Example usage for java.util ListIterator next

List of usage examples for java.util ListIterator next

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Introduction

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

Prototype

E next();

Source Link

Document

Returns the next element in the list and advances the cursor position.

Usage

From source file:MainClass.java

public static void main(String args[]) {
    ArrayList<String> al = new ArrayList<String>();

    al.add("C");//from   w  w w. java 2s .c  o m
    al.add("A");
    al.add("E");
    al.add("B");
    al.add("D");
    al.add("F");

    System.out.print("Original contents of al: ");
    Iterator<String> itr = al.iterator();
    while (itr.hasNext()) {
        String element = itr.next();
        System.out.print(element + " ");
    }
    System.out.println();

    ListIterator<String> litr = al.listIterator();
    while (litr.hasNext()) {
        String element = litr.next();
        litr.set(element + "+");
    }

    // Now, display the list backwards.
    System.out.print("Modified list backwards: ");
    while (litr.hasPrevious()) {
        String element = litr.previous();
        System.out.print(element + " ");
    }
}

From source file:Main.java

public static void main(String[] args) {
    LinkedList<String> lList = new LinkedList<String>();

    lList.add("1");
    lList.add("2");
    lList.add("3");
    lList.add("4");
    lList.add("5");

    ListIterator itr = lList.listIterator();
    System.out.println("forward direction");

    while (itr.hasNext()) {
        System.out.println(itr.next());
    }/*from   ww  w  .  j  a v  a  2 s.com*/
    System.out.println("reverse direction");
    while (itr.hasPrevious()) {
        System.out.println(itr.previous());
    }
}

From source file:Employee.java

public static void main(String[] args) {
    String[] names = { "A", "B", "C", "D" };

    double[] salaries = { 2.0, 5.0, 6.0, 4.0 };

    List l = new ArrayList();

    for (int i = 0; i < names.length; i++)
        l.add(new Employee(names[i], salaries[i]));

    Collections.sort(l);// w w  w.  j  a  v  a  2s  .  co m

    ListIterator liter = l.listIterator();

    while (liter.hasNext())
        System.out.println(liter.next());

    Collections.sort(l, new Employee.SalaryComparator());

    liter = l.listIterator();

    while (liter.hasNext())
        System.out.println(liter.next());
}

From source file:Main.java

public static void main(String[] args) {
    List<String> list = new ArrayList<>();
    list.add("Oracle");
    list.add("SQL");
    list.add("CSS");
    list.add("XML");
    System.out.println("List: " + list);
    // Get the list iterator
    ListIterator<String> iterator = list.listIterator();
    while (iterator.hasNext()) {
        int index = iterator.nextIndex();
        String element = iterator.next();
        System.out.println("Index=" + index + ", Element=" + element);
    }/*from  ww w .j a  v a  2 s .c  o  m*/
    // Reuse the iterator to iterate from the end to the beginning
    while (iterator.hasPrevious()) {
        int index = iterator.previousIndex();
        String element = iterator.previous();
        System.out.println("Index=" + index + ",  Element=" + element);
    }
}

From source file:Main.java

public static void main(String[] args) {

    ArrayList<String> arrayList = new ArrayList<String>();
    arrayList.add("1");
    arrayList.add("2");
    arrayList.add("3");
    arrayList.add("4");
    arrayList.add("5");

    ListIterator itr = arrayList.listIterator();
    System.out.println("in forward direction");
    while (itr.hasNext()) {
        System.out.println(itr.next());
    }/*from  www.j  a v a  2  s .  c o m*/

    System.out.println("in backward direction");
    while (itr.hasPrevious()) {
        System.out.println(itr.previous());
    }
}

From source file:LinkedListTest.java

public static void main(String[] args) {
    List<String> a = new LinkedList<String>();
    a.add("Amy");
    a.add("Carl");
    a.add("Erica");

    List<String> b = new LinkedList<String>();
    b.add("Bob");
    b.add("Doug");
    b.add("Frances");
    b.add("Gloria");

    // merge the words from b into a

    ListIterator<String> aIter = a.listIterator();
    Iterator<String> bIter = b.iterator();

    while (bIter.hasNext()) {
        if (aIter.hasNext())
            aIter.next();
        aIter.add(bIter.next());/*from www  . ja  v  a  2  s.  co m*/
    }

    System.out.println(a);

    // remove every second word from b

    bIter = b.iterator();
    while (bIter.hasNext()) {
        bIter.next(); // skip one element
        if (bIter.hasNext()) {
            bIter.next(); // skip next element
            bIter.remove(); // remove that element
        }
    }

    System.out.println(b);

    // bulk operation: remove all words in b from a

    a.removeAll(b);

    System.out.println(a);
}

From source file:Main.java

public static void main(String[] args) {
    ArrayList<String> aList = new ArrayList<String>();

    aList.add("1");
    aList.add("2");
    aList.add("3");
    aList.add("4");
    aList.add("java2s.com");

    ListIterator<String> listIterator = aList.listIterator();
    System.out.println("Previous: " + listIterator.previousIndex());
    System.out.println("Next: " + listIterator.nextIndex());

    // advance current position by one using next method
    listIterator.next();
    System.out.println("Previous: " + listIterator.previousIndex());
    System.out.println("Next: " + listIterator.nextIndex());
}

From source file:Main.java

public static void main(String[] args) {
    ArrayList<String> aList = new ArrayList<String>();

    aList.add("1");
    aList.add("2");
    aList.add("3");
    aList.add("4");
    aList.add("5");

    ListIterator<String> listIterator = aList.listIterator();
    System.out.println("Previous: " + listIterator.previousIndex());
    System.out.println("Next: " + listIterator.nextIndex());

    // advance current position by one using next method
    listIterator.next();
    System.out.println("Previous: " + listIterator.previousIndex());
    System.out.println("Next: " + listIterator.nextIndex());
}

From source file:org.apache.cxf.cwiki.SiteExporter.java

public static void main(String[] args) throws Exception {
    Authenticator.setDefault(new Authenticator() {
        protected PasswordAuthentication getPasswordAuthentication() {
            return new PasswordAuthentication(userName, password.toCharArray());
        }//  ww  w  .ja v  a  2  s . c  o m
    });
    ListIterator<String> it = Arrays.asList(args).listIterator();
    List<String> files = new ArrayList<String>();
    boolean forceAll = false;
    int maxThreads = -1;
    while (it.hasNext()) {
        String s = it.next();
        if ("-debug".equals(s)) {
            debug = true;
        } else if ("-user".equals(s)) {
            userName = it.next();
        } else if ("-password".equals(s)) {
            password = it.next();
        } else if ("-d".equals(s)) {
            rootOutputDir = new File(it.next());
        } else if ("-force".equals(s)) {
            forceAll = true;
        } else if ("-svn".equals(s)) {
            svn = true;
        } else if ("-commit".equals(s)) {
            commit = true;
        } else if ("-maxThreads".equals(s)) {
            maxThreads = Integer.parseInt(it.next());
        } else if (s != null && s.length() > 0) {
            files.add(s);
        }
    }

    List<SiteExporter> exporters = new ArrayList<SiteExporter>();
    for (String file : files) {
        exporters.add(new SiteExporter(file, forceAll));
    }
    List<SiteExporter> modified = new ArrayList<SiteExporter>();
    for (SiteExporter exporter : exporters) {
        if (exporter.initialize()) {
            modified.add(exporter);
        }
    }

    // render stuff only if needed
    if (!modified.isEmpty()) {
        setSiteExporters(exporters);

        if (maxThreads <= 0) {
            maxThreads = modified.size();
        }

        ExecutorService executor = Executors.newFixedThreadPool(maxThreads, new ThreadFactory() {
            public Thread newThread(Runnable r) {
                Thread t = new Thread(r);
                t.setDaemon(true);
                return t;
            }
        });
        List<Future<?>> futures = new ArrayList<Future<?>>(modified.size());
        for (SiteExporter exporter : modified) {
            futures.add(executor.submit(exporter));
        }
        for (Future<?> t : futures) {
            t.get();
        }
    }

    if (commit) {
        File file = FileUtils.createTempFile("svncommit", "txt");
        FileWriter writer = new FileWriter(file);
        writer.write(svnCommitMessage.toString());
        writer.close();
        callSvn(rootOutputDir, "commit", "-F", file.getAbsolutePath(), rootOutputDir.getAbsolutePath());
        svnCommitMessage.setLength(0);
    }
}

From source file:Main.java

public final static <T> T peekNext(ListIterator<T> iterator) {
    T next = iterator.next();
    iterator.previous();/*from   ww  w.j a  v  a 2  s.co  m*/
    return next;
}