Example usage for java.lang Integer parseInt

List of usage examples for java.lang Integer parseInt

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Introduction

In this page you can find the example usage for java.lang Integer parseInt.

Prototype

public static int parseInt(String s) throws NumberFormatException

Source Link

Document

Parses the string argument as a signed decimal integer.

Usage

From source file:io.confluent.kafkarest.tools.ConsumerPerformance.java

public static void main(String[] args) throws Exception {
    if (args.length < 4) {
        System.out.println("Usage: java " + ConsumerPerformance.class.getName() + " rest_url topic_name "
                + "num_records target_records_sec");
        System.exit(1);//from w w  w  . jav a2s .  co m
    }

    String baseUrl = args[0];
    String topic = args[1];
    int numRecords = Integer.parseInt(args[2]);
    int throughput = Integer.parseInt(args[3]);

    ConsumerPerformance perf = new ConsumerPerformance(baseUrl, topic, numRecords, throughput);
    // We need an approximate # of iterations per second, but we don't know how many records per
    // request we'll receive so we don't know how many iterations per second we need to hit the
    // target rate. Get an approximate value using the default max # of records per request the
    // server will return.
    perf.run();
    perf.close();
}

From source file:org.jboss.teiid.quickstart.PortfolioHTTPClient.java

public static void main(String[] args) throws URISyntaxException, UnsupportedEncodingException {

    String hostname = "localhost";
    int port = 8080;
    String username = "restUser";
    String password = "password1!";
    if (args.length == 4) {
        hostname = args[0];//www .  ja  v a2 s  .  co  m
        port = Integer.parseInt(args[1]);
        username = args[2];
        password = args[3];
    }

    HttpClientBuilder builder = HttpClientBuilder.create();
    HttpHost targetHost = new HttpHost(hostname, port);
    CredentialsProvider credsProvider = new BasicCredentialsProvider();
    AuthScope scope = new AuthScope(targetHost.getHostName(), targetHost.getPort());
    UsernamePasswordCredentials credentials = new UsernamePasswordCredentials(username, password);
    credsProvider.setCredentials(scope, credentials);
    builder.setDefaultCredentialsProvider(credsProvider);
    HttpClient client = builder.build();

    execute(client, new HttpGet("http://localhost:8080/PortfolioRest_1/Rest/foo/1"));
    execute(client, new HttpGet("http://localhost:8080/PortfolioRest_1/Rest/getAllStocks"));
    execute(client, new HttpGet("http://localhost:8080/PortfolioRest_1/Rest/getAllStockById/1007"));
    execute(client, new HttpGet("http://localhost:8080/PortfolioRest_1/Rest/getAllStockBySymbol/IBM"));

}

From source file:com.github.xbn.examples.lang.non_xbn.VerifyUserInputIsANumberWithIsNumber.java

public static final void main(String[] ignored) {

    int num = -1;
    boolean isNum = false;

    do {//from w  ww.  jav  a2s .c o  m
        System.out.print("Number please: ");
        String strInput = (new Scanner(System.in)).next();
        if (!NumberUtils.isNumber(strInput)) {
            System.out.println(strInput + " is not a number. Try again.");
        } else {
            //Safe to convert
            num = Integer.parseInt(strInput);
            isNum = true;
        }
    } while (!isNum);

    System.out.println("Number: " + num);
}

From source file:edu.snu.leader.discrete.simulator.Main.java

public static void main(String[] args) {
    System.setProperty("sim-properties", "cfg/sim/discrete/sim-properties.parameters");

    _simulationProperties = MiscUtils.loadProperties("sim-properties");

    String stringShouldRunGraphical = _simulationProperties.getProperty("run-graphical");
    Validate.notEmpty(stringShouldRunGraphical, "Run graphical option required");
    shouldRunGraphical = Boolean.parseBoolean(stringShouldRunGraphical);

    String stringTotalRuns = _simulationProperties.getProperty("run-count");
    Validate.notEmpty(stringTotalRuns, "Run count required");
    totalRuns = Integer.parseInt(stringTotalRuns);

    if (!shouldRunGraphical) {
        // run just text
        for (int run = 1; run <= totalRuns; run++) {
            System.out.println("Run " + run);
            System.out.println();

            // create and initialize simulator
            Simulator simulator = new Simulator(run);
            _simulationProperties.put("current-run", String.valueOf(run));
            simulator.initialize(_simulationProperties);
            // run it
            simulator.execute();/*from  w  w  w  .j  a  va  2s.c om*/
        }
    } else {
        // run graphical
        DebugLocationsStructure db = new DebugLocationsStructure("Conflict Simulation", 800, 600, 60);
        _simulationProperties.put("current-run", String.valueOf(1));
        db.initialize(_simulationProperties, 1);
        db.run();
    }
}

From source file:org.eclipse.swt.snippets.Snippet340.java

public static void main(String[] args) {
    Display display = new Display();
    Shell shell = new Shell(display);
    shell.setText("Snippet 340");
    shell.setLayout(new GridLayout());
    shell.setText("Description Relation Example");

    // (works with either a Label or a READ_ONLY Text)
    final Label liveLabel = new Label(shell, SWT.BORDER | SWT.READ_ONLY);
    //   final Text liveLabel = new Text(shell, SWT.BORDER | SWT.READ_ONLY);
    liveLabel.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false));
    liveLabel.setText("Live region messages go here");

    new Label(shell, SWT.NONE).setText("Type an integer from 1 to 4:");

    final Text textField = new Text(shell, SWT.SINGLE | SWT.BORDER);
    textField.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false));
    textField.addModifyListener(e -> {
        String textValue = textField.getText();
        String message = textValue + " is not valid input.";
        try {/*  ww w.  j  a v  a2s . c om*/
            int value = Integer.parseInt(textValue);
            switch (value) {
            case 1:
                message = "One for the money,";
                break;
            case 2:
                message = "Two for the show,";
                break;
            case 3:
                message = "Three to get ready,";
                break;
            case 4:
                message = "And four to go!";
                break;
            }
        } catch (NumberFormatException ex) {
        }
        liveLabel.setText(message);
        textField.getAccessible().sendEvent(ACC.EVENT_DESCRIPTION_CHANGED, null);
        textField.setSelection(0, textField.getCharCount());
    });
    textField.getAccessible().addRelation(ACC.RELATION_DESCRIBED_BY, liveLabel.getAccessible());
    liveLabel.getAccessible().addRelation(ACC.RELATION_DESCRIPTION_FOR, textField.getAccessible());
    textField.getAccessible().addAccessibleListener(new AccessibleAdapter() {
        @Override
        public void getDescription(AccessibleEvent event) {
            event.result = liveLabel.getText();
        }
    });

    shell.pack();
    shell.open();
    while (!shell.isDisposed()) {
        if (!display.readAndDispatch())
            display.sleep();
    }
    display.dispose();
}

From source file:PlayerPiano.java

public static void main(String[] args) throws MidiUnavailableException, InvalidMidiDataException, IOException {
    int instrument = 0;
    int tempo = 120;
    String filename = null;/*ww  w.  ja  v a 2 s .  c o m*/

    // Parse the options
    // -i <instrument number> default 0, a piano. Allowed values: 0-127
    // -t <beats per minute> default tempo is 120 quarter notes per minute
    // -o <filename> save to a midi file instead of playing
    int a = 0;
    while (a < args.length) {
        if (args[a].equals("-i")) {
            instrument = Integer.parseInt(args[a + 1]);
            a += 2;
        } else if (args[a].equals("-t")) {
            tempo = Integer.parseInt(args[a + 1]);
            a += 2;
        } else if (args[a].equals("-o")) {
            filename = args[a + 1];
            a += 2;
        } else
            break;
    }

    char[] notes = args[a].toCharArray();

    // 16 ticks per quarter note.
    Sequence sequence = new Sequence(Sequence.PPQ, 16);

    // Add the specified notes to the track
    addTrack(sequence, instrument, tempo, notes);

    if (filename == null) { // no filename, so play the notes
        // Set up the Sequencer and Synthesizer objects
        Sequencer sequencer = MidiSystem.getSequencer();
        sequencer.open();
        Synthesizer synthesizer = MidiSystem.getSynthesizer();
        synthesizer.open();
        sequencer.getTransmitter().setReceiver(synthesizer.getReceiver());

        // Specify the sequence to play, and the tempo to play it at
        sequencer.setSequence(sequence);
        sequencer.setTempoInBPM(tempo);

        // Let us know when it is done playing
        sequencer.addMetaEventListener(new MetaEventListener() {
            public void meta(MetaMessage m) {
                // A message of this type is automatically sent
                // when we reach the end of the track
                if (m.getType() == END_OF_TRACK)
                    System.exit(0);
            }
        });
        // And start playing now.
        sequencer.start();
    } else { // A file name was specified, so save the notes
        int[] allowedTypes = MidiSystem.getMidiFileTypes(sequence);
        if (allowedTypes.length == 0) {
            System.err.println("No supported MIDI file types.");
        } else {
            MidiSystem.write(sequence, allowedTypes[0], new File(filename));
            System.exit(0);
        }
    }
}

From source file:com.moreopen.config.center.ConfigCenterLauncher.java

public static void main(String[] args) throws Exception {
    final String PROFILE_NAME = "/app.properties";
    Properties properties = PropertiesLoaderUtils
            .loadProperties(new UrlResource(ConfigCenterLauncher.class.getResource(PROFILE_NAME)));
    int port = Integer.parseInt(properties.getProperty("webserver.port"));
    if (port == 0) {
        logger.error("property: config.webserver.port not found, please check " + PROFILE_NAME);
        return;/*from w w w  . j a  va  2  s .co m*/
    }
    // launch the monitor console server
    new ConfigCenterLauncher(port).run();
    server.join();
}

From source file:ThreadDemo.java

/**
 * This main method creates and starts two threads in addition to the initial
 * thread that the interpreter creates to invoke the main() method.
 *///from   w  w  w  . j a v a  2s.c  om
public static void main(String[] args) {
    // Create the first thread: an instance of this class. Its body is
    // the run() method above
    ThreadDemo thread1 = new ThreadDemo();

    // Create the second thread by passing a Runnable object to the
    // Thread() construtor. The body of this thread is the run() method
    // of the anonymous Runnable object below.
    Thread thread2 = new Thread(new Runnable() {
        public void run() {
            for (int i = 0; i < 5; i++)
                compute();
        }
    });

    // Set the priorities of these two threads, if any are specified
    if (args.length >= 1)
        thread1.setPriority(Integer.parseInt(args[0]));
    if (args.length >= 2)
        thread2.setPriority(Integer.parseInt(args[1]));

    // Start the two threads running
    thread1.start();
    thread2.start();

    // This main() method is run by the initial thread created by the
    // Java interpreter. Now that thread does some stuff, too.
    for (int i = 0; i < 5; i++)
        compute();

    // We could wait for the threads to stop running with these lines
    // But they aren't necessary here, so we don't bother.
    // try {
    // thread1.join();
    // thread2.join();
    // } catch (InterruptedException e) {}

    // The Java VM exits only when the main() method returns, and when all
    // threads stop running (except for daemon threads--see setDaemon()).
}

From source file:com.ifeng.sorter.NginxApp.java

public static void main(String[] args) {

    String input = "src/test/resources/data/nginx_report.txt";

    PrintWriter pw = null;//w  ww  . jav  a 2 s .c  o  m

    Map<String, List<LogBean>> resultMap = new HashMap<String, List<LogBean>>();
    List<String> ips = new ArrayList<String>();

    try {
        List<String> lines = FileUtils.readLines(new File(input));
        List<LogBean> items = new ArrayList<LogBean>();

        for (String line : lines) {
            String[] values = line.split("\t");

            if (values != null && values.length == 3) {// ip total seria
                try {
                    String ip = values[0].trim();
                    String total = values[1].trim();
                    String seria = values[2].trim();

                    LogBean bean = new LogBean(ip, Integer.parseInt(total), seria);

                    items.add(bean);

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

        Collections.sort(items);

        for (LogBean bean : items) {
            String key = bean.getIp();

            if (resultMap.containsKey(key)) {
                resultMap.get(key).add(bean);
            } else {
                List<LogBean> keyList = new ArrayList<LogBean>();
                keyList.add(bean);
                resultMap.put(key, keyList);

                ips.add(key);
            }
        }

        pw = new PrintWriter("src/test/resources/output/result.txt", "UTF-8");

        for (String ip : ips) {
            List<LogBean> list = resultMap.get(ip);

            for (LogBean bean : list) {
                pw.append(bean.toString());
                pw.println();
            }
        }

    } catch (IOException e) {
        e.printStackTrace();
    } finally {
        pw.flush();
        pw.close();
    }
}

From source file:hu.sztaki.incremental.ml.streaming.imsr.IMSR.java

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

    // set up the execution environment
    final StreamExecutionEnvironment env = StreamExecutionEnvironment.getExecutionEnvironment();

    // get arguments
    String fileName = "src/test/resources/1.csv";
    int batchSize = 5;
    if (args.length > 0) {
        fileName = args[0];/*from w  w  w.j av  a  2 s .  co m*/
        if (args.length > 1) {
            batchSize = Integer.parseInt(args[1]);
        }
    }

    // get input data
    DataStream<Tuple2<double[][], double[][]>> stream = env
            .addSource(new MatrixVectorPairSource(fileName, batchSize), 1);

    MatrixSink sink = new MatrixSink();

    stream.map(new MatrixMapper()).reduce(new MatrixSumReducer()).addSink(sink);

    // execute program
    env.execute("Streaming Linear Regression (IMSR)");
}