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Anagrams: Difference between revisions
added java
(→{{header|Haskell}}: wouldn't it be easier to just keep track of the word rather than the index?) |
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{{task|Text processing}}
Two or more words can be composed of the same characters, but in a different order. Using the word list at http://www.puzzlers.org/pub/wordlists/unixdict.txt, find the sets of words that share the same characters that contain the most words in them.
=={{header|Java}}==
<java>import java.net.*;
import java.io.*;
import java.util.*;
public class WordsOfEqChars {
public static void main(String[] args) throws IOException {
URL url = new URL("http://www.puzzlers.org/pub/wordlists/unixdict.txt");
InputStreamReader isr = new InputStreamReader(url.openStream());
BufferedReader reader = new BufferedReader(isr);
Map<String, Collection<String>> anagrams = new HashMap<String, Collection<String>>();
String word;
int count = 0;
while ((word = reader.readLine()) != null) {
char[] chars = word.toCharArray();
Arrays.sort(chars);
String key = new String(chars);
if (!anagrams.containsKey(key))
anagrams.put(key, new ArrayList<String>());
anagrams.get(key).add(word);
count = Math.max(count, anagrams.get(key).size());
}
reader.close();
for (Collection<String> ana : anagrams.values())
if (ana.size() >= count)
System.out.println(ana);
}
}</java>
Output:
[angel, angle, galen, glean, lange]
[elan, lane, lean, lena, neal]
[alger, glare, lager, large, regal]
[abel, able, bale, bela, elba]
[evil, levi, live, veil, vile]
== {{header|Haskell}} ==
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