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:Main.java

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

    File xml = new File("yourFile.xml");

    Document doc = (Document) new SAXBuilder().build(xml);
    Element rootNode = doc.getRootElement();
    List list = rootNode.getChildren("staff");
    XMLOutputter xmlOut = new XMLOutputter();

    for (int i = 0; i < list.size(); i++) {

        Element node = (Element) list.get(i);
        if (node.getChildText("firstname").equals("sanjay"))
            node.getChild("salary").getChild("basic").setText("250000");
        xmlOut.setFormat(Format.getPrettyFormat());
        xmlOut.output(doc, new FileWriter("yourFile.xml"));
    }/*from www. ja  va  2 s .  c  o  m*/
}

From source file:Main.java

public static void main(String[] args) {
    String[] peoples = { "A", "B", "C", "D", "E", "F" };
    List<String> names = Arrays.asList(peoples);

    for (int i = 0; i < peoples.length; i++) {
        int index = new Random().nextInt(names.size());
        String anynames = names.get(index);
        System.out.println(anynames);

    }/* ww w . j  a  va  2 s .  c  o  m*/

}

From source file:com.tomdoel.mpg2dcm.Mpg2Dcm.java

public static void main(String[] args) {
    try {/*from ww w  . ja v  a  2  s. c o m*/
        final Options helpOptions = new Options();
        helpOptions.addOption("h", false, "Print help for this application");

        final DefaultParser parser = new DefaultParser();
        final CommandLine commandLine = parser.parse(helpOptions, args);

        if (commandLine.hasOption('h')) {
            final String helpHeader = "Converts an mpeg2 video file to Dicom\n\n";
            String helpFooter = "\nPlease report issues at github.com/tomdoel/mpg2dcm";

            final HelpFormatter helpFormatter = new HelpFormatter();
            helpFormatter.printHelp("Mpg2Dcm mpegfile dicomfile", helpHeader, helpOptions, helpFooter, true);

        } else {
            final List<String> remainingArgs = commandLine.getArgList();
            if (remainingArgs.size() < 2) {
                throw new org.apache.commons.cli.ParseException("ERROR : Not enough arguments specified.");
            }

            final String mpegFileName = remainingArgs.get(0);
            final String dicomFileName = remainingArgs.get(1);
            final File mpegFile = new File(mpegFileName);
            final File dicomOutputFile = new File(dicomFileName);
            MpegFileConverter.convert(mpegFile, dicomOutputFile);
        }
    } catch (org.apache.commons.cli.ParseException e) {
        e.printStackTrace();
    } catch (IOException e) {
        e.printStackTrace();
    }
}

From source file:Main.java

public static void main(String[] args) {

    List<String> friends = Arrays.asList("A", "B", "C", "D");

    //external iterate with index == evil
    for (int i = 0; i < friends.size(); i++) {
        System.out.println(friends.get(i));
    }/*w  w  w .  j ava  2  s . com*/

    //external iterate on collection, better but ... external
    for (String friend : friends) {
        System.out.println(friend);
    }

    //lambda
    friends.forEach(s -> System.out.println(s));

    //lambda reference
    friends.forEach(System.out::println);
}

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

public static void main(String[] args) throws Exception {
    MethodStatsDaoHibernate dao = new MethodStatsDaoHibernate();
    createTable();//from  w w w.  j  av  a2  s .  co m
    for (int i = 0; i < 10; i++) {
        MethodStats method = new MethodStats("void main" + i + "(String[] args)", 2000 + i, 2000 + i, 2000 + i,
                2000 + i, false, new Date());
        dao.save(method);
    }
    /*
    */
    List<MethodStats> list = dao.findAll();
    System.out.println("Printing " + list.size() + ":\n" + list);
    if (list.size() > 0) {
        System.out.println("First " + dao.findById(list.get(0).getSignature()));
    }
}

From source file:egovframework.standalone.SampleMain.java

public static void main(String[] args) {
    ApplicationContext context = new ClassPathXmlApplicationContext(
            new String[] { "classpath:/egovframework/spring/context-*.xml" });

    EgovSampleService service = (EgovSampleService) context.getBean("sampleService");

    SampleDefaultVO searchVO = new SampleDefaultVO();

    try {/*ww w. j  a v a2s.co m*/
        List list = service.selectSampleList(searchVO);

        System.out.println("selectSampleList : " + list.size());
    } catch (Exception ex) {
        ex.printStackTrace();
    }
}

From source file:org.seasar.dao.spring.example.EmployeeAutoDaoClient.java

public static void main(final String[] args) {
    final BeanFactoryLocator locator = ContextSingletonBeanFactoryLocator.getInstance();
    final BeanFactoryReference ref = locator.useBeanFactory("context");
    final ApplicationContext context = (ApplicationContext) ref.getFactory();
    try {// w  w w .j  av a 2  s.  com
        final EmployeeAutoDao dao = (EmployeeAutoDao) context.getBean("employeeAutoDao");

        dao.getEmployeeByJobDeptno(null, null);
        dao.getEmployeeByJobDeptno("CLERK", null);
        dao.getEmployeeByJobDeptno(null, new Integer(20));
        dao.getEmployeeByJobDeptno("CLERK", new Integer(20));

        List employees = dao.getEmployeesBySal(0, 1000);
        for (int i = 0; i < employees.size(); ++i) {
            System.out.println(employees.get(i));
        }

        employees = dao.getEmployeeByDname("SALES");
        for (int i = 0; i < employees.size(); ++i) {
            System.out.println(employees.get(i));
        }

        final EmployeeSearchCondition dto = new EmployeeSearchCondition();
        dto.setDname("RESEARCH");
        employees = dao.getEmployeesBySearchCondition(dto);
        for (int i = 0; i < employees.size(); ++i) {
            System.out.println(employees.get(i));
        }

        final Employee employee = dao.getEmployeeByEmpno(7788);
        System.out.println("before timestamp:" + employee.getTimestamp());
        dao.update(employee);
        System.out.println("after timestamp:" + employee.getTimestamp());
    } finally {
        ref.release();
    }

}

From source file:au.org.ala.layers.client.Client.java

public static void main(String[] args) {
    System.out.println("Layers Store CLI client");

    ApplicationContext context = new ClassPathXmlApplicationContext("spring/app-config.xml");

    LayerDAO layerDao = (LayerDAO) context.getBean("layerDao");
    List<Layer> layers = layerDao.getLayers();
    System.out.println("Got " + layers.size() + " layers");
    Iterator<Layer> it = layers.iterator();
    while (it.hasNext()) {
        Layer l = it.next();/*  ww w. j  a va  2s .  c  om*/
        System.out.println(" > " + l.getName());
    }
}

From source file:Main.java

public static void main(String[] args) {
    Integer[] arr = { 1, 2, 3, 1, 4, 4, 1, 5 };
    System.out.println(Arrays.toString(arr));
    List<Integer> l = Arrays.asList(arr);

    System.out.println(l);/*from   www.j  a  va  2s .c o m*/

    Set<Integer> set = new HashSet<Integer>();
    for (int j = 0; j < l.size(); j++) {
        if (Collections.frequency(l, l.get(j)) > 1) {
            set.add(l.get(j));
        }
    }
    System.out.println("dups are:" + set);
}

From source file:Test.java

public static void main(String[] args) {
    RuntimeMXBean mxBean = ManagementFactory.getPlatformMXBean(RuntimeMXBean.class);

    System.out.println("JVM Name: " + mxBean.getName());
    System.out.println("JVM Specification Name: " + mxBean.getSpecName());
    System.out.println("JVM Specification Version: " + mxBean.getSpecVersion());
    System.out.println("JVM Implemenation Name: " + mxBean.getVmName());
    System.out.println("JVM Implemenation Vendor: " + mxBean.getVmVendor());
    System.out.println("JVM Implemenation Version: " + mxBean.getVmVersion());

    // Using the getPlatformMXBeans method
    List<OperatingSystemMXBean> list = ManagementFactory.getPlatformMXBeans(OperatingSystemMXBean.class);
    System.out.println("size: " + list.size());
    for (OperatingSystemMXBean bean : list) {
        System.out.println("Operating System Name: " + bean.getName());
        System.out.println("Operating System Architecture: " + bean.getArch());
        System.out.println("Operating System Version: " + bean.getVersion());
    }/* www. j a  v a 2  s  .c o  m*/

}