, 👯‍♂️ ⚠, 🤞 👈 **FastAPI** 🔜 [⏩](index.md#_15){.internal-link target=_blank} 🌘 (⚖️ 🌘 ⭐) 👆 ⏮️ 🛠️.

### 🔗

🎏 ✔ [🔗](tutorial/dependencies/index.md){.internal-link target=_blank}. 🚥 🔗 🐩 `def` 🔢 ↩️ `async def`, ⚫️ 🏃 🔢 🧵.

### 🎧-🔗

    assertThrows(
        NumberFormatException.class,
        () -> UnsignedBytes.parseUnsignedByte("0", Character.MAX_RADIX + 1));

    // The radix is used as an array index, so try a negative value.
    assertThrows(NumberFormatException.class, () -> UnsignedBytes.parseUnsignedByte("0", -1));
  }

  public void testToString() {
    // We can easily afford to test this exhaustively.

}
/*
Document title and Copyright styles
*/
.clear {
    clear:both;
    height:0px;
    overflow:hidden;
}
.aboutLanguage {
    float:right;
    padding:0px 21px;
    font-size:.8em;
    z-index:200;
    margin-top:-7px;
}
.legalCopy {
    margin-left:.5em;
}
.bar a, .bar a:link, .bar a:visited, .bar a:active {
    color:#FFFFFF;
    text-decoration:none;
}
.bar a:hover, .bar a:focus {

        return ROLE;
    }

    // ===================================================================================
    //

    @Execute
    @Secured({ ROLE, ROLE + VIEW })
    public HtmlResponse index() {
        saveToken();
        return asHtml(path_AdminGeneral_AdminGeneralJsp).useForm(EditForm.class, setup -> {
            setup.setup(form -> {
                updateForm(fessConfig, form);
            });

    //                                                                      ==============

    @Execute
    @Secured({ ROLE, ROLE + VIEW })
    public HtmlResponse index() {
        return asIndexHtml();
    }

    private HtmlResponse asIndexHtml() {
        return asHtml(path_AdminWizard_AdminWizardJsp).useForm(IndexForm.class);
    }

    @Execute
    @Secured({ ROLE })

///

**FastAPI** is all based on Pydantic.

You will see a lot more of all this in practice in the [Tutorial - User Guide](tutorial/index.md){.internal-link target=_blank}.

/// tip

Você verá a documentação interativa automática da API (fornecida pelo <a href="https://github.com/swagger-api/swagger-ui" class="external-link" target="_blank">Swagger UI</a>):

![Swagger UI](https://fastapi.tiangolo.com/img/index/index-01-swagger-ui-simple.png)

## Documentação alternativa da API

/// info

💡 🌖 🔃 <a href="https://docs.pydantic.dev/" class="external-link" target="_blank">Pydantic, ✅ 🚮 🩺</a>.

///

**FastAPI** 🌐 ⚓️ 🔛 Pydantic.

👆 🔜 👀 📚 🌅 🌐 👉 💡 [🔰 - 👩‍💻 🦮](tutorial/index.md){.internal-link target=_blank}.

/// tip

    // Our call site for get() should be in the trace.
    int index = findStackFrame(e, getClass().getName(), "getExpectingExecutionException");

    assertThat(index).isNotEqualTo(0);

    // Above our method should be the call to get(). Don't assert on the class
    // because it could be some superclass.
    assertThat(e.getStackTrace()[index - 1].getMethodName()).isEqualTo("get");
  }

To visit all headers, use the `Headers` class which supports access by index.

=== ":material-language-kotlin: Kotlin"
    ```kotlin
      private val client = OkHttpClient()

      fun run() {
        val request = Request.Builder()