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:com.rdsic.pileconstructionmanagement.test.Test.java

public static void main(String[] args) {
    String sql = "select * from user";

    List<Map<String, Object>> list = (ArrayList) GenericHql.INSTANCE.querySQL(sql, 20);

    if (!list.isEmpty()) {
        System.out.println("cnt:" + list.size());

        JSONObject r = new JSONObject();
        r.put("items", list);

        System.out.println(r.toString());

        list.stream().map((item) -> {
            System.out.println("RECORD");
            return item;
        }).forEach((item) -> {//  w w  w  . j  a v a 2 s  .  c  o  m

            for (String k : item.keySet()) {
                JSONObject j = new JSONObject(item);
                System.out.println(j.toString());

                System.out.println(StringUtils.rightPad(k, 20, " ") + item.get(k).toString());
            }
        });
    }
    System.exit(0);
}

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From source file:DbUtilsUseMapMySQL.java

public static void main(String[] args) {
    Connection conn = null;/*from  w  w  w.j  av  a2 s  . c  o  m*/
    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 mapList = (List) qRunner.query(conn, "select id, name from animals_table", new MapListHandler());

        for (int i = 0; i < mapList.size(); i++) {
            Map map = (Map) mapList.get(i);
            System.out.println("id=" + map.get("id"));
            System.out.println("name=" + map.get("name"));
            System.out.println("-----------------");
        }

        System.out.println("DbUtils_UseMap_MySQL: end.");

    } catch (SQLException e) {
        // handle the exception
        e.printStackTrace();
    } finally {
        DbUtils.closeQuietly(conn);
    }
}

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From source file:com.plexobject.testplayer.dao.hibernate.MethodDaoHibernate.java

public static void main(String[] args) throws Exception {
    MethodDaoHibernate dao = new MethodDaoHibernate();
    createTable();/*from  w w  w . j  a v a  2  s  .co m*/
    /*
         for (int i=0; i<10; i++) {
             MethodEntry method = new MethodEntry(
                2000+i,
                2000+i-1,
                "caller",
                "callee",
                "void main(String[] args)",
                new Object[] {"args"},
                true,
                i);
              dao.save(method);
         }
    */
    List<MethodEntry> list = dao.findAll();
    System.out.println("Printing " + list.size() + ":\n" + list);
    if (list.size() > 0) {
        System.out.println("First " + dao.findById(list.get(0).getId()));
    }
}

---

From source file:Main.java

public static void main(String... args) {
    try {/*from ww w  .  ja v a2s  .com*/
        Class<?> c = Class.forName(args[0]);
        out.format("Class:%n  %s%n%n", c.getCanonicalName());
        out.format("Modifiers:%n  %s%n%n", Modifier.toString(c.getModifiers()));

        out.format("Type Parameters:%n");
        TypeVariable[] tv = c.getTypeParameters();
        if (tv.length != 0) {
            out.format("  ");
            for (TypeVariable t : tv)
                out.format("%s ", t.getName());
            out.format("%n%n");
        } else {
            out.format("  -- No Type Parameters --%n%n");
        }

        out.format("Implemented Interfaces:%n");
        Type[] intfs = c.getGenericInterfaces();
        if (intfs.length != 0) {
            for (Type intf : intfs)
                out.format("  %s%n", intf.toString());
            out.format("%n");
        } else {
            out.format("  -- No Implemented Interfaces --%n%n");
        }

        out.format("Inheritance Path:%n");
        List<Class> l = new ArrayList<Class>();
        printAncestor(c, l);
        if (l.size() != 0) {
            for (Class<?> cl : l)
                out.format("  %s%n", cl.getCanonicalName());
            out.format("%n");
        } else {
            out.format("  -- No Super Classes --%n%n");
        }

        out.format("Annotations:%n");
        Annotation[] ann = c.getAnnotations();
        if (ann.length != 0) {
            for (Annotation a : ann)
                out.format("  %s%n", a.toString());
            out.format("%n");
        } else {
            out.format("  -- No Annotations --%n%n");
        }

        // production code should handle this exception more gracefully
    } catch (ClassNotFoundException x) {
        x.printStackTrace();
    }
}

---

From source file:Main.java

public static void main(String[] args) {

    List<String> theList = new LinkedList<String>();
    theList.add("A");
    theList.add("B");
    theList.add("C");
    theList.add("D");

    String[] my = theList.toArray(new String[theList.size()]);

    for (int i = 0; i < my.length; i++) {
        System.out.println(my[i]);
    }//from  w  ww. j  ava  2  s .  c  o  m
}

---

From source file:com.aerospike.example.cache.AsACache.java

public static void main(String[] args) throws AerospikeException {
    try {//w ww  .j av  a2s .  c o m
        Options options = new Options();
        options.addOption("h", "host", true, "Server hostname (default: 127.0.0.1)");
        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", "127.0.0.1");
        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;
        }

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

        as.work();

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

---

From source file:org.openplans.delayfeeder.LoadFeeds.java

public static void main(String args[]) throws HibernateException, IOException {
    if (args.length != 1) {
        System.out.println("expected one argument: the path to a csv of agency,route,url");
    }//from w w  w  .ja  v  a2 s.c  o m
    GenericApplicationContext context = new GenericApplicationContext();
    XmlBeanDefinitionReader xmlReader = new XmlBeanDefinitionReader(context);
    xmlReader.loadBeanDefinitions("org/openplans/delayfeeder/application-context.xml");
    xmlReader.loadBeanDefinitions("data-sources.xml");

    SessionFactory sessionFactory = (SessionFactory) context.getBean("sessionFactory");

    Session session = sessionFactory.getCurrentSession();
    Transaction tx = session.beginTransaction();

    FileReader fileReader = new FileReader(new File(args[0]));
    BufferedReader bufferedReader = new BufferedReader(fileReader);
    while (bufferedReader.ready()) {
        String line = bufferedReader.readLine().trim();
        if (line.startsWith("#")) {
            continue;
        }
        if (line.length() < 3) {
            //blank or otherwise broken line
            continue;
        }

        String[] parts = line.split(",");
        String agency = parts[0];
        String route = parts[1];
        String url = parts[2];
        Query query = session.createQuery("from RouteFeed where agency = :agency and route = :route");
        query.setParameter("agency", agency);
        query.setParameter("route", route);
        @SuppressWarnings("rawtypes")
        List list = query.list();
        RouteFeed feed;
        if (list.size() == 0) {
            feed = new RouteFeed();
            feed.agency = agency;
            feed.route = route;
            feed.lastEntry = new GregorianCalendar();
        } else {
            feed = (RouteFeed) list.get(0);
        }
        if (!url.equals(feed.url)) {
            feed.url = url;
            feed.lastEntry.setTimeInMillis(0);
        }
        session.saveOrUpdate(feed);
    }
    tx.commit();
}

---

From source file:com.javacreed.examples.spring.Example1.java

public static void main(final String[] args) throws Exception {
    final ComboPooledDataSource ds = DbUtils.createDs();
    try {/*  w w w  .  j  a  v  a 2 s  . c o m*/
        final JdbcTemplate jdbcTemplate = new JdbcTemplate(ds);

        Example1.LOGGER.debug("Reading all rows");
        final List<Data> rows = jdbcTemplate.query("SELECT * FROM `big_table`", Data.ROW_MAPPER);

        Example1.LOGGER.debug("All records read ({} records)", rows.size());

        // Sleep a bit so that it shows better on the profiler
        TimeUnit.SECONDS.sleep(10);
    } finally {
        DbUtils.closeQuietly(ds);
    }
    Example1.LOGGER.debug("Done");
}

---

From source file:com.sun.labs.aura.grid.ec2.Ec2Sample.java

public static void main(String[] args) throws Exception {
    Properties props = new Properties();
    props.load(Ec2Sample.class.getResourceAsStream("aws.properties"));
    Jec2 ec2 = new Jec2(props.getProperty("aws.accessId"), props.getProperty("aws.secretKey"));

    List<String> params = new ArrayList<String>();
    List<ImageDescription> images = ec2.describeImages(params);
    System.out.println(String.format("%d available images", images.size()));
    for (ImageDescription img : images) {
        if (img.getImageState().equals("available")) {
            System.out.println(img.getImageId() + "\t" + img.getImageLocation() + "\t" + img.getImageOwnerId());
        }/*from www .ja v  a  2  s  .  co m*/
    }

    // describe instances
    params = new ArrayList<String>();
    List<ReservationDescription> instances = ec2.describeInstances(params);
    System.out.println(String.format("%d instances", instances.size()));
    String instanceId = null;
    for (ReservationDescription res : instances) {
        System.out.println(res.getOwner() + "\t" + res.getReservationId());
        if (res.getInstances() != null) {
            for (Instance inst : res.getInstances()) {
                System.out.println("\t" + inst.getImageId() + "\t" + inst.getDnsName() + "\t" + inst.getState()
                        + "\t" + inst.getKeyName());
                instanceId = inst.getInstanceId();
            }
        }
    }

    // test console output
    if (instanceId != null) {
        ConsoleOutput consOutput = ec2.getConsoleOutput(instanceId);
        System.out.println("Console Output:");
        System.out.println(consOutput.getOutput());
    }

    // show keypairs
    List<KeyPairInfo> info = ec2.describeKeyPairs(new String[] {});
    System.out.println("keypair list");
    for (KeyPairInfo i : info) {
        System.out.println("keypair : " + i.getKeyName() + ", " + i.getKeyFingerprint());
    }
}

---

From source file:com.rmzone.core.App.java

public static void main(String[] args) {
    // set up mongo
    ApplicationContext ctx = new AnnotationConfigApplicationContext(SpringMongoConfig.class);
    MongoOperations mongoOperation = (MongoOperations) ctx.getBean("mongoTemplate");

    // create and save some users
    List<User> users = new ArrayList<User>();
    users.add(new User("1001", "foo", "bar"));
    users.add(new User("1002", "mickey", "mouse"));

    for (User user : users)
        mongoOperation.save("users", user);

    // create and save some documents
    Tire tire = new Tire("Michelin", "Alpine", 1, users.get(0), Calendar.getInstance().getTime(), 14, 12, 3);
    mongoOperation.save("documents", tire);

    Engine engine = new Engine("Model T", "Wow", 1, users.get(0), Calendar.getInstance().getTime());
    engine.setHorsePower(16.4f);//from w w  w  . j  ava2 s .  c o m
    mongoOperation.save("documents", engine);

    Car car = new Car("Pinto", "don't touch me!", 1, users.get(0), Calendar.getInstance().getTime());
    car.setMake("Ford");
    car.setColor("Blue");
    car.setEngine(engine);

    // sorry not very elegant
    car.setTires(new ArrayList<Tire>());
    for (int i = 0; i < 4; i++)
        car.getTires().add(tire);
    mongoOperation.save("documents", car);

    // dump all the data        
    List<User> listUser = mongoOperation.getCollection("users", User.class);
    System.out.println("Number of users = " + listUser.size());
    for (User user : listUser)
        System.out.println(user.toString());

    List<DocumentMaster> listDocument = mongoOperation.getCollection("documents", DocumentMaster.class);
    System.out.println("Number of documents = " + listDocument.size());
    for (DocumentMaster document1 : listDocument)
        System.out.println(document1.toString());

    // delete everything
    mongoOperation.dropCollection("users");
    mongoOperation.dropCollection("documents");
}

---

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