private Ball golf;
// declare other balls here

public void main(int[] args)
{
    golf = new Ball("golfball", "white", "hard", 1);
    // do the same for the other balls

    // print to the console the values of each ball
    PrintOutBallValues();
    // take in input from user


    // print the new values of each Ball
    PrintOutBallValues();
}

public void PrintOutBallValues()
{
    // print out each ball's value
}

public void GetUserValues()
{
    // get and set each ball's value from user input
}