Example usage for java.util HashSet HashSet

Introduction

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

Prototype

public HashSet() 

Source Link

Document

Constructs a new, empty set; the backing HashMap instance has default initial capacity (16) and load factor (0.75).

Usage

From source file:Main.java

public static void main(String[] args) throws Exception {
    DocumentBuilderFactory domFactory = DocumentBuilderFactory.newInstance();
    domFactory.setValidating(false);/*www . ja v  a2  s . c  o m*/
    domFactory.setNamespaceAware(true);
    domFactory.setIgnoringComments(true);
    domFactory.setIgnoringElementContentWhitespace(true);

    DocumentBuilder builder = domFactory.newDocumentBuilder();
    Document dDoc = builder.parse("C:/data.xsd");

    Node rootNode = dDoc.getElementsByTagName("xs:schema").item(0);
    System.out.println(rootNode.getNodeName());

    XPath xPath1 = XPathFactory.newInstance().newXPath();
    NamespaceContext nsContext = new NamespaceContext() {
        @Override
        public String getNamespaceURI(String prefix) {
            return "http://www.w3.org/2001/XMLSchema";
        }

        @Override
        public String getPrefix(String namespaceURI) {
            return "xs";
        }

        @Override
        public Iterator getPrefixes(String namespaceURI) {
            Set s = new HashSet();
            s.add("xs");
            return s.iterator();
        }
    };
    xPath1.setNamespaceContext((NamespaceContext) nsContext);
    NodeList nList1 = (NodeList) xPath1.evaluate("//xs:schema", dDoc, XPathConstants.NODESET);
    System.out.println(nList1.item(0).getNodeName());

    NodeList nList2 = (NodeList) xPath1.evaluate("//xs:element", rootNode, XPathConstants.NODESET);
    System.out.println(nList2.item(0).getNodeName());
}

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From source file:FindDups.java

public static void main(String[] args) {
    Set<String> s = new HashSet<String>();
    for (String a : args)
        s.add(a);//from   w  w  w  .j  av  a 2s.  com
    System.out.println(s.size() + " distinct words: " + s);
}

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From source file:GoogleImages.java

public static void main(String[] args) throws InterruptedException {
    String searchTerm = "s woman"; // term to search for (use spaces to separate terms)
    int offset = 40; // we can only 20 results at a time - use this to offset and get more!
    String fileSize = "50mp"; // specify file size in mexapixels (S/M/L not figured out yet)
    String source = null; // string to save raw HTML source code

    // format spaces in URL to avoid problems
    searchTerm = searchTerm.replaceAll(" ", "%20");

    // get Google image search HTML source code; mostly built from PhyloWidget example:
    // http://code.google.com/p/phylowidget/source/browse/trunk/PhyloWidget/src/org/phylowidget/render/images/ImageSearcher.java
    int offset2 = 0;
    Set urlsss = new HashSet<String>();
    while (offset2 < 600) {
        try {/*w  w w.  java 2 s  . co  m*/
            URL query = new URL("https://www.google.ru/search?start=" + offset2
                    + "&q=angry+woman&newwindow=1&client=opera&hs=bPE&source=lnms&tbm=isch&sa=X&ved=0ahUKEwiAgcKozIfNAhWoHJoKHSb_AUoQ_AUIBygB&biw=1517&bih=731&dpr=0.9#imgrc=G_1tH3YOPcc8KM%3A");
            HttpURLConnection urlc = (HttpURLConnection) query.openConnection(); // start connection...
            urlc.setInstanceFollowRedirects(true);
            urlc.setRequestProperty("User-Agent", "");
            urlc.connect();
            BufferedReader in = new BufferedReader(new InputStreamReader(urlc.getInputStream())); // stream in HTTP source to file
            StringBuffer response = new StringBuffer();
            char[] buffer = new char[1024];
            while (true) {
                int charsRead = in.read(buffer);
                if (charsRead == -1) {
                    break;
                }
                response.append(buffer, 0, charsRead);
            }
            in.close(); // close input stream (also closes network connection)
            source = response.toString();
        } // any problems connecting? let us know
        catch (Exception e) {
            e.printStackTrace();
        }

        // print full source code (for debugging)
        // println(source);
        // extract image URLs only, starting with 'imgurl'
        if (source != null) {
            //                System.out.println(source);
            int c = StringUtils.countMatches(source, "http://www.vmir.su");
            System.out.println(c);
            int index = source.indexOf("src=");
            System.out.println(source.subSequence(index, index + 200));
            while (index >= 0) {
                System.out.println(index);
                index = source.indexOf("src=", index + 1);
                if (index == -1) {
                    break;
                }
                String rr = source.substring(index,
                        index + 200 > source.length() ? source.length() : index + 200);

                if (rr.contains("\"")) {
                    rr = rr.substring(5, rr.indexOf("\"", 5));
                }
                System.out.println(rr);
                urlsss.add(rr);
            }
        }
        offset2 += 20;
        Thread.sleep(1000);
        System.out.println("off set = " + offset2);

    }

    System.out.println(urlsss);
    urlsss.forEach(new Consumer<String>() {

        public void accept(String s) {
            try {
                saveImage(s, "C:\\Users\\Java\\Desktop\\ang\\" + UUID.randomUUID().toString() + ".jpg");
            } catch (IOException ex) {
                Logger.getLogger(GoogleImages.class.getName()).log(Level.SEVERE, null, ex);
            }
        }
    });
    //            String[][] m = matchAll(source, "img height=\"\\d+\" src=\"([^\"]+)\"");

    // older regex, no longer working but left for posterity
    // built partially from: http://www.mkyong.com/regular-expressions/how-to-validate-image-file-extension-with-regular-expression
    // String[][] m = matchAll(source, "imgurl=(.*?\\.(?i)(jpg|jpeg|png|gif|bmp|tif|tiff))");    // (?i) means case-insensitive
    //            for (int i = 0; i < m.length; i++) {                                                          // iterate all results of the match
    //                println(i + ":\t" + m[i][1]);                                                         // print (or store them)**
    //            }
}

---

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

/**
 * The main method./*from ww  w  .  j a  va2  s  . com*/
 *
 * @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:com.ignorelist.kassandra.steam.scraper.SharedConfig.java

public static void main(String[] args) throws IOException {
    Set<String> tags = new HashSet<>();
    for (Path p : new PathResolver().findSharedConfig()) {
        SharedConfig sharedConfig = new SharedConfig(p);
        for (Long gameId : sharedConfig.getGameIds()) {
            tags.addAll(sharedConfig.getTags(gameId));
        }//from   ww w . j a va 2s.c o  m
    }
    System.err.println(Joiner.on("\n").join(tags));
}

---

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

/**
 * The entry point./* w w  w.  j av  a  2 s. c o  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:io.fabric8.vertx.maven.plugin.FileFilterMain.java

public static void main(String[] args) {

    Commandline commandline = new Commandline();
    commandline.setExecutable("java");
    commandline.createArg().setValue("io.vertx.core.Launcher");
    commandline.createArg().setValue("--redeploy=target/**/*");

    System.out.println(commandline);/*  ww  w.j  ava 2  s  .  c  o m*/

    File baseDir = new File("/Users/kameshs/git/fabric8io/vertx-maven-plugin/samples/vertx-demo");
    List<String> includes = new ArrayList<>();
    includes.add("src/**/*.java");
    //FileAlterationMonitor monitor  = null;
    try {

        Set<Path> inclDirs = new HashSet<>();

        includes.forEach(s -> {
            try {

                if (s.startsWith("**")) {
                    Path rootPath = Paths.get(baseDir.toString());
                    if (Files.exists(rootPath)) {
                        File[] dirs = rootPath.toFile().listFiles((dir, name) -> dir.isDirectory());
                        Objects.requireNonNull(dirs);
                        Stream.of(dirs).forEach(f -> inclDirs.add(Paths.get(f.toString())));
                    }
                } else if (s.contains("**")) {
                    String root = s.substring(0, s.indexOf("/**"));
                    Path rootPath = Paths.get(baseDir.toString(), root);
                    if (Files.exists(rootPath)) {
                        File[] dirs = rootPath.toFile().listFiles((dir, name) -> dir.isDirectory());
                        Objects.requireNonNull(dirs);
                        Stream.of(dirs).forEach(f -> inclDirs.add(Paths.get(f.toString())));
                    }
                }

                List<Path> dirs = FileUtils.getFileAndDirectoryNames(baseDir, s, null, true, true, true, true)
                        .stream().map(FileUtils::dirname).map(Paths::get)
                        .filter(p -> Files.exists(p) && Files.isDirectory(p)).collect(Collectors.toList());

                inclDirs.addAll(dirs);

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

        FileAlterationMonitor monitor = fileWatcher(inclDirs);

        Runnable monitorTask = () -> {
            try {
                monitor.start();
            } catch (Exception e) {
                e.printStackTrace();
            }
        };

        monitorTask.run();

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

}

---

From source file:io.reactiverse.vertx.maven.plugin.FileFilterMain.java

public static void main(String[] args) {

    Commandline commandline = new Commandline();
    commandline.setExecutable("java");
    commandline.createArg().setValue("io.vertx.core.Launcher");
    commandline.createArg().setValue("--redeploy=target/**/*");

    System.out.println(commandline);//from w w w. ja  v  a  2s.  c o  m

    File baseDir = new File("/Users/kameshs/git/reactiverse/vertx-maven-plugin/samples/vertx-demo");
    List<String> includes = new ArrayList<>();
    includes.add("src/**/*.java");
    //FileAlterationMonitor monitor  = null;
    try {

        Set<Path> inclDirs = new HashSet<>();

        includes.forEach(s -> {
            try {

                if (s.startsWith("**")) {
                    Path rootPath = Paths.get(baseDir.toString());
                    if (Files.exists(rootPath)) {
                        File[] dirs = rootPath.toFile().listFiles((dir, name) -> dir.isDirectory());
                        Objects.requireNonNull(dirs);
                        Stream.of(dirs).forEach(f -> inclDirs.add(Paths.get(f.toString())));
                    }
                } else if (s.contains("**")) {
                    String root = s.substring(0, s.indexOf("/**"));
                    Path rootPath = Paths.get(baseDir.toString(), root);
                    if (Files.exists(rootPath)) {
                        File[] dirs = rootPath.toFile().listFiles((dir, name) -> dir.isDirectory());
                        Objects.requireNonNull(dirs);
                        Stream.of(dirs).forEach(f -> inclDirs.add(Paths.get(f.toString())));
                    }
                }

                List<Path> dirs = FileUtils.getFileAndDirectoryNames(baseDir, s, null, true, true, true, true)
                        .stream().map(FileUtils::dirname).map(Paths::get)
                        .filter(p -> Files.exists(p) && Files.isDirectory(p)).collect(Collectors.toList());

                inclDirs.addAll(dirs);

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

        FileAlterationMonitor monitor = fileWatcher(inclDirs);

        Runnable monitorTask = () -> {
            try {
                monitor.start();
            } catch (Exception e) {
                e.printStackTrace();
            }
        };

        monitorTask.run();

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

}

---

From source file:edu.cuhk.hccl.evaluation.EvaluationApp.java

public static void main(String[] args) throws IOException, TasteException {
    File realFile = new File(args[0]);
    File estimateFile = new File(args[1]);

    // Build real-rating map
    Map<String, long[]> realMap = buildRatingMap(realFile);

    // Build estimate-rating map
    Map<String, long[]> estimateMap = buildRatingMap(estimateFile);

    // Compare realMap with estimateMap
    Map<Integer, List<Double>> realList = new HashMap<Integer, List<Double>>();
    Map<Integer, List<Double>> estimateList = new HashMap<Integer, List<Double>>();

    // Use set to store non-duplicate pairs only
    Set<String> noRatingList = new HashSet<String>();

    for (String pair : realMap.keySet()) {
        long[] realRatings = realMap.get(pair);
        long[] estimateRatings = estimateMap.get(pair);

        if (realRatings == null || estimateRatings == null)
            continue;

        for (int i = 0; i < realRatings.length; i++) {
            long real = realRatings[i];
            long estimate = estimateRatings[i];

            // continue if the aspect rating can not be estimated due to incomplete reviews
            if (estimate <= 0) {
                noRatingList.add(pair.replace("@", "\t"));
                continue;
            }/*from  ww  w .  j ava  2 s  .co m*/

            if (real > 0 && estimate > 0) {
                if (!realList.containsKey(i))
                    realList.put(i, new ArrayList<Double>());

                realList.get(i).add((double) real);

                if (!estimateList.containsKey(i))
                    estimateList.put(i, new ArrayList<Double>());

                estimateList.get(i).add((double) estimate);
            }
        }
    }

    System.out.println("[INFO] RMSE, MAE for estimate ratings: ");
    System.out.println("------------------------------");
    System.out.println("Index \t RMSE \t MAE");
    for (int i = 1; i < 6; i++) {
        double rmse = Metric.computeRMSE(realList.get(i), estimateList.get(i));
        double mae = Metric.computeMAE(realList.get(i), estimateList.get(i));

        System.out.printf("%d \t %.3f \t %.3f \n", i, rmse, mae);
    }

    System.out.println("------------------------------");

    if (noRatingList.size() > 0) {
        String noRatingFileName = "evaluation-no-ratings.txt";
        FileUtils.writeLines(new File(noRatingFileName), noRatingList, false);

        System.out.println("[INFO] User-item pairs with no ratings are saved in file: " + noRatingFileName);
    } else {
        System.out.println("[INFO] All user-item pairs have ratings.");
    }
}

---

From source file:SetStuff.java

public static void main(String[] args) {

    // Create two sets.
    Set s1 = new HashSet();
    s1.add("Ian Darwin");
    s1.add("Bill Dooley");
    s1.add("Jesse James");

    Set s2 = new HashSet();
    s2.add("Ian Darwin");
    s2.add("Doolin' Dalton");

    Set union = new TreeSet(s1);
    union.addAll(s2); // now contains the union

    print("union", union);

    Set intersect = new TreeSet(s1);
    intersect.retainAll(s2);/*from w  w  w .  j a v  a  2  s.c  om*/

    print("intersection", intersect);

}

---

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