import java.io.*; import java.util.Vector; public class ListOfNumbers2 { private Vector victor; private static final int size = 10; public ListOfNumbers2() { victor = new Vector(size); for (int i = 0; i < size; i++) victor.addElement(new Integer(i)); this.readList("infile.txt"); this.writeList(); } public void readList(String fileName) { String line = null; try { RandomAccessFile raf = new RandomAccessFile(fileName, "r"); while ((line = raf.readLine()) != null) { Integer i = new Integer(Integer.parseInt(line)); System.out.println(i); victor.addElement(i); } } catch(FileNotFoundException fnf) { System.err.println("File: " + fileName + " not found."); } catch (IOException io) { System.err.println(io.toString()); } } public void writeList() { PrintWriter out = null; try { out = new PrintWriter(new FileWriter("outfile.txt")); for (int i = 0; i < victor.size(); i++) out.println("Value at: " + i + " = " + victor.elementAt(i)); } catch (ArrayIndexOutOfBoundsException e) { System.err.println("Caught ArrayIndexOutOfBoundsException: " + e.getMessage()); } catch (IOException e) { System.err.println("Caught IOException: " + e.getMessage()); } finally { if (out != null) { System.out.println("Closing PrintWriter"); out.close(); } else { System.out.println("PrintWriter not open"); } } } public static void main(String[] args) { new ListOfNumbers2(); } }