}
    static int readInt2( byte[] src, int srcIndex ) {
        return (( src[srcIndex] & 0xFF ) << 8 ) +
                ( src[srcIndex + 1] & 0xFF );
    }
    static int readInt4( byte[] src, int srcIndex ) {
        return (( src[srcIndex] & 0xFF ) << 24 ) +
                (( src[srcIndex + 1] & 0xFF ) << 16 ) +
                (( src[srcIndex + 2] & 0xFF ) << 8 ) +
                ( src[srcIndex + 3] & 0xFF );
    }

     */
    @Test
    public void testCopyBeanToBean() throws Exception {
        final SrcBean src = new SrcBean();
        src.aaa = "aaa";
        src.bbb = "bbb";
        src.ccc = "ccc";
        src.eee = "1";
        final DestBean dest = new DestBean();
        BeanUtil.copyBeanToBean(src, dest);
        assertThat(dest.bbb, is(nullValue()));
        assertThat(dest.ccc, is("ccc"));

<img src="/img/python-types/image02.png">

Vous pouvez donc dérouler les options jusqu'à trouver la méthode à laquelle vous pensiez.

<img src="/img/python-types/image03.png">

## Plus de motivations

Cette fonction possède déjà des annotations de type :

```Python hl_lines="1"
{!../../../docs_src/python_types/tutorial003.py!}
```

Importieren Sie es zuerst:

=== "Python 3.10+"

    ```Python hl_lines="4"
    {!> ../../../docs_src/body_fields/tutorial001_an_py310.py!}
    ```

=== "Python 3.9+"

    ```Python hl_lines="4"
    {!> ../../../docs_src/body_fields/tutorial001_an_py39.py!}
    ```

=== "Python 3.8+"

    ```Python hl_lines="4"
    {!> ../../../docs_src/body_fields/tutorial001_an.py!}
    ```

=== "Python 3.10+ nicht annotiert"

=== "Python 3.10+"

    ```Python hl_lines="62-65"
    {!> ../../../docs_src/security/tutorial005_an_py310.py!}
    ```

=== "Python 3.9+"

    ```Python hl_lines="62-65"
    {!> ../../../docs_src/security/tutorial005_an_py39.py!}
    ```

=== "Python 3.8+"

    ```Python hl_lines="63-66"
    {!> ../../../docs_src/security/tutorial005_an.py!}
    ```

=== "Python 3.10+ non-Annotated"

#
# Arguments:
#   src_jar - path to the original srcjar
#   dest_jar - path to the destination
# Returns:
#   None
function cp_normalized_srcjar() {
  src_jar="$1"
  dest_jar="$2"
  tmp_dir=$(mktemp -d)
  cp "${src_jar}" "${tmp_dir}/orig.jar"
  pushd "${tmp_dir}"
  # Extract any src/ files
  jar -xf "${tmp_dir}/orig.jar" src/
  # Extract any org/ files under src/main/java

<img src="/img/python-types/image02.png">

Разом з цим, ви можете прокручувати, переглядати опції, допоки ви не знайдете одну, що звучить схоже:

<img src="/img/python-types/image03.png">

## Більше мотивації

Перевірте цю функцію, вона вже має анотацію типу:

```Python hl_lines="1"
{!../../../docs_src/python_types/tutorial003.py!}
```

=== "Python 3.10+"

    ```Python hl_lines="9-13"
    {!> ../../../docs_src/dependencies/tutorial002_py310.py!}
    ```

=== "Python 3.8+"

    ```Python hl_lines="11-15"
    {!> ../../../docs_src/dependencies/tutorial002.py!}
    ```

注意用于创建类实例的 `__init__` 方法：

=== "Python 3.10+"

    ```Python hl_lines="10"
    {!> ../../../docs_src/dependencies/tutorial002_py310.py!}
    ```

=== "Python 3.6+"

=== "Python 3.10+"

    ```Python hl_lines="12"
    {!> ../../../docs_src/body_nested_models/tutorial002_py310.py!}
    ```

=== "Python 3.9+"

    ```Python hl_lines="14"
    {!> ../../../docs_src/body_nested_models/tutorial002_py39.py!}
    ```

=== "Python 3.8+"

    ```Python hl_lines="14"
    {!> ../../../docs_src/body_nested_models/tutorial002.py!}
    ```

## Set 类型

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