Example usage for java.util ArrayList add

Introduction

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

Prototype

public boolean add(E e) 

Source Link

Document

Appends the specified element to the end of this list.

Usage

From source file:Person.java

public static void main(String args[]) {
    ArrayList<Person> names = new ArrayList<Person>();
    names.add(new Person("E", "T"));
    names.add(new Person("A", "G"));
    names.add(new Person("B", "H"));
    names.add(new Person("C", "J"));

    Iterator iter1 = names.iterator();
    while (iter1.hasNext()) {
        System.out.println(iter1.next());
    }/*from  ww  w  .j  a va  2s .  c o  m*/
    Collections.sort(names, new PersonComparator());
    Iterator iter2 = names.iterator();
    while (iter2.hasNext()) {
        System.out.println(iter2.next());
    }
}

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From source file:Person.java

public static void main(String args[]) {
    ArrayList<Person> names = new ArrayList<Person>();
    names.add(new Person("E", "T"));
    names.add(new Person("A", "G"));
    names.add(new Person("B", "H"));
    names.add(new Person("C", "J"));

    Iterator iter1 = names.iterator();
    while (iter1.hasNext()) {
        System.out.println(iter1.next());
    }/*  www  .j  a v a 2 s . com*/
    System.out.println("Before sorting");
    Collections.sort(names, new PersonComparator());
    Iterator iter2 = names.iterator();
    while (iter2.hasNext()) {
        System.out.println(iter2.next());
    }
}

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From source file:Main.java

public static void main(String[] args) {
    String givenstring = "this is a test this is a another test";
    String[] words = givenstring.split(" ");

    ArrayList<String> arr = new ArrayList<String>();
    for (int i = 0; i < words.length; i++) {
        arr.add(words[i]);
    }//from w w w. j av a  2s .  com
    while (arr.size() != 0) {
        String word = arr.get(0);
        int frequency = Collections.frequency(arr, word);
        arr.removeAll(Collections.singleton(word));
        System.out.println(word + frequency);
    }
}

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From source file:MainClass.java

public static void main(String[] args) throws Exception {
    Document document = new Document();
    PdfWriter writer = PdfWriter.getInstance(document, new FileOutputStream("2.pdf"));
    writer.setPdfVersion(PdfWriter.VERSION_1_5);
    document.open();// www .  j a v  a2 s.  co  m
    PdfLayer a1 = new PdfLayer("answer 1", writer);
    a1.setOn(false);

    BaseFont bf = BaseFont.createFont(BaseFont.HELVETICA, BaseFont.WINANSI, BaseFont.NOT_EMBEDDED);
    PdfContentByte cb = writer.getDirectContent();
    cb.beginText();
    cb.setTextMatrix(50, 790);
    cb.setLeading(24);
    cb.setFontAndSize(bf, 18);
    cb.newlineShowText("This is a question?");
    cb.beginLayer(a1);
    cb.setRGBColorFill(0xFF, 0x00, 0x00);
    cb.newlineShowText("This is the answer");
    cb.resetRGBColorFill();
    cb.endLayer();
    cb.endText();

    ArrayList stateOn = new ArrayList();
    stateOn.add("ON");
    stateOn.add(a1);
    PdfAction actionOn = PdfAction.setOCGstate(stateOn, true);
    ArrayList stateOff = new ArrayList();
    stateOff.add("OFF");
    stateOff.add(a1);
    PdfAction actionOff = PdfAction.setOCGstate(stateOff, true);
    ArrayList stateToggle = new ArrayList();
    stateToggle.add("Toggle");
    stateToggle.add(a1);
    PdfAction actionToggle = PdfAction.setOCGstate(stateToggle, true);
    Phrase p = new Phrase("Change the state of the answers:");
    Chunk on = new Chunk(" on ").setAction(actionOn);
    p.add(on);
    Chunk off = new Chunk("/ off ").setAction(actionOff);
    p.add(off);
    Chunk toggle = new Chunk("/ toggle").setAction(actionToggle);
    p.add(toggle);
    document.add(p);
    document.close();
}

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From source file:CompTest.java

public static void main(String args[]) {
    ArrayList u2 = new ArrayList();
    u2.add("Beautiful Day");
    u2.add("Stuck In A Moment You Can't Get Out Of");
    u2.add("Elevation");
    u2.add("Walk On");
    u2.add("Kite");
    u2.add("In A Little While");
    u2.add("Wild Honey");
    u2.add("Peace On Earth");
    u2.add("When I Look At The World");
    u2.add("New York");
    u2.add("Grace");

    Comparator comp = Comparators.stringComparator();
    Collections.sort(u2, comp);//from   w w  w  . jav  a  2 s .c om
    System.out.println(u2);

    Arrays.sort(args, comp);
    System.out.print("[");
    for (int i = 0, n = args.length; i < n; i++) {
        if (i != 0)
            System.out.print(", ");
        System.out.print(args[i]);
    }
    System.out.println("]");
}

---

From source file:net.anymeta.Test.java

/**
 * @param args/*from w w w. ja v a2s .c  o m*/
 */
public static void main(String[] arg) throws AnyMetaRegistryException, AnyMetaException, JSONException {
    HashMap<String, Object> args;

    // Load the API
    AnyMetaAPI api = AnyMetaAPI.fromRegistry("pluto.local");

    // Get information for the currently logged in user.
    JSONObject o = (JSONObject) api.doMethod("anymeta.user.info");
    System.out.println("Logged in as " + o.getString("title"));

    //  
    args = new HashMap<String, Object>();
    args.put("q_kind", "PERSON");

    JSONArray a = (JSONArray) api.doMethod("query.execute", args);
    System.out.println(a.toString());
    System.out.println(a.length());

    // Lookup an RFID tag.
    args = new HashMap<String, Object>();
    ArrayList<String> ids = new ArrayList<String>();
    ids.add("65");
    ids.add("94");
    args.put("ids", ids);
    args.put("predicate", "KNOWS");

    o = (JSONObject) api.doMethod("contact.link", args);
    System.out.println(o.toString());

    // Upload an image
    args = new HashMap<String, Object>();
    args.put("mime", "image/jpeg");
    args.put("data", "@C:\\bla.jpg");

    o = (JSONObject) api.doMethod("anymeta.attachment.create", args);
    System.out.println(o.toString());

}

---

From source file:MainClass.java

public static void main(String[] args) {
    ArrayList myList = new ArrayList(5);
    for (int i = 0; i < 5; i++) {
        myList.add(new Integer(i));
    }//w ww  . ja v  a 2  s .c om
    System.out.println("List contains " + myList.size() + " elements");

    Integer int2 = new Integer(2);
    System.out.println("List contains Integer(2): " + myList.contains(int2));
    System.out.println("Integer(2) is at index " + myList.indexOf(int2));

    myList.set(2, new Integer(99));
    System.out.println("Get element at index 2: " + myList.get(2));

    myList.ensureCapacity(15);
    for (int i = 10; i < 15; i++) {
        myList.add(new Integer(i));
    }

    myList.subList(10, 15).clear();
    myList.trimToSize();

    System.out.println(myList);
}

---

From source file:Main.java

public static void main(String args[]) {

    // create an empty array list
    ArrayList<StringBuilder> arrlist1 = new ArrayList<StringBuilder>();

    // use add for new value
    arrlist1.add(new StringBuilder("from java2s.com"));

    // using clone to affect the objects pointed to by the references.
    ArrayList arrlist2 = (ArrayList) arrlist1.clone();

    // appending the string
    StringBuilder strbuilder = arrlist1.get(0);
    strbuilder.append("tutorials");

    System.out.println(arrlist1);

    System.out.println(arrlist2);
}

---

From source file:ArrayListTest.java

public static void main(String[] args) {
    // fill the staff array list with three Employee objects
    ArrayList<Employee> staff = new ArrayList<Employee>();

    staff.add(new Employee("Carl Cracker", 75000, 1987, 12, 15));
    staff.add(new Employee("Harry Hacker", 50000, 1989, 10, 1));
    staff.add(new Employee("Tony Tester", 40000, 1990, 3, 15));

    // raise everyone's salary by 5%
    for (Employee e : staff)
        e.raiseSalary(5);//w  w  w  .  jav  a  2 s . c o m

    // print out information about all Employee objects
    for (Employee e : staff)
        System.out.println("name=" + e.getName() + ",salary=" + e.getSalary() + ",hireDay=" + e.getHireDay());
}

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From source file:Main.java

public static void main(String[] args) {
    ArrayList<Integer> arrlist = new ArrayList<Integer>(5);

    // use add() method to add elements in the list
    arrlist.add(20);
    arrlist.add(30);//from   w w w  .  j  a va  2s. c o  m
    arrlist.add(10);
    arrlist.add(50);

    System.out.println(arrlist);

    // finding size of this list
    int retval = arrlist.size();
    System.out.println("List consists of " + retval + " elements");

    arrlist.clear();
    retval = arrlist.size();
    System.out.println("list consists of " + retval + " elements");
}

---

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