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]);
   }
}