int[] newboard = new int[25];
    int j = 0;
    for (int i=0; i<25;i=++){
        char state = boardAsString.charAt(i);
        if (j < 25){
        if (state == 'O'){
        newboard[j] = 0;
        j += 5;
        }
        else
        newboard[j]=1;
        j +=5;
        }
    }