public void setLanguageCode(String languageCode) {
        this.languageCode = languageCode;
    }
<p>
The language of the input documents. You can specify any of the primary languages supported by Amazon Comprehend.
All documents must be in the same language.
</p>

@param languageCode
       The language of the input documents. You can specify any of the primary languages supported by Amazon
       Comprehend. All documents must be in the same language.
@see LanguageCode
aws-java-sdk-comprehend/src/main/java/com/amazonaws/services/comprehend/model/StartKeyPhrasesDetectionJobRequest.java