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ICU-13031 revise BreakIterator JavaDoc example.

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X-SVN-Rev: 40069
This commit is contained in:
Andy Heninger 2017-04-20 21:43:58 +00:00
parent 66c49f8887
commit 205568ddc5
1 changed files with 14 additions and 16 deletions
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30
icu4j/main/classes/core/src/com/ibm/icu/text/BreakIterator.java
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@ -180,30 +180,28 @@ import com.ibm.icu.util.ULocale;
* public static int nextWordStartAfter(int pos, String text) {
* BreakIterator wb = BreakIterator.getWordInstance();
* wb.setText(text);
* int last = wb.following(pos);
* int current = wb.next();
* while (current != BreakIterator.DONE) {
* for (int p = last; p < current; p++) {
* if (Character.isLetter(text.charAt(p)))
* return last;
* int wordStart = wb.following(pos);
* for (;;) {
* int wordLimit = wb.next();
* if (wordLimit == BreakIterator.DONE) {
* return BreakIterator.DONE;
* }
* last = current;
* current = wb.next();
* }
* return BreakIterator.DONE;
* int wordStatus = wb.getRuleStatus();
* if (wordStatus != BreakIterator.WORD_NONE) {
* return wordStart;
* }
* wordStart = wordLimit;
* }
* }
* </pre>
* (The iterator returned by BreakIterator.getWordInstance() is unique in that
* The iterator returned by {@link #getWordInstance} is unique in that
* the break positions it returns don't represent both the start and end of the
* thing being iterated over. That is, a sentence-break iterator returns breaks
* that each represent the end of one sentence and the beginning of the next.
* With the word-break iterator, the characters between two boundaries might be a
* word, or they might be the punctuation or whitespace between two words. The
* above code uses a simple heuristic to determine which boundary is the beginning
* of a word: If the characters between this boundary and the next boundary
* include at least one letter (this can be an alphabetical letter, a CJK ideograph,
* a Hangul syllable, a Kana character, etc.), then the text between this boundary
* and the next is a word; otherwise, it's the material between words.)
* above code uses {@link #getRuleStatus} to identify and ignore boundaries associated
* with punctuation or other non-word characters.
* </blockquote>
*
* @see CharacterIterator