You can define logic (code) that should be executed before the application **starts up**. This means that this code will be executed **once**, **before** the application **starts receiving requests**.

The same way, you can define logic (code) that should be executed when the application is **shutting down**. In this case, this code will be executed **once**, **after** having handled possibly **many requests**.

     *
     * @return {@code true} if remote access has been disabled, {@code false} otherwise.
     */
    @Override
    boolean isOffline();

    /**
     * Enables/disables network access to remote repositories.
     *
     * @param offline {@code true} to disable remote access, {@code false} to allow network access.
     * @return This request, never {@code null}.
     */
    @Override

     *
     * @param versionRange The version range to match the current Maven runtime against, must not be {@code null}.
     * @return {@code true} if the current Maven runtime matches the specified version range, {@code false} otherwise.
     * @throws IllegalArgumentException If the specified version range is {@code null}, empty or otherwise not a valid
     *             version specification.
     */

```console
// Ein Verzeichnis „Code“ erstellen
$ mkdir code
// In dieses Verzeichnis wechseln
$ cd code
```

... und ein Python-Codebeispiel ...

```Python
wont_work()  # Das wird nicht funktionieren 😱
works(foo="bar")  # Das funktioniert 🎉
```

... und das war's.

////

//// tab | Info

     * @param message The detail message of the problem, may be {@code null}.
     * @param line The one-based index of the line containing the problem or {@code -1} if unknown.
     * @param column The one-based index of the column containing the problem or {@code -1} if unknown.
     * @param cause The cause of the problem, may be {@code null}.
     */

// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program.  If not, see <http://www.gnu.org/licenses/>.

package sql

import "fmt"

type s3Error struct {
	code       string
	message    string
	statusCode int
	cause      error
}

 * and the field type can be {@link org.apache.maven.api.Node Node},
 * {@code List<}{@link org.apache.maven.api.Node Node}{@code >},
 * {@link org.apache.maven.api.services.DependencyResolverResult DependencyResolverResult},
 * {@code List<}{@link java.nio.file.Path Path}{@code >},

     * @param tag The tag of the cache record, must not be {@code null}.
     * @param data The data to store in the cache, must not be {@code null}.
     */
    void put(String groupId, String artifactId, String version, String tag, Object data);

    /**
     * Gets the specified data from the cache.
     *
     * @param groupId The group id of the cache record, must not be {@code null}.

"code snippet"

    Also called "inline code". Text in a Markdown document which is surrounded by single backticks. A paragraph in a Markdown document can have a more than one code snippet.

    Example:

        «««
        `i am a code snippet`
        »»»

    Example:

        «««
        `first code snippet` `second code snippet` `third code snippet`
        »»»

"code block"

     *
     * @return {@code true} if the artifact is a snapshot, {@code false} otherwise
     * @see org.apache.maven.api.Session#isVersionSnapshot(String)
     */
    boolean isSnapshot();

    /**
     * {@return coordinates with the same identifiers as this artifact}.
     * This is a shortcut for {@code session.createArtifactCoordinates(artifact)}.
     *