Sha256: 2273a59600b4b95bf925812912aa2e08e45c7faef20038d8740f5e8f66930b13
Contents?: true
Size: 1.18 KB
Versions: 287
Compression:
Stored size: 1.18 KB
Contents
import java.util.*;
public class Anagram {
private final AnagramSubject anagramSubject;
public Anagram(String word) {
anagramSubject = new AnagramSubject(word);
}
public List<String> match(List<String> candidates) {
List<String> anagrams = new ArrayList<String>();
for (String candidate : candidates) {
if (anagramSubject.anagramOf(candidate)) {
anagrams.add(candidate);
}
}
return anagrams;
}
static final class AnagramSubject {
private final String word;
private final char[] fingerprint;
public AnagramSubject(String other) {
this.word = other;
this.fingerprint = canonicalize(other);
}
public boolean anagramOf(String other) {
return !duplicate(other) && Arrays.equals(fingerprint,canonicalize(other));
}
private boolean duplicate(String other) {
return word.equalsIgnoreCase(other);
}
private char[] canonicalize(String other) {
char[] chars = other.toLowerCase().toCharArray();
Arrays.sort(chars);
return chars;
}
}
}
Version data entries
287 entries across 287 versions & 1 rubygems