Example usage for java.util List size

Introduction

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

Prototype

int size();

Source Link

Document

Returns the number of elements in this list.

Usage

From source file:DbUtilsUseBeanMySQL.java

public static void main(String[] args) {
    Connection conn = null;// w w w  .  j av a  2s.c om
    String jdbcURL = "jdbc:mysql://localhost/octopus";
    String jdbcDriver = "com.mysql.jdbc.Driver";
    String user = "root";
    String password = "root";

    try {
        DbUtils.loadDriver(jdbcDriver);
        conn = DriverManager.getConnection(jdbcURL, user, password);

        QueryRunner qRunner = new QueryRunner();
        List beans = (List) qRunner.query(conn, "select id, name from animals_table",
                new BeanListHandler(Employee.class));

        for (int i = 0; i < beans.size(); i++) {
            Employee bean = (Employee) beans.get(i);
            bean.print();
        }
    } catch (SQLException e) {
        // handle the exception
        e.printStackTrace();
    } finally {
        DbUtils.closeQuietly(conn);
    }
}

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From source file:edu.msu.cme.rdp.taxatree.TreeBuilder.java

public static void main(String[] args) throws IOException {
    if (args.length != 3) {
        System.err.println("USAGE: TreeBuilder <idmapping> <merges.bin> <newick_out>");
        return;/*from w w  w .  j a v  a 2 s.  co  m*/
    }

    IdMapping<Integer> idMapping = IdMapping.fromFile(new File(args[0]));
    DataInputStream mergeStream = new DataInputStream(new BufferedInputStream(new FileInputStream(args[1])));
    TaxonHolder lastMerged = null;
    int taxid = 0;
    final Map<Integer, Double> distMap = new HashMap();
    Map<Integer, TaxonHolder> taxonMap = new HashMap();

    try {
        while (true) {
            if (mergeStream.readBoolean()) { // Singleton
                int cid = mergeStream.readInt();
                int intId = mergeStream.readInt();
                TaxonHolder<Taxon> holder;

                List<String> seqids = idMapping.getIds(intId);
                if (seqids.size() == 1) {
                    holder = new TaxonHolder(new Taxon(taxid++, seqids.get(0), ""));
                } else {
                    holder = new TaxonHolder(new Taxon(taxid++, "", ""));
                    for (String seqid : seqids) {
                        int id = taxid++;
                        distMap.put(id, 0.0);
                        TaxonHolder th = new TaxonHolder(new Taxon(id, seqid, ""));
                        th.setParent(holder);
                        holder.addChild(th);
                    }
                }

                lastMerged = holder;
                taxonMap.put(cid, holder);
            } else {
                int ci = mergeStream.readInt();
                int cj = mergeStream.readInt();
                int ck = mergeStream.readInt();
                double dist = (double) mergeStream.readInt() / DistanceCalculator.MULTIPLIER;

                TaxonHolder holder = new TaxonHolder(new Taxon(taxid++, "", ""));

                taxonMap.put(ck, holder);
                holder.addChild(taxonMap.get(ci));
                taxonMap.get(ci).setParent(holder);
                distMap.put(ci, dist);
                holder.addChild(taxonMap.get(cj));
                taxonMap.get(cj).setParent(holder);
                distMap.put(cj, dist);

                lastMerged = holder;
            }
        }
    } catch (EOFException e) {

    }

    if (lastMerged == null) {
        throw new IOException("No merges in file");
    }

    PrintStream newickTreeOut = new PrintStream(new File(args[2]));
    NewickPrintVisitor visitor = new NewickPrintVisitor(newickTreeOut, false, new NewickDistanceFactory() {

        public float getDistance(int i) {
            return distMap.get(i).floatValue();
        }

    });

    lastMerged.biDirectionDepthFirst(visitor);
    newickTreeOut.close();
}

---

From source file:net.oneandone.shared.artifactory.App.java

public static void main(String[] args) throws ParseException, IOException, NotFoundException {
    initLogging();/* w ww . ja v  a  2  s. c  om*/
    LOG.info("CLI: {}", Arrays.toString(args));
    final Options options = new Options()
            .addOption("l", "uri", true, "Base-URI in the form of " + DEFAULT_ARTIFACTORY_URI)
            .addOption("u", "user", true, "Username").addOption("p", "password", true, "Password")
            .addOption("d", "debug", false, "Turn on debugging");
    final CommandLine commandline = new BasicParser().parse(options, args);
    if (commandline.hasOption("d")) {
        LOG.info("Setting debug");
        java.util.logging.Logger.getLogger("net.oneandone.shared.artifactory").setLevel(Level.ALL);
    }
    final List<String> argList = commandline.getArgList();
    LOG.info("ARGS: {}", argList);
    Injector injector = Guice.createInjector(new ArtifactoryModule());
    App instance = injector.getInstance(App.class);
    instance.preemptiveRequestInterceptor.addCredentialsForHost("web.de", "foo", "bar");
    List<ArtifactoryStorage> search = instance.searchByGav.search("repo1-cache", Gav.valueOf(argList.get(0)));
    LOG.info("Got {} search results", search.size());
}

---

From source file:Main.java

public static void main(String[] args) {
    List<String> list = new ArrayList<>();
    list.add("Java");
    list.add("Oracle");
    list.add("CSS");
    list.add("XML");

    System.out.println("List: " + list);

    int count = list.size();
    System.out.println("Size of  List: " + count);

    // Print each element with its index
    for (int i = 0; i < count; i++) {
        String element = list.get(i);
        System.out.println("Index=" + i + ", Element=" + element);
    }// w  w w . jav  a  2s  .c o m

    List<String> subList = list.subList(1, 3);
    System.out.println(subList);

    // Remove "CSS" from the list 
    list.remove("CSS"); // Same as list.remove(2);
    System.out.println(list);
}

---

From source file:io.rhiot.spec.IoTSpec.java

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

    CommandLineParser parser = new DefaultParser();

    Options options = new Options();
    options.addOption(Option.builder("c").longOpt(CONFIG).desc(
            "Location of the test configuration file. A default value is 'src/main/resources/test.yaml' for easy IDE testing")
            .hasArg().build());/*  w ww .j  ava2s  . c  om*/

    options.addOption(Option.builder("i").longOpt(INSTANCE).desc("Instance of the test; A default value is 1")
            .hasArg().build());

    options.addOption(Option.builder("r").longOpt(REPORT)
            .desc("Location of the test report. A default value is 'target/report.csv'").hasArg().build());

    CommandLine line = parser.parse(options, args);
    ObjectMapper mapper = new ObjectMapper(new YAMLFactory());
    TestProfile test = mapper.readValue(new File(line.getOptionValue(CONFIG, "src/main/resources/test.yaml")),
            TestProfile.class);
    int instance = Integer.valueOf(line.getOptionValue(INSTANCE, "1"));
    test.setInstance(instance);
    String report = line.getOptionValue(REPORT, "target/report.csv");
    test.setReport(new CSVReport(report));

    LOG.info("Test '" + test.getName() + "' instance " + instance + " started");
    final List<Driver> drivers = test.getDrivers();
    ExecutorService executorService = Executors.newFixedThreadPool(drivers.size());
    List<Future<Void>> results = executorService.invokeAll(drivers, test.getDuration(), TimeUnit.MILLISECONDS);
    executorService.shutdownNow();
    executorService.awaitTermination(5, TimeUnit.SECONDS);

    results.forEach(result -> {
        try {
            result.get();
        } catch (ExecutionException execution) {
            LOG.warn("Exception running driver", execution);
        } catch (Exception interrupted) {
        }
    });

    drivers.forEach(driver -> {
        driver.stop();

        try {
            test.getReport().print(driver);
        } catch (Exception e) {
            LOG.warn("Failed to write reports for the driver " + driver);
        }
        LOG.debug("Driver " + driver);
        LOG.debug("\t " + driver.getResult());
    });
    test.getReport().close();

    LOG.info("Test '" + test.getName() + "' instance " + instance + " finished");

}

---

From source file:edu.berkeley.path.next.CTMEngine.CTMEngineApp.java

public static void main(String[] args) throws InterruptedException {
    ClassPathXmlApplicationContext context = new ClassPathXmlApplicationContext("ctm-engine.xml");
    context.start();//from w w  w.  java  2s.com

    final Logger logger = LogManager.getLogger(CTMEngineApp.class.getName());

    logger.info("trafficMonitorApp initialized ");

    JmsPublish jmsPublish = context.getBean(JmsPublish.class);

    // linkManager creates the data to publish representing ccFramework output
    LinkManager linkManager = context.getBean(LinkManager.class);

    logger.info("trafficMonitorApp initialized ");

    //get a list of output links that we will publish over and over
    java.util.List<LinkDataRaw> links = new ArrayList<LinkDataRaw>();
    links = linkManager.getLinkList();

    logger.info("trafficMonitorApp links to publish: " + links.size());

    //counters
    int x = 0;
    int oneHour = 216000;
    int oneMinute = 3600;

    while (x < oneMinute) {
        //use SLF interface which provides for parameterized logging
        logger.info("CTMEngineApp sendLinkList counter:  " + x);
        jmsPublish.sendLinkList(links);
        //sleep for a third of a second
        //Thread.sleep(10);
        x++;
    }
}

---

From source file:com.packtpub.mahout.cookbook.chapter01.App.java

public static void main(String[] args) throws IOException, TasteException, OptionException {
    CreateCsvRatingsFile();/*from  w  w  w.  ja va 2s.  co m*/

    // create data source (model) - from the csv file
    File ratingsFile = new File(outputFile);
    DataModel model = new FileDataModel(ratingsFile);

    // create a simple recommender on our data
    CachingRecommender cachingRecommender = new CachingRecommender(new SlopeOneRecommender(model));

    // for all users
    for (LongPrimitiveIterator it = model.getUserIDs(); it.hasNext();) {
        long userId = it.nextLong();

        // get the recommendations for the user
        List<RecommendedItem> recommendations = cachingRecommender.recommend(userId, 10);

        // if empty write something
        if (recommendations.size() == 0) {
            System.out.print("User ");
            System.out.print(userId);
            System.out.println(": no recommendations");
        }

        // print the list of recommendations for each
        for (RecommendedItem recommendedItem : recommendations) {
            System.out.print("User ");
            System.out.print(userId);
            System.out.print(": ");
            System.out.println(recommendedItem);
        }
    }
}

---

From source file:com.termmed.sampling.ConceptsWithMoreThanThreeRoleGroups.java

/**
 * The main method.//ww w.  j a v  a  2 s. c o m
 *
 * @param args the arguments
 * @throws Exception the exception
 */
public static void main(String[] args) throws Exception {
    System.out.println("Starting...");
    Map<String, Set<String>> groupsMap = new HashMap<String, Set<String>>();
    File relsFile = new File(
            "/Users/alo/Downloads/SnomedCT_RF2Release_INT_20160131-1/Snapshot/Terminology/sct2_Relationship_Snapshot_INT_20160131.txt");
    BufferedReader br2 = new BufferedReader(new FileReader(relsFile));
    String line2;
    int count2 = 0;
    while ((line2 = br2.readLine()) != null) {
        // process the line.
        count2++;
        if (count2 % 10000 == 0) {
            //System.out.println(count2);
        }
        List<String> columns = Arrays.asList(line2.split("\t", -1));
        if (columns.size() >= 6) {
            if (columns.get(2).equals("1") && !columns.get(6).equals("0")) {
                if (!groupsMap.containsKey(columns.get(4))) {
                    groupsMap.put(columns.get(4), new HashSet<String>());
                }
                groupsMap.get(columns.get(4)).add(columns.get(6));
            }
        }
    }
    System.out.println("Relationship groups loaded");
    Gson gson = new Gson();
    System.out.println("Reading JSON 1");
    File crossoverFile1 = new File("/Users/alo/Downloads/crossover_role_to_group.json");
    String contents = FileUtils.readFileToString(crossoverFile1, "utf-8");
    Type collectionType = new TypeToken<Collection<ControlResultLine>>() {
    }.getType();
    List<ControlResultLine> lineObject = gson.fromJson(contents, collectionType);
    Set<String> crossovers1 = new HashSet<String>();
    for (ControlResultLine loopResult : lineObject) {
        crossovers1.add(loopResult.conceptId);
    }
    System.out.println("Crossovers 1 loaded, " + lineObject.size() + " Objects");

    System.out.println("Reading JSON 2");
    File crossoverFile2 = new File("/Users/alo/Downloads/crossover_group_to_group.json");
    String contents2 = FileUtils.readFileToString(crossoverFile2, "utf-8");
    List<ControlResultLine> lineObject2 = gson.fromJson(contents2, collectionType);
    Set<String> crossovers2 = new HashSet<String>();
    for (ControlResultLine loopResult : lineObject2) {
        crossovers2.add(loopResult.conceptId);
    }
    System.out.println("Crossovers 2 loaded, " + lineObject2.size() + " Objects");

    Set<String> foundConcepts = new HashSet<String>();
    int count3 = 0;
    BufferedWriter writer = new BufferedWriter(
            new FileWriter(new File("ConceptsWithMoreThanThreeRoleGroups.csv")));
    ;
    for (String loopConcept : groupsMap.keySet()) {
        if (groupsMap.get(loopConcept).size() > 3) {
            writer.write(loopConcept);
            writer.newLine();
            foundConcepts.add(loopConcept);
            count3++;
        }
    }
    writer.close();
    System.out.println("Found " + foundConcepts.size() + " concepts");

    int countCrossover1 = 0;
    for (String loopConcept : foundConcepts) {
        if (crossovers1.contains(loopConcept)) {
            countCrossover1++;
        }
    }
    System.out.println(countCrossover1 + " are present in crossover_role_to_group");

    int countCrossover2 = 0;
    for (String loopConcept : foundConcepts) {
        if (crossovers2.contains(loopConcept)) {
            countCrossover2++;
        }
    }
    System.out.println(countCrossover2 + " are present in crossover_group_to_group");

    System.out.println("Done");
}

---

From source file:it.crs4.features.MergeImgSets.java

public static void main(String[] args) throws Exception {
    Options opts = new Options();
    CommandLine cmd = null;//from w w  w.  j a v a2s.  c o  m
    try {
        cmd = parseCmdLine(opts, args);
    } catch (ParseException e) {
        System.err.println("ERROR: " + e.getMessage());
        System.exit(1);
    }
    String[] posArgs = cmd.getArgs();
    if (posArgs.length < 2) {
        HelpFormatter fmt = new HelpFormatter();
        fmt.printHelp("java MergeImgSets IMG_SET_LIST OUT_FN", opts);
        System.exit(2);
    }
    String setsFn = posArgs[0];
    String outFn = posArgs[1];
    int replication = 1;
    if (cmd.hasOption("replication")) {
        replication = Integer.parseInt(cmd.getOptionValue("replication"));
    }

    List<List<String>> filesets = getFilesets(setsFn);
    int sizeZ = filesets.size();
    if (0 == sizeZ) {
        System.out.println("File set list is empty, nothing to do.");
        System.exit(0);
    }
    int sizeC = filesets.get(0).size();
    for (List<String> fs : filesets) {
        if (fs.size() != sizeC) {
            System.err.println("File sets must have equal size");
            System.exit(1);
        }
    }
    write(filesets, outFn, replication);
}

---

From source file:com.aerospike.examples.pk.StorePrimaryKey.java

public static void main(String[] args) throws AerospikeException {
    try {/*from  ww  w  .  jav  a  2  s .c  om*/
        Options options = new Options();
        options.addOption("h", "host", true, "Server hostname (default: 172.28.128.6)");
        options.addOption("p", "port", true, "Server port (default: 3000)");
        options.addOption("n", "namespace", true, "Namespace (default: test)");
        options.addOption("s", "set", true, "Set (default: demo)");
        options.addOption("u", "usage", false, "Print usage.");

        CommandLineParser parser = new PosixParser();
        CommandLine cl = parser.parse(options, args, false);

        String host = cl.getOptionValue("h", "172.28.128.6");
        String portString = cl.getOptionValue("p", "3000");
        int port = Integer.parseInt(portString);
        String namespace = cl.getOptionValue("n", "test");
        String set = cl.getOptionValue("s", "demo");
        log.debug("Host: " + host);
        log.debug("Port: " + port);
        log.debug("Namespace: " + namespace);
        log.debug("Set: " + set);

        @SuppressWarnings("unchecked")
        List<String> cmds = cl.getArgList();
        if (cmds.size() == 0 && cl.hasOption("u")) {
            logUsage(options);
            return;
        }

        StorePrimaryKey as = new StorePrimaryKey(host, port, namespace, set);

        as.work();

    } catch (Exception e) {
        log.error("Critical error", e);
    }
}

---

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