Determines if the given lists contain the same elements. We suppose that all the elements of the given lists are different. : List « Collections Data Structure « Java






Determines if the given lists contain the same elements. We suppose that all the elements of the given lists are different.

        
//package com.javadocking.util;

import java.util.List;

/**
 * This class contains a collection of static utility methods for java.util.Collection objects.
 * 
 * @author Heidi Rakels.
 */
public class CollectionUtil
{

  /**
   * Determines if the given lists contain the same elements. We suppose that all the elements of the given lists 
   * are different.
   * 
   * @param   firstList           The first list.
   * @param   secondList           The second list.
   * @return                 True if the given lists contain the same elements, false otherwise.
   */
  public static boolean sameElements(List firstList, List secondList)
  {
    
    // The size hould be the same, otherwise stop.
    if (firstList.size() != secondList.size())
    {
      return false;
    }
    
    // Iterate over the elements of the first list.
    for (int index = 0; index < firstList.size(); index++)
    {
      // Check if the element is also in the second list.
      if (!secondList.contains(firstList.get(index)))
      {
        return false;
      }
    }
    
    // They heve the same elements.
    return true;
    
  }

}

   
    
    
    
    
    
    
    
  








Related examples in the same category

1.Using the Double Brace Initialization.
2.Add to end Performance compare: LinkList and ArrayListAdd to end Performance compare: LinkList and ArrayList
3.Add to start Performance compare: LinkList and ArrayList
4.Convert array to list and sortConvert array to list and sort
5.Shuffle a listShuffle a list
6.Sort a listSort a list
7.Bidirectional Traversal with ListIteratorBidirectional Traversal with ListIterator
8.Int listInt list
9.Linked List example
10.List to array
11.List Reverse Test
12.Build your own Linked List class
13.List Search Test List Search Test
14.Convert a List to a Set
15.Set Operating on Lists: addAll, removeAll, retainAll, subList
16.Convert collection into array
17.Convert LinkedList to array
18.Convert Set into List
19.If a List contains an item
20.ListSet extends List and Set
21.List containing other lists
22.Helper method for creating list
23.Generic to list
24.List implementation with lazy array construction and modification tracking.
25.Utility methods for operating on memory-efficient lists. All lists of size 0 or 1 are assumed to be immutable.
26.A class that wraps an array with a List interface.
27.Splits the list.
28.Slice a list
29.A List that, like a Set, contains no duplicate Elements.
30.List that allows items to be added with a priority that will affect the order in which they are later iterated over.