File I/O Advice needed....

Which the latest file i/o mechanism to use?

I know this doesn't matter but I think I have mixed up the version
mechanisms,

Thanks,
Peter

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import java.util.Random;
import java.io.*;

public class Goody
{
    public static void main(String[] args)
    {
        Goody a = new Goody();
        a.theStart(args[0]);
    }

    void theStart(String temp)
    {
    int numbersRequired = Integer.parseInt(temp);
    int[] tempNumbers = new int [numbersRequired];

    try {
        /*FileOutputStream fos = new FileOutputStream ("E:/Temp/
data.text");

        for(int i = 0; i < numbersRequired; i++)
            new PrintStream(fos).println(new Random().nextInt(214));

        fos.close();*/
        //The above code also works

        PrintWriter out = new PrintWriter(new FileWriter("E:/Temp/
data.text"));

        for(int i = 0; i < numbersRequired; i++)
            out.println( new Random().nextInt(214));
        out.close();

        BufferedReader in = new BufferedReader(new FileReader("E:/Temp/
data.text"));

        for(int i = 0; i < numbersRequired; i++)
            tempNumbers[i] = Integer.parseInt(in.readLine());

        in.close();
        }
    catch(Exception e)
    {
    }

    for(int j = 0; j < numbersRequired; j++)
        System.out.println(j + ":" + tempNumbers[j]);
    }
}