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# 描述 ACME 域名验证
<a name="sdk-acme-describe-domain-validation"></a>

以下示例演示了如何使用 [DescribeAcmeDomainValidation](https://docs.amazonaws.cn/acm/latest/APIReference/API_DescribeAcmeDomainValidation.html) 函数。

```
package com.amazonaws.samples;

import com.amazonaws.services.certificatemanager.AWSCertificateManagerClientBuilder;
import com.amazonaws.services.certificatemanager.AWSCertificateManager;
import com.amazonaws.services.certificatemanager.model.DescribeAcmeDomainValidationRequest;
import com.amazonaws.services.certificatemanager.model.DescribeAcmeDomainValidationResult;

public class AWSCertificateManagerSample {

    public static void main(String[] args) {

        AWSCertificateManager client = AWSCertificateManagerClientBuilder.defaultClient();

        // Create the request.
        DescribeAcmeDomainValidationRequest req = new DescribeAcmeDomainValidationRequest()
            .withAcmeDomainValidationArn("arn:aws:acm:us-east-1:123456789012:acme-endpoint/ep-example/acme-domain-validation/dv-example");

        // Describe the domain validation.
        DescribeAcmeDomainValidationResult result = client.describeAcmeDomainValidation(req);
        System.out.println(result);
    }
}
```