Use reverse(), rotate(), and shuffle().

  

import java.util.Collections;
import java.util.LinkedList;
import java.util.List;

public class Main {

  public static void main(String args[]) {

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

    for (char n = 'A'; n <= 'F'; n++)
      ll.add(n);

    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 + " ");
  }
}

1.	Collections.min with Comparator
2.	Minimum and maximum number in array
3.	Shuffling the Elements of a List or Array: use Collections.shuffle() to randomly reorder the elements in a list
4.	Shuffle the elements in the array
5.	Create an empty collection object
6.	Collections.reverse
7.	Use Collections.sort to sort custom class and user defined Comparator
8.	Collections.shuffle to shuffle a list
9.	Collections.fill
10.	Demonstrates the use of final collections
11.	Use Collections.shuffle to shuffle list
12.	Making a Collection Read-Only
13.	Shuffle generic list
14.	Create List containing n Copies of Specified Object Example
15.	Create and demonstrate an immutable collection.
16.	Sort and Search a LinkedList.
17.	Finding an Element in a Sorted List
18.	This program demonstrates the random shuffle and sort algorithms

Use reverse(), rotate(), and shuffle(). : Collections « Collections Data Structure « Java

Related examples in the same category