Example usage for java.util Map size

Introduction

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

Prototype

int size();

Source Link

Document

Returns the number of key-value mappings in this map.

Usage

From source file:Freq.java

public static void main(String[] args) {
    Map<String, Integer> m = new HashMap<String, Integer>();

    // Initialize frequency table from command line
    for (String a : args) {
        Integer freq = m.get(a);/*from www .ja va 2  s  .c  om*/
        m.put(a, (freq == null) ? 1 : freq + 1);
    }

    System.out.println(m.size() + " distinct words:");
    System.out.println(m);
}

---

From source file:Main.java

public static void main(String[] args) {
    Map<Character, Integer> counting = new HashMap<Character, Integer>();
    String testcase1 = "this is a test";
    for (char ch : testcase1.toCharArray()) {
        Integer freq = counting.get(ch);
        counting.put(ch, (freq == null) ? 1 : freq + 1);
    }//from   ww w  .  j ava 2  s. c om
    System.out.println(counting.size() + " distinct characters:");
    System.out.println(counting);
}

---

From source file:org.apache.s4.adapter.Adapter.java

public static void main(String args[]) {
    Options options = new Options();

    options.addOption(OptionBuilder.withArgName("corehome").hasArg().withDescription("core home").create("c"));

    options.addOption(//from w w  w. ja v a  2s.co  m
            OptionBuilder.withArgName("instanceid").hasArg().withDescription("instance id").create("i"));

    options.addOption(
            OptionBuilder.withArgName("configtype").hasArg().withDescription("configuration type").create("t"));

    options.addOption(OptionBuilder.withArgName("userconfig").hasArg()
            .withDescription("user-defined legacy data adapter configuration file").create("d"));

    CommandLineParser parser = new GnuParser();
    CommandLine commandLine = null;

    try {
        commandLine = parser.parse(options, args);
    } catch (ParseException pe) {
        System.err.println(pe.getLocalizedMessage());
        System.exit(1);
    }

    int instanceId = -1;
    if (commandLine.hasOption("i")) {
        String instanceIdStr = commandLine.getOptionValue("i");
        try {
            instanceId = Integer.parseInt(instanceIdStr);
        } catch (NumberFormatException nfe) {
            System.err.println("Bad instance id: %s" + instanceIdStr);
            System.exit(1);
        }
    }

    if (commandLine.hasOption("c")) {
        coreHome = commandLine.getOptionValue("c");
    }

    String configType = "typical";
    if (commandLine.hasOption("t")) {
        configType = commandLine.getOptionValue("t");
    }

    String userConfigFilename = null;
    if (commandLine.hasOption("d")) {
        userConfigFilename = commandLine.getOptionValue("d");
    }

    File userConfigFile = new File(userConfigFilename);
    if (!userConfigFile.isFile()) {
        System.err.println("Bad user configuration file: " + userConfigFilename);
        System.exit(1);
    }

    File coreHomeFile = new File(coreHome);
    if (!coreHomeFile.isDirectory()) {
        System.err.println("Bad core home: " + coreHome);
        System.exit(1);
    }

    if (instanceId > -1) {
        System.setProperty("instanceId", "" + instanceId);
    } else {
        System.setProperty("instanceId", "" + S4Util.getPID());
    }

    String configBase = coreHome + File.separatorChar + "conf" + File.separatorChar + configType;
    String configPath = configBase + File.separatorChar + "adapter-conf.xml";
    File configFile = new File(configPath);
    if (!configFile.exists()) {
        System.err.printf("adapter config file %s does not exist\n", configPath);
        System.exit(1);
    }

    // load adapter config xml
    ApplicationContext coreContext;
    coreContext = new FileSystemXmlApplicationContext("file:" + configPath);
    ApplicationContext context = coreContext;

    Adapter adapter = (Adapter) context.getBean("adapter");

    ApplicationContext appContext = new FileSystemXmlApplicationContext(
            new String[] { "file:" + userConfigFilename }, context);
    Map listenerBeanMap = appContext.getBeansOfType(EventProducer.class);
    if (listenerBeanMap.size() == 0) {
        System.err.println("No user-defined listener beans");
        System.exit(1);
    }
    EventProducer[] eventListeners = new EventProducer[listenerBeanMap.size()];

    int index = 0;
    for (Iterator it = listenerBeanMap.keySet().iterator(); it.hasNext(); index++) {
        String beanName = (String) it.next();
        System.out.println("Adding producer " + beanName);
        eventListeners[index] = (EventProducer) listenerBeanMap.get(beanName);
    }

    adapter.setEventListeners(eventListeners);
}

---

From source file:examples.cnn.ImagesClassification.java

public static void main(String[] args) {

    SparkConf conf = new SparkConf();
    conf.setAppName("Images CNN Classification");
    conf.setMaster(String.format("local[%d]", NUM_CORES));
    conf.set(SparkDl4jMultiLayer.AVERAGE_EACH_ITERATION, String.valueOf(true));

    try (JavaSparkContext sc = new JavaSparkContext(conf)) {

        JavaRDD<String> raw = sc.textFile("data/images-data-rgb.csv");
        String first = raw.first();

        JavaPairRDD<String, String> labelData = raw.filter(f -> f.equals(first) == false).mapToPair(r -> {
            String[] tab = r.split(";");
            return new Tuple2<>(tab[0], tab[1]);
        });//from   w w w .jav  a 2s .com

        Map<String, Long> labels = labelData.map(t -> t._1).distinct().zipWithIndex()
                .mapToPair(t -> new Tuple2<>(t._1, t._2)).collectAsMap();

        log.info("Number of labels {}", labels.size());
        labels.forEach((a, b) -> log.info("{}: {}", a, b));

        NetworkTrainer trainer = new NetworkTrainer.Builder().model(ModelLibrary.net1)
                .networkToSparkNetwork(net -> new SparkDl4jMultiLayer(sc, net)).numLabels(labels.size())
                .cores(NUM_CORES).build();

        JavaRDD<Tuple2<INDArray, double[]>> labelsWithData = labelData.map(t -> {
            INDArray label = FeatureUtil.toOutcomeVector(labels.get(t._1).intValue(), labels.size());
            double[] arr = Arrays.stream(t._2.split(" ")).map(normalize1).mapToDouble(Double::doubleValue)
                    .toArray();
            return new Tuple2<>(label, arr);
        });

        JavaRDD<Tuple2<INDArray, double[]>>[] splited = labelsWithData.randomSplit(new double[] { .8, .2 },
                seed);

        JavaRDD<DataSet> testDataset = splited[1].map(t -> {
            INDArray features = Nd4j.create(t._2, new int[] { 1, t._2.length });
            return new DataSet(features, t._1);
        }).cache();
        log.info("Number of test images {}", testDataset.count());

        JavaRDD<DataSet> plain = splited[0].map(t -> {
            INDArray features = Nd4j.create(t._2, new int[] { 1, t._2.length });
            return new DataSet(features, t._1);
        });

        /*
         * JavaRDD<DataSet> flipped = splited[0].randomSplit(new double[] { .5, .5 }, seed)[0].
         */
        JavaRDD<DataSet> flipped = splited[0].map(t -> {
            double[] arr = t._2;
            int idx = 0;
            double[] farr = new double[arr.length];
            for (int i = 0; i < arr.length; i += trainer.width) {
                double[] temp = Arrays.copyOfRange(arr, i, i + trainer.width);
                ArrayUtils.reverse(temp);
                for (int j = 0; j < trainer.height; ++j) {
                    farr[idx++] = temp[j];
                }
            }
            INDArray features = Nd4j.create(farr, new int[] { 1, farr.length });
            return new DataSet(features, t._1);
        });

        JavaRDD<DataSet> trainDataset = plain.union(flipped).cache();
        log.info("Number of train images {}", trainDataset.count());

        trainer.train(trainDataset, testDataset);
    }
}

---

From source file:com.act.biointerpretation.mechanisminspection.ReactionValidator.java

public static void main(String[] args) throws Exception {
    Options opts = new Options();
    for (Option.Builder b : OPTION_BUILDERS) {
        opts.addOption(b.build());//  w  w w .j av  a 2 s  .  c o m
    }

    CommandLine cl = null;
    try {
        CommandLineParser parser = new DefaultParser();
        cl = parser.parse(opts, args);
    } catch (ParseException e) {
        System.err.format("Argument parsing failed: %s\n", e.getMessage());
        HELP_FORMATTER.printHelp(LoadPlateCompositionIntoDB.class.getCanonicalName(), HELP_MESSAGE, opts, null,
                true);
        System.exit(1);
    }

    if (cl.hasOption("help")) {
        HELP_FORMATTER.printHelp(ReactionDesalter.class.getCanonicalName(), HELP_MESSAGE, opts, null, true);
        return;
    }

    NoSQLAPI api = new NoSQLAPI(cl.getOptionValue(OPTION_READ_DB), cl.getOptionValue(OPTION_READ_DB));
    MechanisticValidator validator = new MechanisticValidator(api);
    validator.init();

    Map<Integer, List<Ero>> results = validator
            .validateOneReaction(Long.parseLong(cl.getOptionValue(OPTION_RXN_ID)));

    if (results == null) {
        System.out.format("ERROR: validation results are null.\n");
    } else if (results.size() == 0) {
        System.out.format("No matching EROs were found for the specified reaction.\n");
    } else {
        for (Map.Entry<Integer, List<Ero>> entry : results.entrySet()) {
            List<String> eroIds = entry.getValue().stream().map(x -> x.getId().toString())
                    .collect(Collectors.toList());
            System.out.format("%d: %s\n", entry.getKey(), StringUtils.join(eroIds, ", "));
        }
    }
}

---

From source file:Main.java

public static void main(String args[]) {
    Map<String, Integer> atomNums = new TreeMap<String, Integer>();

    atomNums.put("A", 1);
    atomNums.put("B", 2);
    atomNums.put("C", 3);
    atomNums.put("D", 4);
    atomNums.put("E", 5);
    atomNums.put("F", 6);

    System.out.println("The map contains these " + atomNums.size() + " entries:");

    Set<Map.Entry<String, Integer>> set = atomNums.entrySet();

    for (Map.Entry<String, Integer> me : set) {
        System.out.print(me.getKey() + ", Atomic Number: ");
        System.out.println(me.getValue());
    }//from  w w w. j ava  2 s  .  co m
    TreeMap<String, Integer> atomNums2 = new TreeMap<String, Integer>();

    atomNums2.put("Q", 30);
    atomNums2.put("W", 82);

    atomNums.putAll(atomNums2);

    set = atomNums.entrySet();

    System.out.println("The map now contains these " + atomNums.size() + " entries:");
    for (Map.Entry<String, Integer> me : set) {
        System.out.print(me.getKey() + ", Atomic Number: ");
        System.out.println(me.getValue());
    }

    if (atomNums.containsKey("A"))
        System.out.println("A has an atomic number of " + atomNums.get("A"));

    if (atomNums.containsValue(82))
        System.out.println("The atomic number 82 is in the map.");
    System.out.println();

    if (atomNums.remove("A") != null)
        System.out.println("A has been removed.\n");
    else
        System.out.println("Entry not found.\n");

    Set<String> keys = atomNums.keySet();
    for (String str : keys)
        System.out.println(str + " ");

    Collection<Integer> vals = atomNums.values();
    for (Integer n : vals)
        System.out.println(n + " ");

    atomNums.clear();
    if (atomNums.isEmpty())
        System.out.println("The map is now empty.");
}

---

From source file:SerialVersionUID.java

/**
 * Generate a mapping of the serial version UIDs for the serializable classes
 * under the jboss dist directory// w  w  w.j av a2  s  . co  m
 * 
 * @param args -
 *          [0] = jboss dist root directory
 * @throws Exception
 */
public static void main(String[] args) throws Exception {
    if (args.length != 1) {
        System.err.println("Usage: jboss-home | -rihome ri-home");
        System.exit(1);
    }
    File distHome = new File(args[0]);
    Map classVersionMap = null;
    if (args.length == 2)
        classVersionMap = generateRISerialVersionUIDReport(distHome);
    else
        classVersionMap = generateJBossSerialVersionUIDReport(distHome);
    // Write the map out the object file
    log.info("Total classes with serialVersionUID != 0: " + classVersionMap.size());
    FileOutputStream fos = new FileOutputStream("serialuid.ser");
    ObjectOutputStream oos = new ObjectOutputStream(fos);
    oos.writeObject(classVersionMap);
    fos.close();
}

---

From source file:com.act.biointerpretation.ProductExtractor.java

public static void main(String[] args) throws Exception {
    CLIUtil cliUtil = new CLIUtil(ProductExtractor.class, HELP_MESSAGE, OPTION_BUILDERS);
    CommandLine cl = cliUtil.parseCommandLine(args);

    String orgPrefix = cl.getOptionValue(OPTION_ORGANISM_PREFIX);
    LOGGER.info("Using organism prefix %s", orgPrefix);

    MongoDB db = new MongoDB(DEFAULT_DB_HOST, DEFAULT_DB_PORT, cl.getOptionValue(OPTION_DB_NAME));

    Map<Long, String> validOrganisms = new TreeMap<>();
    DBIterator orgIter = db.getDbIteratorOverOrgs();
    Organism o = null;/*from  w  w  w . ja va  2 s  .  c  o m*/
    while ((o = db.getNextOrganism(orgIter)) != null) {
        if (!o.getName().isEmpty() && o.getName().startsWith(orgPrefix)) {
            validOrganisms.put(o.getUUID(), o.getName());
        }
    }

    LOGGER.info("Found %d valid organisms", validOrganisms.size());

    Set<Long> productIds = new TreeSet<>(); // Use something with implicit ordering we can traverse in order.
    DBIterator reactionIterator = db.getIteratorOverReactions();
    Reaction r;
    while ((r = db.getNextReaction(reactionIterator)) != null) {
        Set<JSONObject> proteins = r.getProteinData();
        boolean valid = false;
        for (JSONObject j : proteins) {
            if (j.has("organism") && validOrganisms.containsKey(j.getLong("organism"))) {
                valid = true;
                break;
            } else if (j.has("organisms")) {
                JSONArray organisms = j.getJSONArray("organisms");
                for (int i = 0; i < organisms.length(); i++) {
                    if (validOrganisms.containsKey(organisms.getLong(i))) {
                        valid = true;
                        break;
                    }
                }
            }
        }

        if (valid) {
            for (Long id : r.getProducts()) {
                productIds.add(id);
            }
            for (Long id : r.getProductCofactors()) {
                productIds.add(id);
            }
        }
    }

    LOGGER.info("Found %d valid product ids for '%s'", productIds.size(), orgPrefix);
    PrintWriter writer = cl.hasOption(OPTION_OUTPUT_FILE)
            ? new PrintWriter(new FileWriter(cl.getOptionValue(OPTION_OUTPUT_FILE)))
            : new PrintWriter(System.out);

    for (Long id : productIds) {
        Chemical c = db.getChemicalFromChemicalUUID(id);
        String inchi = c.getInChI();
        if (inchi.startsWith("InChI=") && !inchi.startsWith("InChI=/FAKE")) {
            writer.println(inchi);
        }
    }

    if (cl.hasOption(OPTION_OUTPUT_FILE)) {
        writer.close();
    }
    LOGGER.info("Done.");
}

---

From source file:org.apache.s4.client.Adapter.java

@SuppressWarnings("static-access")
public static void main(String args[]) throws IOException, InterruptedException {

    Options options = new Options();

    options.addOption(OptionBuilder.withArgName("corehome").hasArg().withDescription("core home").create("c"));

    options.addOption(/*w  w  w .  ja va 2 s  . c om*/
            OptionBuilder.withArgName("instanceid").hasArg().withDescription("instance id").create("i"));

    options.addOption(
            OptionBuilder.withArgName("configtype").hasArg().withDescription("configuration type").create("t"));

    options.addOption(OptionBuilder.withArgName("userconfig").hasArg()
            .withDescription("user-defined legacy data adapter configuration file").create("d"));

    CommandLineParser parser = new GnuParser();
    CommandLine commandLine = null;

    try {
        commandLine = parser.parse(options, args);
    } catch (ParseException pe) {
        System.err.println(pe.getLocalizedMessage());
        System.exit(1);
    }

    int instanceId = -1;
    if (commandLine.hasOption("i")) {
        String instanceIdStr = commandLine.getOptionValue("i");
        try {
            instanceId = Integer.parseInt(instanceIdStr);
        } catch (NumberFormatException nfe) {
            System.err.println("Bad instance id: %s" + instanceIdStr);
            System.exit(1);
        }
    }

    if (commandLine.hasOption("c")) {
        coreHome = commandLine.getOptionValue("c");
    }

    String configType = "typical";
    if (commandLine.hasOption("t")) {
        configType = commandLine.getOptionValue("t");
    }

    String userConfigFilename = null;
    if (commandLine.hasOption("d")) {
        userConfigFilename = commandLine.getOptionValue("d");
    }

    File userConfigFile = new File(userConfigFilename);
    if (!userConfigFile.isFile()) {
        System.err.println("Bad user configuration file: " + userConfigFilename);
        System.exit(1);
    }

    File coreHomeFile = new File(coreHome);
    if (!coreHomeFile.isDirectory()) {
        System.err.println("Bad core home: " + coreHome);
        System.exit(1);
    }

    if (instanceId > -1) {
        System.setProperty("instanceId", "" + instanceId);
    } else {
        System.setProperty("instanceId", "" + S4Util.getPID());
    }

    String configBase = coreHome + File.separatorChar + "conf" + File.separatorChar + configType;
    String configPath = configBase + File.separatorChar + "client-adapter-conf.xml";
    File configFile = new File(configPath);
    if (!configFile.exists()) {
        System.err.printf("adapter config file %s does not exist\n", configPath);
        System.exit(1);
    }

    // load adapter config xml
    ApplicationContext coreContext;
    coreContext = new FileSystemXmlApplicationContext("file:" + configPath);
    ApplicationContext context = coreContext;

    Adapter adapter = (Adapter) context.getBean("client_adapter");

    ApplicationContext appContext = new FileSystemXmlApplicationContext(
            new String[] { "file:" + userConfigFilename }, context);

    Map<?, ?> inputStubBeanMap = appContext.getBeansOfType(InputStub.class);
    Map<?, ?> outputStubBeanMap = appContext.getBeansOfType(OutputStub.class);

    if (inputStubBeanMap.size() == 0 && outputStubBeanMap.size() == 0) {
        System.err.println("No user-defined input/output stub beans");
        System.exit(1);
    }

    ArrayList<InputStub> inputStubs = new ArrayList<InputStub>(inputStubBeanMap.size());
    ArrayList<OutputStub> outputStubs = new ArrayList<OutputStub>(outputStubBeanMap.size());

    // add all input stubs
    for (Map.Entry<?, ?> e : inputStubBeanMap.entrySet()) {
        String beanName = (String) e.getKey();
        System.out.println("Adding InputStub " + beanName);
        inputStubs.add((InputStub) e.getValue());
    }

    // add all output stubs
    for (Map.Entry<?, ?> e : outputStubBeanMap.entrySet()) {
        String beanName = (String) e.getKey();
        System.out.println("Adding OutputStub " + beanName);
        outputStubs.add((OutputStub) e.getValue());
    }

    adapter.setInputStubs(inputStubs);
    adapter.setOutputStubs(outputStubs);

}

---

From source file:jmona.driver.Main.java

/**
 * Run the {@link EvolutionContext#stepGeneration()} method until the
 * CompletionConditionon is met, executing any Processors after each
 * generation step.//from w  ww.ja v a  2  s .c o m
 * 
 * Provide the location of the Spring XML configuration file by using the
 * <em>--config</em> command line option, followed by the location of the
 * configuration file. By default, this program will look for a configuration
 * file at <code>./context.xml</code>.
 * 
 * @param args
 *          The command-line arguments to this program.
 */
@SuppressWarnings("unchecked")
public static void main(final String[] args) {
    // set up the list of options which the parser accepts
    setUpParser();

    // get the options from the command line arguments
    final OptionSet options = PARSER.parse(args);

    // get the location of the XML configuration file
    final String configFile = (String) options.valueOf(OPT_CONFIG_FILE);

    // create an application context from the specified XML configuration file
    final ApplicationContext applicationContext = new FileSystemXmlApplicationContext(configFile);

    // get the evolution contexts, completion criteria, and processors
    @SuppressWarnings("rawtypes")
    final Map<String, EvolutionContext> evolutionContextsMap = applicationContext
            .getBeansOfType(EvolutionContext.class);
    @SuppressWarnings("rawtypes")
    final Map<String, CompletionCondition> completionCriteriaMap = applicationContext
            .getBeansOfType(CompletionCondition.class);
    @SuppressWarnings("rawtypes")
    final Map<String, Processor> processorMap = applicationContext.getBeansOfType(Processor.class);

    // assert that there is only one evolution context bean in the app. context
    if (evolutionContextsMap.size() != 1) {
        throw new RuntimeException("Application context contains " + evolutionContextsMap.size()
                + " EvolutionContext beans, but must contain only 1.");
    }

    // assert that there is only one completion criteria bean in the app context
    if (completionCriteriaMap.size() != 1) {
        throw new RuntimeException("Application context contains " + completionCriteriaMap.size()
                + "CompletionCondition beans, but must contain only 1.");
    }

    // get the evolution context and completion condition from their maps
    @SuppressWarnings("rawtypes")
    final EvolutionContext evolutionContext = MapUtils.firstValue(evolutionContextsMap);
    @SuppressWarnings("rawtypes")
    final CompletionCondition completionCondition = MapUtils.firstValue(completionCriteriaMap);

    try {
        // while the criteria has not been satisfied, create the next generation
        while (!completionCondition.execute(evolutionContext)) {
            // create the next generation in the evolution
            evolutionContext.stepGeneration();

            // perform all post-processing on the evolution context
            for (@SuppressWarnings("rawtypes")
            final Processor processor : processorMap.values()) {
                processor.process(evolutionContext);
            }
        }
    } catch (final CompletionException exception) {
        throw new RuntimeException(exception);
    } catch (final EvolutionException exception) {
        throw new RuntimeException(exception);
    } catch (final ProcessingException exception) {
        throw new RuntimeException(exception);
    }
}

---

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