=' '){
                    System.out.println(arr[0][i]+" WINS!");
                    return true;
                }
            else if(arr[0][0]==arr[1][1] && arr[0][0]==arr[2][2] && arr[i][i]!=' '){
                    System.out.println(arr[0][i]+" WINS!");
                    return true;
                }
else if(arr[0][2]==arr[1][1] && arr[1][1]==arr[2][0] && arr[1][1]!=' '){
                        System.out.println(arr[0][i]+" WINS!");
                        return true;
                    }
        }
        return false;
    }

}

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