// We can continue if it's 1.8, and we can continue if it's an integer in [9, 20).
    if (javaVersion != null && javaVersion >= 20) {
      // TODO(b/261217224, b/361604053): Make this test work under newer JDKs.
      return;
    }
    TimedWaiterThread thread = new TimedWaiterThread(new AbstractFuture<Object>() {}, 2, SECONDS);
    thread.start();
    thread.awaitWaiting();

當你完成工作後，你可以**退出**虛擬環境。

<div class="termy">

```console
$ deactivate
```

</div>

這樣，當你執行 `python` 時它不會嘗試從已安裝套件的虛擬環境中執行。

## 開始工作 { #ready-to-work }

現在你已經準備好開始你的工作了。



/// tip

你想要理解上面的所有內容嗎？

繼續閱讀。👇🤓

///

## 為什麼要使用虛擬環境 { #why-virtual-environments }

你需要安裝 [Python](https://www.python.org/) 才能使用 FastAPI。

当你完成工作后，你可以**退出**虚拟环境。

<div class="termy">

```console
$ deactivate
```

</div>

这样，当你运行 `python` 时，它不会尝试从那个虚拟环境及其已安装的软件包中运行。

## 开始工作 { #ready-to-work }

现在你已经准备好开始你的工作了。



/// tip | 提示

你想要理解上面的所有内容吗？

继续阅读。👇🤓

///

## 为什么要使用虚拟环境 { #why-virtual-environments }

    @Test
    public void test_getLanguageItems_cacheException() {
        final List<Map<String, String>> items = systemHelper.getLanguageItems(new Locale("invalid"));
        assertNotNull(items);
        // The cache may work fine even with invalid locale, so check size is reasonable
        assertTrue(items.size() >= 1);
    }

    @Test
    public void test_getHostname_unknownHost() {

     *
     * @param authorityServerName The hostname of the server that should be queried. For maximum efficiency this should be the hostname of a domain controller however a member server will work as well and a domain controller may not return names for SIDs corresponding to local accounts for which the domain controller is not an authority.

    assertEquals(11, queue.capacity());
    checkUnbounded(queue);
    assertThat(queue.comparator()).isEqualTo(SOME_COMPARATOR);
  }

  // We use the rawtypeToWildcard "cast" to make the test work with J2KT in other tests. Leaving one
  // test without that cast to verify that using the raw Comparable works outside J2KT.
  @J2ktIncompatible // J2KT's translation of raw Comparable is not a supertype of Int translation

  }

  public void testInvertFrom() {
    ImmutableMultimap<Integer, String> empty = ImmutableMultimap.of();

    // typical usage example - sad that ArrayListMultimap.create() won't work
    Multimap<String, Integer> multimap =
        Multimaps.invertFrom(empty, ArrayListMultimap.<String, Integer>create());
    assertTrue(multimap.isEmpty());

    ImmutableMultimap<Integer, String> single =

  public static <E extends @Nullable Object> ArrayList<E> newArrayList(
      Iterable<? extends E> elements) {
    checkNotNull(elements); // for GWT
    // Let ArrayList's sizing logic work, if possible
    return (elements instanceof Collection)
        ? new ArrayList<>((Collection<? extends E>) elements)
        : newArrayList(elements.iterator());
  }

  /**

				Gname:    "eng",
				ModTime:  time.Unix(1254699560, 0),
				Format:   FormatGNU,
			}, nil},
		},
	}, {
		// This truncated file was produced using this library.
		// It was verified to work with GNU tar 1.27.1 and BSD tar 3.1.2.
		//  dd if=/dev/zero bs=1G count=16 >> writer-big-long.tar
		//  gnutar -xvf writer-big-long.tar
		//  bsdtar -xvf writer-big-long.tar
		//
		// This file is in PAX format.

ight)}}function K(e,t,o){var n=D(e,function(e){var o=e.name;return o===t}),i=!!n&&e.some(function(e){return e.name===o&&e.enabled&&e.order<n.order});if(!i){var r='`'+t+'`';console.warn('`'+o+'`'+' modifier is required by '+r+' modifier in order to work, be sure to include it before '+r+'!')}return i}function z(e){return'end'===e?'start':'start'===e?'end':e}function G(e){var t=1<arguments.length&&void 0!==arguments[1]&&arguments[1],o=he.indexOf(e),n=he.slice(o+1).concat(he.slice(0,o));return t?n....