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| Converts a char array to a Set | |
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/*
* 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;
}
}
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| | | | Related examples in the same category |
| 1. | Set, HashSet and TreeSet | | | | 2. | Things 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 Set | |  | | 9. | Use set | |  | | 10. | Another Set demo | | | | 11. | Set subtraction | |  | | 12. | Working with HashSet and TreeSet | |  | | 13. | TreeSet Demo | |  | | 14. | Show the union and intersection of two sets | | | | 15. | Demonstrate the Set interface | | | | 16. | Array Set extends AbstractSet | |  | | 17. | Sync Test | | | | 18. | Set Copy | | | | 19. | Set and TreeSet | | | | 20. | Tail | | | | 21. | What 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 | | |
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