Exemplo n.º 1
0
  public static void main(String[] args) throws IOException {
    int num = 0;
    int guess = -1;
    int answer;
    String name;
    String line;
    String result;
    String scorefile = "highscores_java";

    BufferedReader stdin = new BufferedReader(new InputStreamReader(System.in));

    System.out.println("guess.java - Guess a number between 1 and 100\n");

    // generate random number
    java.util.Random generator = new java.util.Random(System.currentTimeMillis());
    answer = generator.nextInt() / 42949673 + 50;

    // play game
    while (guess != answer) {
      num++;
      System.out.print("Enter guess " + num + ": ");
      result = stdin.readLine();
      guess = Integer.parseInt(result);
      if (guess < answer) {
        System.out.println("Higher...");
      } else if (guess > answer) {
        System.out.println("Lower...");
      }
    }
    System.out.println("Correct! That took " + num + " guesses.\n");

    // save high score
    System.out.print("Please enter your name: ");
    name = stdin.readLine();
    try {
      BufferedWriter outfile = new BufferedWriter(new FileWriter(scorefile, true));
      outfile.write(name + " " + num + "\n");
      outfile.close();
    } catch (IOException exception) {
      System.out.println("ERROR: Can't read from " + scorefile + "\n");
    }

    // print high scores
    try {
      BufferedReader infile = new BufferedReader(new FileReader(scorefile));
      while ((line = infile.readLine()) != null) {
        System.out.println(line);
      }
      infile.close();
    } catch (IOException exception) {
      System.out.println("ERROR: Can't read from " + scorefile + "\n");
    }
  }
Exemplo n.º 2
0
  public Duder(String args[]) {

    getConnected(args);

    play();

    try {
      sin.close();
      sout.close();
      s.close();
    } catch (IOException e) {
      System.out.println(e);
    }
  }
Exemplo n.º 3
0
  private void goGet(String host, int port, String contextPath) throws Exception {

    sock = new Socket(host, port);
    OutputStream os = sock.getOutputStream();

    System.out.println(("GET " + contextPath + " HTTP/1.0\n"));
    os.write(("GET " + contextPath + " HTTP/1.0\n").getBytes());
    os.write("\n".getBytes());

    InputStream is = null;
    BufferedReader bis = null;
    String line = null;
    boolean pass = false;
    try {
      is = sock.getInputStream();
      bis = new BufferedReader(new InputStreamReader(is));
      while ((line = bis.readLine()) != null) {
        System.out.println(line);
        // Check if the filter was invoked
        if (EXPECTED_RESPONSE.equals("LLiFFiSSi")) {
          pass = true;
          break;
        }
      }
    } finally {
      try {
        if (is != null) {
          is.close();
        }
      } catch (IOException ioe) {
        // ignore
      }
      try {
        if (bis != null) {
          bis.close();
        }
      } catch (IOException ioe) {
        // ignore
      }
    }

    if (pass) {
      System.out.println("security constraint processed");
      stat.addStatus(TEST_NAME + " PASSED", stat.PASS);
    } else {
      System.out.println("security constraint NOT processed");
      stat.addStatus(TEST_NAME + " FAILED", stat.FAIL);
    }
  }
Exemplo n.º 4
0
  public static void main(String[] args) throws IOException {
    BufferedReader in = new BufferedReader(new FileReader("numtri.in"));
    PrintWriter out = new PrintWriter(new FileWriter("numtri.out"));

    int r = Integer.parseInt(in.readLine());
    final int LEN = r;
    int[] weights = new int[LEN];

    weights[0] = Integer.parseInt(in.readLine());

    search(weights, in, 1);
    insertionSort(weights, r);

    out.println(weights[r - 1]);
    in.close();
    out.close();
    System.exit(0);
  }
Exemplo n.º 5
0
  public void doGet(HttpServletRequest req, HttpServletResponse res)
      throws ServletException, IOException {
    res.setContentType("text/html");
    PrintWriter out = res.getWriter();
    int i, j;
    String amount = req.getParameter("amount");
    String from = req.getParameter("from");
    String to = req.getParameter("to");
    String ch = req.getParameter("choice");
    String answer, answer1, answer2, answer3;

    if ("INFO".equals(ch)) {
      Redirect_info newurl = (Redirect_info) getServletContext().getAttribute("redirect");
      res.sendRedirect(newurl.getUrl());
    } else {
      out.println("<html>");
      out.println("<title>Currency Converter</title>");
      String addr = "http://www.google.com/ig/calculator?hl=en&q=" + amount + from + "=?" + to;
      URL convert = new URL(addr);
      BufferedReader in = new BufferedReader(new InputStreamReader(convert.openStream()));
      answer = in.readLine();
      answer = new String(answer.getBytes("ISO-8859-1"), "ISO-8859-7");
      from = new String(from.getBytes("ISO-8859-1"), "ISO-8859-7");
      to = new String(to.getBytes("ISO-8859-1"), "ISO-8859-7");
      amount = new String(amount.getBytes("ISO-8859-1"), "ISO-8859-7");

      in.close();
      i = answer.indexOf('"');
      answer = answer.substring(i + 1);
      i = answer.indexOf('"');
      answer = answer.substring(i + 1);
      i = answer.indexOf('"');
      answer = answer.substring(i + 1);
      i = answer.indexOf('"');
      answer = answer.substring(0, i);
      out.println("<p ALIGN=CENTER>" + amount + " " + from + " == " + answer + "(" + to + ")</p>");
      out.println("</body>");
      out.println("</html>");
    }
  }
Exemplo n.º 6
0
 /**
  * Reads the population from a file.
  *
  * @param fileName is the file name where the classifiers have to be read.
  */
 public void readPopulationFromFile(String fileName) {
   String line = null;
   try {
     System.out.print("\n LOADING POPULATION FROM FILE");
     BufferedReader fin = new BufferedReader(new FileReader(fileName));
     macroClSum =
         new Integer(fin.readLine().trim())
             .intValue(); // We write the number of macro classifiers.
     microClSum =
         new Integer(fin.readLine().trim())
             .intValue(); // We write the number of micro classifiers.
     fin.readLine(); // This line is only information to interpret the file.
     for (int i = 0; i < macroClSum; i++) {
       line = fin.readLine();
       set[i] = new Classifier(new StringTokenizer(line));
     }
     fin.close();
     System.out.println(": done!");
   } catch (IOException eio) {
     System.out.println(
         "ERROR when reading the population from the file: " + fileName + ": " + eio);
   }
 } // end readPopulationFromFile
Exemplo n.º 7
0
  /*
  public static void main(String[] args) {
  	try {
  		// solve(args);
  		solve("-file=gc_70_5");
  	} catch (IOException e) {
  		e.printStackTrace();
  	}
  }
  */
  public static void solve(String args) throws IOException {
    String fileName = null;

    // get the temp file name
    // for (String arg : args) {
    if (args.startsWith("-file=")) {
      fileName = args.substring(6);
    }
    // }
    if (fileName == null) return;

    // read the lines out of the file
    List<String> lines = new ArrayList<String>();

    BufferedReader input = new BufferedReader(new FileReader(fileName));
    try {
      String line = null;
      while ((line = input.readLine()) != null) {
        lines.add(line);
      }
    } finally {
      input.close();
    }

    // parse the data in the file
    String[] firstLine = lines.get(0).split("\\s+");
    int nodes = Integer.parseInt(firstLine[0]);
    int edges = Integer.parseInt(firstLine[1]);

    g = new Graph(nodes, edges);
    g.initialiseGraph();

    for (int i = 1; i < edges + 1; i++) {
      String line = lines.get(i);
      String[] parts = line.split("\\s+");

      g.setEdges(Integer.parseInt(parts[0]), Integer.parseInt(parts[1]));
    }

    noOfColors = g.getMaxDeg();
    // System.out.println(noOfColors);
    colorOfNode = new int[nodes];
    prevColorOfNode = new int[nodes];

    domainOfNode = new int[nodes][noOfColors];
    colorTheGraph(nodes);

    int colorsUsed = 0;
    for (int i = 0; i < nodes; i++) {
      int c = colorOfNode[i];
      if (c > colorsUsed) colorsUsed = c;
    }

    // System.out.println(noOfColors);
    // System.out.println(checkEverything(nodes));
    // prepare the solution in the specified output format

    System.out.println(colorsUsed + " " + 0);
    for (int i = 0; i < nodes; i++) {
      System.out.print(colorOfNode[i] + " ");
    }
    System.out.println("");
  }
Exemplo n.º 8
0
  public boolean test() {
    ExtendedService es = null;
    boolean ok = true;

    String tmpfilename = getParameter("tmpfile");

    try {
      // Lookup the javax.jnlp.ExtendedService object
      es = (ExtendedService) ServiceManager.lookup("javax.jnlp.ExtendedService");
    } catch (UnavailableServiceException ue) {
      System.out.println(ue);
      ue.printStackTrace();
      // Service is not supported
      ok = false;
    }
    if (!ok) return false;

    // Open a specific file in the local machine

    File tmpfile = new File(tmpfilename);

    // Java Web Start will pop up a dialog asking the user to grant permission
    // to read/write the file 'tempfile'

    try {
      FileContents fc_tmpfile = es.openFile(tmpfile);

      if (!tmpfilename.equals(fc_tmpfile.getName())) {
        System.out.println(
            "\t tmpfile(out): "
                + tmpfilename
                + ", unequal to fc-filename: "
                + fc_tmpfile.getName()
                + " - info");
        // ok=false;
        // return ok;
      }

      if (!fc_tmpfile.canWrite()) {
        System.out.println(
            "\t outfile: " + tmpfilename + ", no write access (may not exist yet) - info");
      }

      // You can now use the FileContents object to read/write the file

      java.io.OutputStream sout = fc_tmpfile.getOutputStream(true);

      BufferedWriter bwsout = new BufferedWriter(new OutputStreamWriter(sout));

      bwsout.write(datum, 0, datum.length());
      bwsout.flush();
      bwsout.close();
    } catch (Exception e) {
      System.out.println(e);
      e.printStackTrace();
      System.out.println("\t Error while IO write - failed");
      ok = false;
      return ok;
    }

    // read back ..
    try {
      FileContents fc_tmpfile = es.openFile(tmpfile);

      if (!tmpfilename.equals(fc_tmpfile.getName())) {
        System.out.println(
            "\t tmpfile(in): "
                + tmpfilename
                + ", unequal to fc-filename: "
                + fc_tmpfile.getName()
                + " - info");
        // ok=false;
        // return ok;
      }

      if (!fc_tmpfile.canRead()) {
        System.out.println("\t outfile: " + tmpfilename + ", read access failed");
        ok = false;
      }

      // You can now use the FileContents object to read/write the file

      java.io.InputStream sin = fc_tmpfile.getInputStream();
      BufferedReader brsin = new BufferedReader(new InputStreamReader(sin));
      String in = brsin.readLine();

      if (!in.equals(datum)) {
        System.out.println("\t file content <" + in + "> does not match <" + datum + "> - failed");
        ok = false;
      }
      brsin.close();
    } catch (Exception e) {
      System.out.println(e);
      e.printStackTrace();
      System.out.println("\t Error while IO read - failed");
      ok = false;
      return ok;
    }

    return ok;
  }
Exemplo n.º 9
0
  public static void main(String[] args) throws Exception {
    IO.CreateFile io;
    io = new IO.CreateFile(args[0]);
    char[] array = io.giveArray();

    BufferedReader br = new BufferedReader(new FileReader(args[1]));
    String line;
    int n = 0;
    int e = 0;
    int d = 0;
    int count = 0;

    while ((line = br.readLine()) != null) {
      if (count == 0) n = Integer.parseInt(line);
      if (count == 1) e = Integer.parseInt(line);
      if (count == 2) d = Integer.parseInt(line);
      count++;
    }
    br.close();

    int index = 0;
    long num = 0;
    long encrypt = 0;
    int number = 0;
    int exponent = 0;
    while (index < array.length - 1) {
      num = 0;
      encrypt = 1;
      number = n;
      exponent = e;

      int first = 0;
      num += first << 16;
      for (int i = 0; i < 3; i++) {
        if (i == 0) {
          int a = array[index];
          num += a << 16;
          index++;
        }
        if (i == 1) {
          int a = array[index];
          num += a << 8;
          index++;
        }
        if (i == 2 && index < array.length) {
          int a = array[index];
          num += a;
          index++;
        }
      }

      while (exponent != 0) {
        if (exponent % 2 == 1) {
          encrypt = (encrypt * num) % number;
        }
        exponent = exponent / 2;
        num = (num * num) % number;
      }

      int shift = 24;
      for (int i = 0; i < 4; i++) {
        io.write((byte) ((encrypt >> shift) & 0xFF));
        shift -= 8;
      }
    }
    io.done();
  }
Exemplo n.º 10
0
  public static void main(String[] args) throws FileNotFoundException, IOException {
    /*Get variables ready*/
    String torrentFN;
    String saveFN;

    ArrayList<Peer> peers = null;

    byte[] b = null;
    /*check command line arguments*/
    if (args.length == 2) {
      torrentFN = args[0];
      saveFN = args[1];
      file_destination = saveFN;
    } else {
      System.out.println("Invalid number of command line arguments");
      return;
    }

    RandomAccessFile fSave = null;

    try {
      fSave = new RandomAccessFile(new File(saveFN), "rw");
    } catch (FileNotFoundException e) {
    }
    /*read torrent file*/

    BufferedReader reader = null;

    try {
      b = Files.readAllBytes(Paths.get(torrentFN));
    } catch (FileNotFoundException e) {
      System.out.println("Caught Exception File not found");
      // e.printStackTrace();
    } catch (IOException e) {
      System.out.println("Caught Exception IOException");
      // e.printStackTrace();
    } finally {
      try {
        if (reader != null) {
          reader.close();
        }
      } catch (IOException e) {
        System.out.println("Caught Exception IOException");
        // e.printStackTrace();
      }
    }

    /*send bytes to helper class*/
    try {
      tInfo = new TorrentInfo(b);
      try {
        fSave.setLength((long) tInfo.file_length);
        byte[] empty = new byte[tInfo.file_length];
        fSave.write(empty, 0, empty.length);
      } catch (IOException e) {
      }

      globalMemory = new MemCheck(tInfo, fSave);
      System.out.println("File mem length is " + fSave.length());
      System.out.println(tInfo.file_name);

    } catch (BencodingException e) {
      System.out.println("Bencoding Exception");
    }
    try {
      tResponse = TrackerResponse.getTrackerResponseStart(tInfo, 0, 0, tInfo.file_length);
    } catch (Exception e) {
      System.out.println("Problem with GET Request, program exiting");
      return;
    }

    /*decode the tracker response*/
    try {
      tResponseDecoded = TrackerResponse.decodeTrackerResponse(tResponse);
    } catch (Exception e) {
      System.out.println("Problem decoding tracker response");
      return;
    }

    peers = tResponseDecoded.peers;
    int peerIndex;
    info_hash = tInfo.info_hash.array();
    TrackerThread announceThread = new TrackerThread();

    // in actual production peerIndex < peers.size();
    for (peerIndex = 0; peerIndex < peers.size(); peerIndex++) {
      if (!peers.get(peerIndex).ipAdd.equals("128.6.171.132")) {
        Download peer = new Download(peers.get(peerIndex).ipAdd, peers.get(peerIndex).port);
        /*Lets schedule everything together*/
        new Thread(peer).start();
      }
    }

    new Thread(announceThread).start();
  }