Example usage for java.util Scanner Scanner

List of usage examples for java.util Scanner Scanner

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Introduction

In this page you can find the example usage for java.util Scanner Scanner.

Prototype

public Scanner(ReadableByteChannel source)

Source Link

Document

Constructs a new Scanner that produces values scanned from the specified channel.

Usage

From source file:BlockingQueueTest.java

public static void main(String[] args) {
    Scanner in = new Scanner(System.in);
    System.out.print("Enter base directory (e.g. /usr/local/jdk1.6.0/src): ");
    String directory = in.nextLine();
    System.out.print("Enter keyword (e.g. volatile): ");
    String keyword = in.nextLine();

    final int FILE_QUEUE_SIZE = 10;
    final int SEARCH_THREADS = 100;

    BlockingQueue<File> queue = new ArrayBlockingQueue<File>(FILE_QUEUE_SIZE);

    FileEnumerationTask enumerator = new FileEnumerationTask(queue, new File(directory));
    new Thread(enumerator).start();
    for (int i = 1; i <= SEARCH_THREADS; i++)
        new Thread(new SearchTask(queue, keyword)).start();
}

From source file:isc_415_practica_1.ISC_415_Practica_1.java

/**
 * @param args the command line arguments
 *///ww  w .  java 2 s  .c o  m
public static void main(String[] args) {
    String urlString;
    Scanner input = new Scanner(System.in);
    Document doc;

    try {
        urlString = input.next();
        if (urlString.equals("servlet")) {
            urlString = "http://localhost:8084/ISC_415_Practica1_Servlet/client";
        }
        urlString = urlString.contains("http://") || urlString.contains("https://") ? urlString
                : "http://" + urlString;
        doc = Jsoup.connect(urlString).get();
    } catch (Exception ex) {
        System.out.println("El URL ingresado no es valido.");
        return;
    }

    ArrayList<NameValuePair> formInputParams;
    formInputParams = new ArrayList<>();
    String[] plainTextDoc = new TextNode(doc.html(), "").getWholeText().split("\n");
    System.out.println(String.format("Nmero de lineas del documento: %d", plainTextDoc.length));
    System.out.println(String.format("Nmero de p tags: %d", doc.select("p").size()));
    System.out.println(String.format("Nmero de img tags: %d", doc.select("img").size()));
    System.out.println(String.format("Nmero de form tags: %d", doc.select("form").size()));

    Integer index = 1;

    ArrayList<NameValuePair> urlParameters = new ArrayList<>();
    for (Element e : doc.select("form")) {
        System.out.println(String.format("Form %d: Nmero de Input tags %d", index, e.select("input").size()));
        System.out.println(e.select("input"));

        for (Element formInput : e.select("input")) {
            if (formInput.attr("id") != null && formInput.attr("id") != "") {
                urlParameters.add(new BasicNameValuePair(formInput.attr("id"), "PRACTICA1"));
            } else if (formInput.attr("name") != null && formInput.attr("name") != "") {
                urlParameters.add(new BasicNameValuePair(formInput.attr("name"), "PRACTICA1"));
            }
        }

        index++;
    }

    if (!urlParameters.isEmpty()) {
        try {
            CloseableHttpClient httpclient = HttpClients.createDefault();
            UrlEncodedFormEntity entity = new UrlEncodedFormEntity(urlParameters, Consts.UTF_8);
            HttpPost httpPost = new HttpPost(urlString);
            httpPost.setHeader("User-Agent", USER_AGENT);
            httpPost.setEntity(entity);
            HttpResponse response = httpclient.execute(httpPost);
            System.out.println(response.getStatusLine());
        } catch (IOException ex) {
            Logger.getLogger(ISC_415_Practica_1.class.getName()).log(Level.SEVERE, null, ex);
        }

    }

}

From source file:br.upf.contatos.tcp.Client.java

public static void main(String[] args) throws RuntimeException {

    String teste = Arrays.toString(args);
    if (args.length == 0) {
        Client.HOST = "localhost";
    } else {/*w w w.  j a v a 2s . c  o  m*/
        Client.HOST = args[0];
    }

    ClientConnector tcpService = new ClientConnector(Client.HOST, PORTA);
    String line;
    tcpService.connect();
    do {
        System.out.println("Digite help, para o menu");
        Scanner scanner = new Scanner(System.in);
        line = scanner.nextLine();
    } while (comando(line, tcpService));

    tcpService.disconnect();
}

From source file:fi.jyu.it.ties456.week38.Main.Main.java

public static void main(String[] args) throws NoSuchTeacherException_Exception {

    TeacherRegistryService connect = new TeacherRegistryService();
    TeacherRegistry teacher = connect.getTeacherRegistryPort();
    CourseISService connectCourse = new CourseISService();
    CourseIS course = connectCourse.getCourseISPort();
    int i;/*from  ww w.  j av  a  2 s.  c o m*/
    Scanner inputchoice = new Scanner(System.in);
    Scanner cin = new Scanner(System.in);

    do {
        System.out.println("0: Quit the application");
        System.out.println("1: Search the teacher Info");
        System.out.println("2: Create the Course");
        i = inputchoice.nextInt();
        switch (i) {
        case 0:
            System.out.println("quit the application");
            break;
        case 1:
            System.out.println("Input search info of teacher");
            String searchString = cin.nextLine();
            JSONObject result = searchTeacher(teacher, searchString);
            if (result == null)
                System.out.println("No person found");
            else
                System.out.println(result);
            break;
        case 2:
            createCourse(teacher, course);
            break;
        default:
            System.err.println("Not a valid choice");

        }
    } while (i != 0);
}

From source file:Clima.Clima.java

public static void main(String[] args) throws Exception {
    // TODO Auto-generated method stub
    Scanner lea = new Scanner(System.in);

    int op;//from  w ww  . ja  v a2s  .c  o  m

    do {
        System.out.println("----------\nMENU\n-----------");
        System.out.println("1- Ver todos los datos clima");
        System.out.println("2- Ver longuitud y Latitud");
        System.out.println("3- Temperatura minima y maxima");
        System.out.println("4- Humedad y Velocidad");
        System.out.println("Escoja Opcion: ");
        op = lea.nextInt();
        System.out.println("------------------------------------");
        System.out.println("Ingrase la ciudad que decea ver clima");
        System.out.println("-------------------------------------");
        String cuida = lea.next();
        System.out.println("--------------------------------------");

        switch (op) {
        case 1:
            try {

                String respuesta = getHTML("http://api.openweathermap.org/data/2.5/weather?q=" + cuida
                        + ",uk&appid=edf6a6fe68ae2a1259efacb437914a55");
                JSONObject obj = new JSONObject(respuesta);
                double temp = obj.getJSONObject("main").getDouble("temp") - 273.15;
                double lon = obj.getJSONObject("coord").getDouble("lon");
                double lat = obj.getJSONObject("coord").getDouble("lat");
                double pressure = obj.getJSONObject("main").getDouble("pressure");
                double humidity = obj.getJSONObject("main").getDouble("humidity");
                double temp_min = obj.getJSONObject("main").getDouble("temp_min") - 273.15;
                double temp_max = obj.getJSONObject("main").getDouble("temp_max") - 273.15;
                double speed = obj.getJSONObject("wind").getDouble("speed");
                System.out.println("Los datos optenidos de " + cuida);
                System.out.println("***************************************1");
                System.out.println("La temperatura es: " + temp + " Celsius");
                System.out.println("longuitud  es: " + lon);
                System.out.println("Latitud es: " + lat);
                System.out.println("La presurisacion  es: " + pressure);
                System.out.println("La humedad es: " + humidity);
                System.out.println("La temperatura minima es: " + temp_min + " Celsius");
                System.out.println("La temperatura maxima es: " + temp_max + " Celsius");
                System.out.println("La velocidad es: " + speed);

            } catch (Exception e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            }
            Clima.main(null);
            break;
        case 2:
            try {

                String respuesta = getHTML("http://api.openweathermap.org/data/2.5/weather?q=" + cuida
                        + ",uk&appid=edf6a6fe68ae2a1259efacb437914a55");
                JSONObject obj = new JSONObject(respuesta);
                double lon = obj.getJSONObject("coord").getDouble("lon");
                double lat = obj.getJSONObject("coord").getDouble("lat");
                System.out.println("Los datos optenidos de" + cuida + "son:");
                System.out.print("longuitud  es: " + lon);
                System.out.print("Latitud es: " + lat);

            } catch (Exception e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            }
            Clima.main(null);
            break;
        case 3:
            try {

                String respuesta = getHTML("http://api.openweathermap.org/data/2.5/weather?q=" + cuida
                        + ",uk&appid=edf6a6fe68ae2a1259efacb437914a55");
                JSONObject obj = new JSONObject(respuesta);
                double temp_min = obj.getJSONObject("main").getDouble("temp_min") - 273.15;
                double temp_max = obj.getJSONObject("main").getDouble("temp_max") - 273.15;
                System.out.println("Los datos optenidos de" + cuida + "son:");
                System.out.print("La temperatura minima es: " + temp_min + " Celsius");
                System.out.print("La temperatura maxima es: " + temp_max + " Celsius");

            } catch (Exception e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            }
            Clima.main(null);
            break;
        case 4:
            try {

                String respuesta = getHTML("http://api.openweathermap.org/data/2.5/weather?q=" + cuida
                        + ",uk&appid=edf6a6fe68ae2a1259efacb437914a55");
                JSONObject obj = new JSONObject(respuesta);
                double humidity = obj.getJSONObject("main").getDouble("humidity");
                double speed = obj.getJSONObject("wind").getDouble("speed");
                System.out.println("Los datos optenidos de" + cuida + "son:");
                System.out.print("La humedad es: " + humidity);
                System.out.print("La velocidad es: " + speed);

            } catch (Exception e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            }
            Clima.main(null);
            break;

        }
    } while (op != 8);

}

From source file:FutureTest.java

public static void main(String[] args) {
    Scanner in = new Scanner(System.in);
    System.out.print("Enter base directory (e.g. /usr/local/jdk5.0/src): ");
    String directory = in.nextLine();
    System.out.print("Enter keyword (e.g. volatile): ");
    String keyword = in.nextLine();

    MatchCounter counter = new MatchCounter(new File(directory), keyword);
    FutureTask<Integer> task = new FutureTask<Integer>(counter);
    Thread t = new Thread(task);
    t.start();//from   ww w  .j  ava 2 s. co m
    try {
        System.out.println(task.get() + " matching files.");
    } catch (ExecutionException e) {
        e.printStackTrace();
    } catch (InterruptedException e) {
    }
}

From source file:RegExTest.java

public static void main(String[] args) {
    Scanner in = new Scanner(System.in);
    System.out.println("Enter pattern: ");
    String patternString = in.nextLine();

    Pattern pattern = null;/*  w ww . j  av  a2 s.  co  m*/
    try {
        pattern = Pattern.compile(patternString);
    } catch (PatternSyntaxException e) {
        System.out.println("Pattern syntax error");
        System.exit(1);
    }

    while (true) {
        System.out.println("Enter string to match: ");
        String input = in.nextLine();
        if (input == null || input.equals(""))
            return;
        Matcher matcher = pattern.matcher(input);
        if (matcher.matches()) {
            System.out.println("Match");
            int g = matcher.groupCount();
            if (g > 0) {
                for (int i = 0; i < input.length(); i++) {
                    for (int j = 1; j <= g; j++)
                        if (i == matcher.start(j))
                            System.out.print('(');
                    System.out.print(input.charAt(i));
                    for (int j = 1; j <= g; j++)
                        if (i + 1 == matcher.end(j))
                            System.out.print(')');
                }
                System.out.println();
            }
        } else
            System.out.println("No match");
    }
}

From source file:SocketTest.java

public static void main(String[] args) {
    try {/*w  w  w  .  j a  v a2  s .c  om*/
        Socket s = new Socket("time-A.timefreq.bldrdoc.gov", 13);
        try {
            InputStream inStream = s.getInputStream();
            Scanner in = new Scanner(inStream);

            while (in.hasNextLine()) {
                String line = in.nextLine();
                System.out.println(line);
            }
        } finally {
            s.close();
        }
    } catch (IOException e) {
        e.printStackTrace();
    }
}

From source file:ThreadPoolTest.java

public static void main(String[] args) throws Exception {
    Scanner in = new Scanner(System.in);
    System.out.print("Enter base directory (e.g. /usr/local/jdk5.0/src): ");
    String directory = in.nextLine();
    System.out.print("Enter keyword (e.g. volatile): ");
    String keyword = in.nextLine();

    ExecutorService pool = Executors.newCachedThreadPool();

    MatchCounter counter = new MatchCounter(new File(directory), keyword, pool);
    Future<Integer> result = pool.submit(counter);

    try {/* w  w  w  .  j a  v  a2 s .  co m*/
        System.out.println(result.get() + " matching files.");
    } catch (ExecutionException e) {
        e.printStackTrace();
    } catch (InterruptedException e) {
    }
    pool.shutdown();

    int largestPoolSize = ((ThreadPoolExecutor) pool).getLargestPoolSize();
    System.out.println("largest pool size=" + largestPoolSize);
}

From source file:io.github.mikesaelim.arxivoaiharvester.CommandLineInterface.java

public static void main(String[] args) throws InterruptedException {
    CloseableHttpClient httpClient = HttpClients.createDefault();
    ArxivOAIHarvester harvester = new ArxivOAIHarvester(httpClient);
    Scanner scanner = new Scanner(System.in);

    System.out.println();/*ww  w.j  a v a  2s  .co  m*/
    System.out.println("Welcome to the command line interface of the arXiv OAI Harvester!");
    System.out.println(
            "This program sends one query to the arXiv OAI repository and prints the results to STDOUT.");
    System.out.println("It uses the default settings for query retries.");
    System.out.println();
    System.out.println("Which verb would you like to use?");
    System.out.println("    1) GetRecord - retrieve a single record");
    System.out.println("    2) ListRecords - retrieve a range of records");
    System.out.println("    or enter anything else to quit.");

    switch (scanner.nextLine().trim()) {
    case "1":
        handleGetRecordRequest(scanner, harvester);
        break;
    case "2":
        handleListRecordsRequest(scanner, harvester);
    }
}