What is the output of the following JAVA program? class

What is the output of the following JAVA program?

class simple
{
    public static void main(String[] args)
    {
        simple obj = new simple();
        obj.start();
    }
    void start()
    {
        long[] P = {3, 4, 5};
        long[] Q = method(P);
        System.out.print(P[0] + P[1] + P[2] + ":");
        System.out.print(Q[0] + Q[1] + Q[2]);
    }
    long[] method(long[] R)
    {
        R[1] = 7;
        return R;
    }
} // end of class