Example usage for java.util Collections reverse

Introduction

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

Prototype

@SuppressWarnings({ "rawtypes", "unchecked" })
public static void reverse(List<?> list)

Source Link

Document

Reverses the order of the elements in the specified list.

This method runs in linear time.

Usage

From source file:MainClass.java

public static void main(String[] a) {
    List barFlies = Arrays.asList(new String[] { "A", "B", "C" });
    Collections.reverse(barFlies);
    System.out.println(barFlies);
}

From source file:Main.java

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

    v.add("A");/*w w  w .j ava  2 s .co  m*/
    v.add("B");
    v.add("C");
    v.add("D");
    v.add("E");

    System.out.println(v);
    Collections.reverse(v);
    System.out.println(v);
}

From source file:Main.java

public static void main(String args[]) {

    List<Character> ll = new LinkedList<Character>();

    for (char n = 'A'; n <= 'F'; n++)
        ll.add(n);//from  w  w w.j ava  2s . com

    System.out.println(ll);
    Collections.reverse(ll);

    System.out.println(ll);
    Collections.rotate(ll, 2);

    System.out.println(ll);

    Collections.shuffle(ll);

    System.out.println(ll);
}

From source file:Main.java

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

    arrayList.add("A");
    arrayList.add("B");
    arrayList.add("C");
    arrayList.add("D");
    arrayList.add("E");

    System.out.println(arrayList);
    Collections.reverse(arrayList);
    System.out.println(arrayList);
}

From source file:Main.java

public static void main(String[] args) {
    List<String> list = new ArrayList<>();
    list.add("Java");
    list.add("R");
    list.add("CSS");
    list.add("XML");

    Collections.sort(list);/*from  w  w w  . ja  va  2 s  .c om*/
    System.out.println("List: " + list);

    Collections.reverse(list);
    System.out.println("List: " + list);

}

From source file:Main.java

public static void main(String args[]) {

    List<Character> ll = new LinkedList<Character>();

    for (char n = 'A'; n <= 'F'; n++)
        ll.add(n);/*from   w  w w .  j av a  2  s.co  m*/

    System.out.println("Here is the original list: ");
    for (Character x : ll)
        System.out.print(x + " ");
    Collections.reverse(ll);

    System.out.println("Here is the reversed list: ");
    for (Character x : ll)
        System.out.print(x + " ");
    Collections.rotate(ll, 2);

    for (Character x : ll)
        System.out.print(x + " ");

    Collections.shuffle(ll);

    System.out.println("Here is the randomized list:");
    for (Character x : ll)
        System.out.print(x + " ");
}

From source file:UtilDemo3.java

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

    List l = new ArrayList();
    for (int i = 0; i < coins.length; i++)
        l.add(coins[i]);// w ww.  j  a va  2 s . c om

    ListIterator liter = l.listIterator();

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

    Collections.reverse(l);

    liter = l.listIterator();

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

From source file:Main.java

public static void main(String[] argv) throws Exception {
    String[] strArray = new String[] { "z", "a", "A" };
    List list = Arrays.asList(strArray);
    Collections.sort(list);//  w ww.  j  av a 2  s .com

    Collections.sort(list, String.CASE_INSENSITIVE_ORDER);

    Collections.sort(list, Collections.reverseOrder());

    Collections.sort(list, String.CASE_INSENSITIVE_ORDER);
    Collections.reverse(list);
}

From source file:Main.java

public static void main(String[] argv) throws Exception {
    String[] strArray = new String[] { "z", "a", "A" };
    List list = Arrays.asList(strArray);

    Collections.sort(list);//from   w  w w.j  a  va  2 s  .com

    Collections.sort(list, String.CASE_INSENSITIVE_ORDER);

    Collections.sort(list, Collections.reverseOrder());

    Collections.sort(list, String.CASE_INSENSITIVE_ORDER);
    Collections.reverse(list);
}

From source file:Main.java

public static void main(String[] args) {
    // create array list object
    List<String> arrlst = new ArrayList<String>();

    // populate the list
    arrlst.add("A");
    arrlst.add("B");
    arrlst.add("C");
    arrlst.add("D");
    arrlst.add("from java2s.com");

    System.out.println("The initial list is :" + arrlst);

    // reverse the list
    Collections.reverse(arrlst);

    System.out.println("The Reverse List is :" + arrlst);
}