public String getNamespace() {
        return this.namespace;
    }
<p>
The namespace for the CloudWatch metric. The default is <code>AWS/ElasticMapReduce</code>.
</p>

@return The namespace for the CloudWatch metric. The default is <code>AWS/ElasticMapReduce</code>.
aws-java-sdk-emr/src/main/java/com/amazonaws/services/elasticmapreduce/model/CloudWatchAlarmDefinition.java