文档 AWS SDK 示例 GitHub 存储库中还有更多 [S AWS DK 示例](https://github.com/awsdocs/aws-doc-sdk-examples)。

本文属于机器翻译版本。若本译文内容与英语原文存在差异，则一律以英文原文为准。

# 与 AWS SDK `DeleteKey` 配合使用
<a name="location_example_location_DeleteKey_section"></a>

以下代码示例演示如何使用 `DeleteKey`。

操作示例是大型程序的代码摘录，必须在上下文中运行。在以下代码示例中，您可以查看此操作的上下文：
+  [了解基本功能](location_example_location_Scenario_section.md) 

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#### [ Java ]

**适用于 Java 的 SDK 2.x**  
 还有更多相关信息 GitHub。在 [AWS 代码示例存储库](https://github.com/awsdocs/aws-doc-sdk-examples/tree/main/javav2/example_code/location#code-examples)中查找完整示例，了解如何进行设置和运行。

```
    /**
     * 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);
    }
```
+  有关 API 的详细信息，请参阅 *AWS SDK for Java 2.x API 参考[DeleteKey](https://docs.aws.amazon.com/goto/SdkForJavaV2/location-2020-11-19/DeleteKey)*中的。

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

**适用于 Kotlin 的 SDK**  
 还有更多相关信息 GitHub。在 [AWS 代码示例存储库](https://github.com/awsdocs/aws-doc-sdk-examples/tree/main/kotlin/services/location#code-examples)中查找完整示例，了解如何进行设置和运行。

```
/**
 * 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.")
    }
}
```
+  有关 API 的详细信息，请参阅适用[DeleteKey](https://sdk.amazonaws.com/kotlin/api/latest/index.html)于 K *otlin 的AWS SDK API 参考*。

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