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

class InOut {

    public static int [] readIntegers (String filename) {
    ArrayList<Integer> l = new ArrayList<Integer> ();
    try {
        File f = new File (filename);
        FileReader r = new FileReader (f);
        BufferedReader b = new BufferedReader (r);
        String s = b.readLine ();
        while (s != null) {
        l.add (Integer.parseInt (s));
        s = b.readLine ();
        }
        b.close();
    }
    catch (Exception e) {
        e.printStackTrace ();
    }
    int [] num = new int [l.size ()];
    for (int i = 0; i < l.size (); i++) {
        num [i] = l.get (i);
    }
    return num;
    }

    public static double [] readDoubles (String filename) {
    ArrayList<Double> d = new ArrayList<Double> ();
    try {
        File f = new File (filename);
        FileReader r = new FileReader (f);
        BufferedReader b = new BufferedReader (r);
        String s = b.readLine ();
        while (s != null) {
        d.add (Double.parseDouble (s));
        s = b.readLine ();
        }
        b.close();
    }
    catch (Exception e) {
        e.printStackTrace ();
    }
    double [] num = new double [d.size ()];
    for (int i = 0; i < d.size (); i++) {
        num [i] = d.get (i);
    }
    return num;
    }

    public static String [] readStrings (String filename) {
    ArrayList<String> w = new ArrayList<String> ();

    try {
        File f = new File (filename);
        FileReader r = new FileReader (f);
        BufferedReader b = new BufferedReader (r);
        String s = b.readLine ();
        while (s != null) {
        w.add (s);
        s = b.readLine ();
        }
        b.close();
    }
    catch (Exception e) {
        e.printStackTrace ();
    }

    String [] ws = new String [w.size ()];
    for (int i = 0; i < w.size (); i++) {
        ws [i] = w.get (i);
    }

    return ws;
    }

    public static void writeIntegersToFile (String filename, int [] num) {
    try {
        File f = new File (filename);
        FileWriter w = new FileWriter (f);
        BufferedWriter b = new BufferedWriter (w);
        for (int i = 0; i < num.length; i++) {
        b.write (num [i] + "\n");
        }
        b.close ();

    }
    catch (Exception e) {
        e.printStackTrace ();
    }
    }

    public static void writeDoublesToFile (String filename, double [] d) {
    try {
        File f = new File (filename);
        FileWriter w = new FileWriter (f);
        BufferedWriter b = new BufferedWriter (w);
        for (int i = 0; i < d.length; i++) {
        b.write (d [i] + "\n");
        }
        b.close ();

    }
    catch (Exception e) {
        e.printStackTrace ();
    }
    }

    public static void writeStringsToFile (String filename, String [] words) {
    try {
        File f = new File (filename);
        FileWriter w = new FileWriter (f);
        BufferedWriter b = new BufferedWriter (w);
        for (int i = 0; i < words.length; i++) {
        b.write (words [i] + "\n");
        }
        b.close ();

    }
    catch (Exception e) {
        e.printStackTrace ();
    }

    }

    public static int [] ReadIntegerFile()
    {// Read integers
    int [] getallen = readIntegers ("getallen.txt");
    for (int i = 0; i < getallen.length; i++) {
        System.out.println (getallen [i]);
    }
    return getallen;
    }

    public static double [] ReadDoubleFile()
    {// Read doubles
        double [] d = readDoubles ("doubles.txt");
        for (int i = 0; i < d.length; i++) {
            System.out.println ("d [" + i + "] = \"" + d [i] + "\"");
        }
        return d;
    }

    public static String [] ReadWordFile()
    {   // Read strings
        String [] woorden = readStrings ("words.txt");
        for (int i = 0; i < woorden.length; i++) {
            System.out.println ("woord [" + i + "] = \"" + woorden [i] + "\"");
        }
        return woorden;
    }

    public static void main (String [] args) {

 // Declaration of Variables to be used
    int [] numbers;
    double [] realnumbers;
    String [] words;


 // Read Input Files
 //   numbers =readIntegers("getallen.txt");
 //   realnumbers =readDoubles("doubles.txt");
 //   words = readStrings("TEST.txt");

 //MAIN
      //WRITE YOUR NEW PROGRAM HERE




// Write integers, words and doubles to output files
//writeStringsToFile ("newwords.txt", words);
//writeIntegersToFile ("newintegers.txt", numbers);
//writeDoublesToFile ("newdoubles.txt", realnumbers);


    }
}