if (solution[i].equals(colors[0][i]))
{
    s = "1" + s;
}
else
{
        for (int j = 0; j < 4; j++)
    {
            if (colors[0][j].equals(solution[j]))
        {
                        inSolution = true;
        }
    }
         //close for loop and if statement
        if (inSolution)
    {
                s = s + "0";
        inSolution = false;
        }
    else
    {
        s = s + "2";
        }
}