Example usage for java.lang Integer parseInt

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:PrintServiceTest.java

public static void main(String[] args) {
    DocFlavor flavor = DocFlavor.URL.GIF;
    PrintService[] services = PrintServiceLookup.lookupPrintServices(flavor, null);
    if (args.length == 0) {
        if (services.length == 0)
            System.out.println("No printer for flavor " + flavor);
        else {//w w w .  j ava2s .  com
            System.out.println("Specify a file of flavor " + flavor
                    + "\nand optionally the number of the desired printer.");
            for (int i = 0; i < services.length; i++)
                System.out.println((i + 1) + ": " + services[i].getName());
        }
        System.exit(0);
    }
    String fileName = args[0];
    int p = 1;
    if (args.length > 1)
        p = Integer.parseInt(args[1]);
    try {
        if (fileName == null)
            return;
        FileInputStream in = new FileInputStream(fileName);
        Doc doc = new SimpleDoc(in, flavor, null);
        DocPrintJob job = services[p - 1].createPrintJob();
        job.print(doc, null);
    } catch (FileNotFoundException e) {
        e.printStackTrace();
    } catch (PrintException e) {
        e.printStackTrace();
    }
}

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From source file:fr.inria.zenith.randomWalk.RandomWalkTsG.java

/**
 * @param args the command line arguments
 * @throws java.io.IOException/*from  w w  w .java2s .  co m*/
 */
public static void main(String[] args) throws IOException, Exception {

    if (args.length < 2) {
        System.err.println("Usage: randomWalkTimeSeriesGenerator <FileName> <TimeSeriesNbr> <TimeSeriesSize>");
        System.exit(1);
    }

    CSVWriter writer = new CSVWriter(new FileWriter(args[0] + "_" + args[1] + "_" + args[2] + ".csv"),
            CSVWriter.DEFAULT_SEPARATOR, CSVWriter.NO_QUOTE_CHARACTER);

    for (int i = 1; i < Integer.parseInt(args[1]) + 2; i++) {
        String[] ts = randomWalk(Integer.parseInt(args[2]) + 1);
        ts[0] = Integer.toString(i);
        writer.writeNext(ts);
        writer.flushQuietly();
    }
    writer.close();
}

---

From source file:com.alibaba.simpleimage.ScaleSpeedTest.java

public static void main(String[] args) throws Exception {
    String method = "CSubSample";
    String imgName = "large";
    int times = 1000;
    float scale = 0.5f;
    String imgDir = "/src/test/resources/conf.test/simpleimage/scale";
    File rootDir = null;/* w w w .  ja  va  2  s .c  om*/

    if (args.length > 0) {
        rootDir = new File(args[0].trim() + imgDir);
    }

    if (args.length > 1) {
        method = args[1];
    }

    if (args.length > 2) {
        imgName = args[2];
    }

    if (args.length > 3) {
        scale = Float.parseFloat(args[3]);
    }

    if (args.length > 4) {
        times = Integer.parseInt(args[4]);
    }

    ScaleSpeedTest instance = new ScaleSpeedTest();

    if ("JSubSample".equalsIgnoreCase(method)) {
        instance.doScale(rootDir, imgName, instance.new JSubSampleScaler(), times, scale);
    } else if ("CSubSample".equalsIgnoreCase(method)) {
        instance.doScale(rootDir, imgName, instance.new CSubSampleScaler(), times, scale);
    } else if ("Bicurbe".equalsIgnoreCase(method)) {
        instance.doScale(rootDir, imgName, instance.new BicurbeScaler(), times, scale);
    } else if ("Bicurbe2".equalsIgnoreCase(method)) {
        instance.doScale(rootDir, imgName, instance.new Bicube2Scaler(), times, scale);
    } else if ("lanczos".equalsIgnoreCase(method)) {
        instance.doScale(rootDir, imgName, instance.new LanczosScaler(), times, scale);
    } else {
        throw new IllegalArgumentException("Unknown alg");
    }
}

---

From source file:com.weibo.motan.demo.client.DemoRpcClient.java

public static void main(String[] args) throws Exception {
    final DescriptiveStatistics stats = new SynchronizedDescriptiveStatistics();

    int threads = Integer.parseInt(args[0]);

    DubboBenchmark.BenchmarkMessage msg = prepareArgs();
    final byte[] msgBytes = msg.toByteArray();

    int n = 1000000;
    final CountDownLatch latch = new CountDownLatch(n);

    ExecutorService es = Executors.newFixedThreadPool(threads);

    final AtomicInteger trans = new AtomicInteger(0);
    final AtomicInteger transOK = new AtomicInteger(0);

    ApplicationContext ctx = new ClassPathXmlApplicationContext(
            new String[] { "classpath:motan_demo_client.xml" });

    MotanDemoService service = (MotanDemoService) ctx.getBean("motanDemoReferer");

    long start = System.currentTimeMillis();
    for (int i = 0; i < n; i++) {
        es.submit(() -> {//ww  w .j a v a2  s .c  o  m
            try {

                long t = System.currentTimeMillis();
                DubboBenchmark.BenchmarkMessage m = testSay(service, msgBytes);
                t = System.currentTimeMillis() - t;
                stats.addValue(t);

                trans.incrementAndGet();

                if (m != null && m.getField1().equals("OK")) {
                    transOK.incrementAndGet();
                }

            } finally {
                latch.countDown();
            }
        });
    }

    latch.await();

    start = System.currentTimeMillis() - start;

    System.out.printf("sent     requests    : %d\n", n);
    System.out.printf("received requests    : %d\n", trans.get());
    System.out.printf("received requests_OK : %d\n", transOK.get());
    System.out.printf("throughput  (TPS)    : %d\n", n * 1000 / start);

    System.out.printf("mean: %f\n", stats.getMean());
    System.out.printf("median: %f\n", stats.getPercentile(50));
    System.out.printf("max: %f\n", stats.getMax());
    System.out.printf("min: %f\n", stats.getMin());

    System.out.printf("99P: %f\n", stats.getPercentile(90));

}

---

From source file:com.uber.tchannel.ping.PingServer.java

public static void main(String[] args) throws Exception {
    Options options = new Options();
    options.addOption("p", "port", true, "Server Port to connect to");
    options.addOption("?", "help", false, "Usage");
    HelpFormatter formatter = new HelpFormatter();

    CommandLineParser parser = new DefaultParser();
    CommandLine cmd = parser.parse(options, args);

    if (cmd.hasOption("?")) {
        formatter.printHelp("PingClient", options, true);
        return;// ww  w .  j  a v  a 2s .  c o  m
    }

    int port = Integer.parseInt(cmd.getOptionValue("p", "8888"));

    System.out.println(String.format("Starting server on port: %d", port));
    new PingServer(port).run();
    System.out.println("Stopping server...");
}

---

From source file:client.ComputePi.java

public static void main(String args[]) {
    if (System.getSecurityManager() == null) {
        System.setSecurityManager(new SecurityManager());
    }//w w  w  .  j  a  v a  2s . c o m
    try {
        String name = "Compute";
        Registry registry = LocateRegistry.getRegistry(args[0]);
        Compute comp = (Compute) registry.lookup(name);
        Pi task = new Pi(Integer.parseInt(args[1]));
        BigDecimal pi = comp.executeTask(task);
        System.out.println(pi);
    } catch (Exception e) {
        System.err.println("ComputePi exception:");
        e.printStackTrace();
    }
}

---

From source file:com.gargoylesoftware.htmlunit.general.HostExtractor.java

/**
 * The entry point.//from  w  w w  .j ava  2 s  .  co m
 * @param args optional proxy hostname and port
 * @throws Exception if an error occurs
 */
public static void main(final String[] args) throws Exception {
    final Set<String> set = new HashSet<>();
    try (final WebClient webClient = new WebClient(BrowserVersion.CHROME)) {
        if (args.length > 1) {
            final ProxyConfig proxyConfig = new ProxyConfig(args[0], Integer.parseInt(args[1]));
            proxyConfig.addHostsToProxyBypass("localhost");
            webClient.getOptions().setProxyConfig(proxyConfig);
        }
        fillMDNWebAPI(webClient, set);
        fillMDNJavaScriptGlobalObjects(webClient, set);
        final String testRoot = "src/test/java/";
        ensure(new File(testRoot + HostClassNameTest.class.getName().replace('.', '/') + ".java"), set);
    }
}

---

From source file:hyperheuristics.main.comparisons.CompareHypervolumes.java

public static void main(String[] args) throws IOException, InterruptedException {

    int[] numberOfObjectivesArray = new int[] { 2, 4 };
    String[] problems;/*from www .j  a  v a 2 s  . c om*/
    if (args.length == 0) {
        problems = new String[] { "OO_MyBatis", "OA_AJHsqldb", "OA_AJHotDraw", "OO_BCEL", "OO_JHotDraw",
                "OA_HealthWatcher",
                //                "OA_TollSystems",
                "OO_JBoss" };
    } else {
        EXECUTIONS = Integer.parseInt(args[0]);
        numberOfObjectivesArray = new int[] { Integer.parseInt(args[4]) };
        problems = Arrays.copyOfRange(args, 5, args.length);
    }

    String[] heuristicFunctions = new String[] { LowLevelHeuristic.CHOICE_FUNCTION,
            LowLevelHeuristic.MULTI_ARMED_BANDIT, //            LowLevelHeuristic.RANDOM
    };

    String[] algorithms = new String[] { "NSGA-II", "SPEA2" };

    for (int numberOfObjectives : numberOfObjectivesArray) {
        //            hypervolumeComparison(problems, heuristicFunctions, numberOfObjectives, algorithms);
        //            hypervolumeHyperheuristicsComparison(problems, heuristicFunctions, numberOfObjectives,);
        //            hypervolumeByGeneration(problems, heuristicFunctions, numberOfObjectives);
        generateTables(problems, heuristicFunctions, numberOfObjectives, algorithms);
    }
}

---

From source file:com.alibaba.simpleimage.PressureTester.java

public static void main(String[] args) throws Exception {
    int threads = 1;
    long tasks = Long.MAX_VALUE;
    String rootDir = "";

    if (args.length >= 1) {
        rootDir = args[0];//from  ww w . jav  a  2s.c  o m
    }

    if (args.length >= 2) {
        threads = Integer.parseInt(args[1]);
    }

    if (args.length >= 3) {
        tasks = Long.parseLong(args[2]);
    }

    if ("null".equalsIgnoreCase(rootDir)) {
        rootDir = null;
    }
    System.out.println("task begin");
    new PressureTester(threads, tasks, rootDir).run();
    System.out.println("task end");
}

---

From source file:MonthsInYear.java

public static void main(String[] args) {
    int year = 0;

    if (args.length <= 0) {
        System.out.printf("Usage: MonthsInYear <year>%n");
        throw new IllegalArgumentException();
    }//from  ww  w  .ja  v  a2  s . c  o  m

    try {
        year = Integer.parseInt(args[0]);
    } catch (NumberFormatException nexc) {
        System.out.printf("%s is not a properly formatted number.%n", args[0]);
        throw nexc; // Rethrow the exception.
    }

    try {
        Year test = Year.of(year);
    } catch (DateTimeException exc) {
        System.out.printf("%d is not a valid year.%n", year);
        throw exc; // Rethrow the exception.
    }

    System.out.printf("For the year %d:%n", year);
    for (Month month : Month.values()) {
        YearMonth ym = YearMonth.of(year, month);
        System.out.printf("%s: %d days%n", month, ym.lengthOfMonth());
    }
}

---

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