* LoadingCache#get(Object)}, {@link LoadingCache#getUnchecked(Object)}, {@link Cache#get(Object,
 * Callable)}, or {@link LoadingCache#getAll(Iterable)}.
 *
 * @author Charles Fry
 * @since 10.0
 */
@GwtCompatible
@ElementTypesAreNonnullByDefault
public final class CacheStats {
  private final long hitCount;
  private final long missCount;
  private final long loadSuccessCount;

   *     Stream.of("banana", "apple", "carrot", "asparagus", "cherry")
   *         .collect(
   *             flatteningToImmutableSetMultimap(
   *                  str -> str.charAt(0),
   *                  str -> str.substring(1).chars().mapToObj(c -> (char) c));
   *
   * // is equivalent to
   *
   * static final ImmutableSetMultimap<Character, Character> FIRST_LETTER_MULTIMAP =

#### Définir un *décorateur d'opération de chemin*

```Python hl_lines="6"
{!../../docs_src/first_steps/tutorial001.py!}
```

Le `@app.get("/")` dit à **FastAPI** que la fonction en dessous est chargée de gérer les requêtes qui vont sur :

* le chemin `/`
* en utilisant une <abbr title="une méthode GET HTTP">opération <code>get</code></abbr>

/// info | "`@décorateur` Info"

     * 
     * @return guessed name
     */
    @Override
    public String firstCalledName () {

        this.calledName = this.hostName.name;

        if ( Character.isDigit(this.calledName.charAt(0)) ) {
            int i, len, dots;
            char[] data;

            i = dots = 0; /* quick IP address validation */
            len = this.calledName.length();

    }

    private int parseResponseCode() throws IOException {
        try {
            String response = connection.getHeaderField(0);
            int index = response.indexOf(' ');
            while (response.charAt(index) == ' ') index++;
            return Integer.parseInt(response.substring(index, index + 3));
        } catch (Exception ex) {
            throw new IOException(ex.getMessage());
        }
    }

 *
 * <p><b>Warning:</b> Unlike {@code Multiset}, entries whose values are zero are not automatically
 * removed from the map. Instead they must be removed manually with {@link #removeAllZeros}.
 *
 * @author Charles Fry
 * @since 11.0
 */
@GwtCompatible
@J2ktIncompatible
@ElementTypesAreNonnullByDefault
public final class AtomicLongMap<K> implements Serializable {
  private final ConcurrentHashMap<K, AtomicLong> map;

///

## Override the default exception handlers

**FastAPI** has some default exception handlers.

These handlers are in charge of returning the default JSON responses when you `raise` an `HTTPException` and when the request has invalid data.

You can override these exception handlers with your own.

### Override request validation exceptions

   *     Stream.of("banana", "apple", "carrot", "asparagus", "cherry")
   *         .collect(
   *             flatteningToImmutableSetMultimap(
   *                  str -> str.charAt(0),
   *                  str -> str.substring(1).chars().mapToObj(c -> (char) c));
   *
   * // is equivalent to
   *
   * static final ImmutableSetMultimap<Character, Character> FIRST_LETTER_MULTIMAP =

                                        throws UnknownHostException {

        if( host == null || host.length() == 0 ) {
            return getLocalHost();
        }
        if( !Character.isDigit( host.charAt(0) )) {
            return (NbtAddress)doNameQuery( new Name( host, type, scope ), svr );
        } else {
            int IP = 0x00;
            int hitDots = 0;
            char[] data = host.toCharArray();

    }

    int maxSafePos = ParseOverflowDetection.maxSafeDigits[radix] - 1;
    long value = 0;
    for (int pos = 0; pos < string.length(); pos++) {
      int digit = Character.digit(string.charAt(pos), radix);
      if (digit == -1) {
        throw new NumberFormatException(string);
      }
      if (pos > maxSafePos && ParseOverflowDetection.overflowInParse(value, digit, radix)) {