1434 */
1435 public boolean endsWith(String suffix) {
1436 return startsWith(suffix, value.length - suffix.value.length);
1437 }
1438
1439 /**
1440 * Returns a hash code for this string. The hash code for a
1441 * {@code String} object is computed as
1442 * <blockquote><pre>
1443 * s[0]*31^(n-1) + s[1]*31^(n-2) + ... + s[n-1]
1444 * </pre></blockquote>
1445 * using {@code int} arithmetic, where {@code s[i]} is the
1446 * <i>i</i>th character of the string, {@code n} is the length of
1447 * the string, and {@code ^} indicates exponentiation.
1448 * (The hash value of the empty string is zero.)
1449 *
1450 * @return a hash code value for this object.
1451 */
1452 public int hashCode() {
1453 int h = hash;
1454 if (h == 0 && value.length > 0) {
1455 char val[] = value;
1456
1457 for (int i = 0; i < value.length; i++) {
1458 h = 31 * h + val[i];
1459 }
1460 hash = h;
1461 }
1462 return h;
1463 }
1464
1465 /**
1466 * Returns the index within this string of the first occurrence of
1467 * the specified character. If a character with value
1468 * {@code ch} occurs in the character sequence represented by
1469 * this {@code String} object, then the index (in Unicode
1470 * code units) of the first such occurrence is returned. For
1471 * values of {@code ch} in the range from 0 to 0xFFFF
1472 * (inclusive), this is the smallest value <i>k</i> such that:
1473 * <blockquote><pre>
1474 * this.charAt(<i>k</i>) == ch
1475 * </pre></blockquote>
1476 * is true. For other values of {@code ch}, it is the
1477 * smallest value <i>k</i> such that:
1478 * <blockquote><pre>
|
1434 */
1435 public boolean endsWith(String suffix) {
1436 return startsWith(suffix, value.length - suffix.value.length);
1437 }
1438
1439 /**
1440 * Returns a hash code for this string. The hash code for a
1441 * {@code String} object is computed as
1442 * <blockquote><pre>
1443 * s[0]*31^(n-1) + s[1]*31^(n-2) + ... + s[n-1]
1444 * </pre></blockquote>
1445 * using {@code int} arithmetic, where {@code s[i]} is the
1446 * <i>i</i>th character of the string, {@code n} is the length of
1447 * the string, and {@code ^} indicates exponentiation.
1448 * (The hash value of the empty string is zero.)
1449 *
1450 * @return a hash code value for this object.
1451 */
1452 public int hashCode() {
1453 int h = hash;
1454 if (h == 0) {
1455 for (int v : value) {
1456 h = 31 * h + v;
1457 }
1458 hash = h;
1459 }
1460 return h;
1461 }
1462
1463 /**
1464 * Returns the index within this string of the first occurrence of
1465 * the specified character. If a character with value
1466 * {@code ch} occurs in the character sequence represented by
1467 * this {@code String} object, then the index (in Unicode
1468 * code units) of the first such occurrence is returned. For
1469 * values of {@code ch} in the range from 0 to 0xFFFF
1470 * (inclusive), this is the smallest value <i>k</i> such that:
1471 * <blockquote><pre>
1472 * this.charAt(<i>k</i>) == ch
1473 * </pre></blockquote>
1474 * is true. For other values of {@code ch}, it is the
1475 * smallest value <i>k</i> such that:
1476 * <blockquote><pre>
|