tic tac toe - Printable Version

Code:
package tictactoe;
import java.util.Random;
import java.util.Scanner;
public class TicTacToe {

    public static void viewBoard(char board[]){
System.out.println("|"+board[0]+"|"+board[1]+"|"+board[2]+"|");
System.out.println("|"+board[3]+"|"+board[4]+"|"+board[5]+"|");
System.out.println("|"+board[6]+"|"+board[7]+"|"+board[8]+"|");
}
public static int whoStart(){
    int turn;
    int rand=new Random().nextInt(2);
    
    if(rand==1){return turn=1;}
    return turn=2;
 
}
public static int makeMove(char board[],int turn,int box){
    if(turn%2==0){board[box]='o';}
    else{board[box]='x';
}
    return box;
}
public static boolean isValidMove(char board[],int box){
    if ((board[box]=='x')||(board[box]=='o')){return true;
        
    }
    return false;
    
}

public static boolean checkWin(char board[]){
    //first horizontal line
    if(((board[0]==board[1])&&(board[1]==board[2])&&(board[2]=='o'))||
    ((board[0]==board[1])&&(board[1]==board[2])&&(board[2]=='x'))||
    //seconde horizontal line
    ((board[3]==board[4])&&(board[4]==board[5])&&(board[5]=='o'))||
    ((board[3]==board[4])&&(board[4]==board[5])&&(board[5]=='x'))||
    //third horizontal line
    ((board[6]==board[7])&&(board[7]==board[8])&&(board[8]=='o'))||
    ((board[6]==board[7])&&(board[7]==board[8])&&(board[8]=='x'))||
    //first vertical line
    ((board[0]==board[3])&&(board[3]==board[6])&&(board[6]=='o'))||
   ((board[0]==board[3])&&(board[3]==board[6])&&(board[6]=='x'))||
    //seconde vertical line
    ((board[1]==board[4])&&(board[4]==board[7])&&(board[7]=='o'))||
   ((board[1]==board[4])&&(board[4]==board[7])&&(board[7]=='x'))||
    //third vertical line
  ((board[2]==board[5])&&(board[5]==board[8])&&(board[8]=='o'))||
    ((board[2]==board[5])&&(board[5]==board[8])&&(board[8]=='x'))||
    //first diagonal line
     ((board[0]==board[4])&&(board[4]==board[8])&&(board[8]=='o'))||
     ((board[0]==board[4])&&(board[4]==board[8])&&(board[8]=='x'))||
     //seconde diagonal line
     ((board[6]==board[4])&&(board[4]==board[2])&&(board[2]=='o')))
     
    {return true;}
    return false;
}
    public static void main(String[] args) {
Scanner in=new Scanner(System.in);
char board[]={'0','1','2','3','4','5','6','7','8'};
        System.out.println("enter player 1 name");
String player1Name=in.nextLine();
System.out.println("enter player 2 name");
String player2Name=in.nextLine();
viewBoard(board);
System.out.println(whoStart());
int turn=whoStart();int counter=0;
  do{      System.out.println("choose box number");
    int box=in.nextInt();
    while(isValidMove(board,box)){
System.out.println("choose another box");
box=in.nextInt();}
    makeMove(board,turn,box);
    viewBoard(board);
    turn++;
    counter++;
  }
  while ((counter<9)&&(checkWin(board)==false));
          }