Example usage for java.util LinkedList LinkedList

Introduction

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

Prototype

public LinkedList()

Source Link

Document

Constructs an empty list.

Usage

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");

    System.out.println(lList);/* www  . j a  v  a2s  .  c  om*/
    Object object = lList.removeFirst();

    System.out.println(object + " has been removed");
    System.out.println(lList);

    object = lList.removeLast();
    System.out.println(object + " has been removed");
    System.out.println(lList);
}

From source file:AlgorithmsDemo.java

public static void main(String args[]) {

    LinkedList<Integer> ll = new LinkedList<Integer>();
    ll.add(-8);//from   w ww. ja v a2 s. co m
    ll.add(20);
    ll.add(-20);
    ll.add(8);

    Comparator<Integer> r = Collections.reverseOrder();

    Collections.sort(ll, r);

    for (int i : ll)
        System.out.print(i + " ");

    Collections.shuffle(ll);

    System.out.print("List shuffled: ");
    for (int i : ll)
        System.out.print(i + " ");

    System.out.println("Minimum: " + Collections.min(ll));
    System.out.println("Maximum: " + Collections.max(ll));
}

From source file:Main.java

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

    // add some elements
    list.add("Hello");
    list.add("from java2s.com");

    // print the list
    System.out.println("LinkedList:" + list);

    // print the size of the list
    System.out.println("List size:" + list.size());

    // add 2 more elements
    list.add("HTML");
    list.add("CSS");

    // print the size of the list
    System.out.println("List size:" + list.size());
}

From source file:Main.java

public static void main(String[] args) {
    Queue<String> queue = new LinkedList<String>();
    queue.offer("First");
    queue.offer("Second");
    queue.offer("Third");
    queue.offer("Fourth");

    queue.remove();/*  w  ww.ja  v  a  2s.co m*/

    System.out.println(queue);
}

From source file:Main.java

public static void main(String[] args) {
    List<String> list = new LinkedList<String>();
    list.add("A");
    list.add("B");
    list.add("C");
    list.add("D");

    String[] colors = new String[list.size()];
    list.toArray(colors);/*from   w w w .j av a 2 s  .com*/

    for (int i = 0; i < colors.length; i++) {
        System.out.println("color = " + colors[i]);
    }
}

From source file:Main.java

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

    ll.add("A");//from  w  w w . j  a  va  2s . c o  m
    ll.add("ja v a2s.com");
    ll.addLast("B");
    ll.add("C");

    Iterator<String> itr = ll.iterator();
    while (itr.hasNext()) {
        String element = itr.next();
        System.out.print(element + " ");
    }
}

From source file:Main.java

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

    ll.add("A");/*w  w w . j  a v  a2  s.  c  om*/
    ll.add("java2s.com");
    ll.add("B");
    ll.add("C");
    ll.add("java2s.com");

    Object[] objs = ll.toArray();
    System.out.println(Arrays.toString(objs));

    String[] strs = ll.toArray(new String[ll.size()]);
    System.out.println(Arrays.toString(strs));
}

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");

    Iterator itr = lList.iterator();
    while (itr.hasNext()) {
        System.out.println(itr.next());
    }//from www .  j  a v  a  2  s  .  c  o m
}

From source file:Main.java

public static void main(String[] args) {
    Queue<String> queue = new LinkedList<String>();
    queue.offer("First");
    queue.offer("Second");
    queue.offer("Third");
    queue.offer("Fourth");

    System.out.println("Size: " + queue.size());

    System.out.println("Queue head using peek   : " + queue.peek());
    System.out.println("Queue head using element: " + queue.element());

    Object data;//from  w  w  w .  j  av a 2s .c o m
    while ((data = queue.poll()) != null) {
        System.out.println(data);
    }
}

From source file:Main.java

public static void main(String[] args) {

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

    String[] my = theList.toArray(new String[0]);

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