文件 AWS 開發套件範例 GitHub 儲存庫中有更多可用的 [AWS SDK 範例](https://github.com/awsdocs/aws-doc-sdk-examples)。

本文為英文版的機器翻譯版本，如內容有任何歧義或不一致之處，概以英文版為準。

# `DeleteKey` 搭配 AWS SDK 使用
<a name="location_example_location_DeleteKey_section"></a>

下列程式碼範例示範如何使用 `DeleteKey`。

動作範例是大型程式的程式碼摘錄，必須在內容中執行。您可以在下列程式碼範例的內容中看到此動作：
+  [了解基本概念](location_example_location_Scenario_section.md) 

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#### [ Java ]

**SDK for Java 2.x**  
 GitHub 上提供更多範例。尋找完整範例，並了解如何在 [AWS 程式碼範例儲存庫](https://github.com/awsdocs/aws-doc-sdk-examples/tree/main/javav2/example_code/location#code-examples)中設定和執行。

```
    /**
     * Deletes the specified key from the key-value store.
     *
     * @param keyName the name of the key to be deleted
     * @return a {@link CompletableFuture} that completes when the key has been deleted
     * @throws CompletionException if the key was not found or if an error occurred during the deletion process
     */
    public CompletableFuture<Void> deleteKey(String keyName) {
        DeleteKeyRequest keyRequest = DeleteKeyRequest.builder()
            .keyName(keyName)
            .build();

        return getClient().deleteKey(keyRequest)
            .whenComplete((response, exception) -> {
                if (exception != null) {
                    Throwable cause = exception.getCause();
                    if (cause instanceof ResourceNotFoundException) {
                        throw new CompletionException("The key was not found.", cause);
                    }
                    throw new CompletionException("Failed to delete key: " + exception.getMessage(), exception);
                }
                logger.info("The key {} was deleted.", keyName);
            })
            .thenApply(response -> null);
    }
```
+  如需 API 詳細資訊，請參閱《AWS SDK for Java 2.x API 參考》**中的 [DeleteKey](https://docs.aws.amazon.com/goto/SdkForJavaV2/location-2020-11-19/DeleteKey)。

------
#### [ Kotlin ]

**適用於 Kotlin 的 SDK**  
 GitHub 上提供更多範例。尋找完整範例，並了解如何在 [AWS 程式碼範例儲存庫](https://github.com/awsdocs/aws-doc-sdk-examples/tree/main/kotlin/services/location#code-examples)中設定和執行。

```
/**
 * Deletes the specified key from the key-value store.
 *
 * @param keyName the name of the key to be deleted
 */
suspend fun deleteKey(keyName: String) {
    val keyRequest = DeleteKeyRequest {
        this.keyName = keyName
    }

    LocationClient.fromEnvironment { region = "us-east-1" }.use { client ->
        client.deleteKey(keyRequest)
        println("The key $keyName was deleted.")
    }
}
```
+  如需 API 詳細資訊，請參閱《適用於 Kotlin 的AWS SDK API 參考》**中的 [DeleteKey](https://sdk.amazonaws.com/kotlin/api/latest/index.html)。

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