Converts a char array to a Set : Set « Collections Data Structure « Java






Converts a char array to a Set

       
/*
 * The contents of this file are subject to the Sapient Public License
 * Version 1.0 (the "License"); you may not use this file except in compliance
 * with the License. You may obtain a copy of the License at
 * http://carbon.sf.net/License.html.
 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License for
 * the specific language governing rights and limitations under the License.
 *
 * The Original Code is The Carbon Component Framework.
 *
 * The Initial Developer of the Original Code is Sapient Corporation
 *
 * Copyright (C) 2003 Sapient Corporation. All Rights Reserved.
 */


import java.util.ArrayList;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
import java.util.StringTokenizer;

/**
 * <p>Utilities for strings.</p>
 *
 *
 * Copyright 2002 Sapient
 * @since carbon 1.0
 * @author Greg Hinkle, May 2002
 * @version $Revision: 1.5 $($Author: dvoet $ / $Date: 2003/05/05 21:21:24 $)
 */
public class StringUtil {
  /**
   * <p> Converts a string to a Set. Breaks the string to characters and store
   * each character in a Set.
   *
   * @param string the string to convert
   * @return a <code>Set</code> containing all characters in the text string parameter
   */
  public static Set convertToSet(String string) {

      // Result hashset
      Set resultSet = new HashSet();

      for (int i = 0; i < string.length(); i++) {
          resultSet.add(new Character(string.charAt(i)));
      }

      // Return result
      return resultSet;
  }

  /**
   * <p> Converts a char array to a Set. Puts all characters in the array to a Set.
   *
   * @param charArray an array of <CODE>char</CODE>s
   * @return a <code>set</code> containing all characters in the char array
   */
  public static Set convertToSet(char[] charArray) {

      // Result hashset
      Set resultSet = new HashSet();

      for (int i = 0; i < charArray.length; i++) {
          resultSet.add(new Character(charArray[i]));
      }

      // Return result
      return resultSet;
  }
}

   
    
    
    
    
    
    
  








Related examples in the same category

1.Set, HashSet and TreeSet
2.Things you can do with SetsThings you can do with Sets
3.Set operations: union, intersection, difference, symmetric difference, is subset, is superset
4.Set implementation that use == instead of equals()
5.Set that compares object by identity rather than equality
6.Set union and intersection
7.Set with values iterated in insertion order.
8.Putting your own type in a SetPutting your own type in a Set
9.Use setUse set
10.Another Set demo
11.Set subtractionSet subtraction
12.Working with HashSet and TreeSetWorking with HashSet and TreeSet
13.TreeSet DemoTreeSet Demo
14.Show the union and intersection of two sets
15.Demonstrate the Set interface
16.Array Set extends AbstractSetArray Set extends AbstractSet
17.Sync Test
18.Set Copy
19.Set and TreeSet
20.Tail
21.What you can do with a TreeSetWhat you can do with a TreeSet
22.Remove all elements from a set
23.Copy all the elements from set2 to set1 (set1 += set2), set1 becomes the union of set1 and set2
24.Remove all the elements in set1 from set2 (set1 -= set2), set1 becomes the asymmetric difference of set1 and set2
25.Get the intersection of set1 and set2, set1 becomes the intersection of set1 and set2
26.Extend AbstractSet to Create Simple Set
27.Int Set
28.One Item Set
29.Small sets whose elements are known to be unique by construction
30.List Set implements Set
31.Converts a string to a Set
32.Implements the Set interface, backed by a ConcurrentHashMap instance
33.An IdentitySet that uses reference-equality instead of object-equality
34.An implementation of the java.util.Stack based on an ArrayList instead of a Vector, so it is not synchronized to protect against multi-threaded access.
35.A thin wrapper around a List transforming it into a modifiable Set.
36.A thread-safe Set that manages canonical objects
37.This program uses a set to print all unique words in System.in
38.Indexed Set
39.An ObjectToSet provides a java.util.Map from arbitrary objects to objects of class java.util.Set.
40.Sorted Multi Set
41.Fixed Size Sorted Set
42.Set operations
43.A NumberedSet is a generic container of Objects where each element is identified by an integer id.
44.Set which counts the number of times a values are added to it.
45.Set which counts the number of times a values are added to it and assigns them a unique positive index.
46.Indexed Set
47.A set acts like array.
48.Implements a Bloom filter. Which, as you may not know, is a space-efficient structure for storing a set.
49.Implementation of disjoint-set data structure
50.Call it an unordered list or a multiset, this collection is defined by oxymorons