public void setHITGroupId(String hITGroupId) {
        this.hITGroupId = hITGroupId;
    }
<p>
The ID of the HIT Group of this HIT.
</p>

@param hITGroupId
       The ID of the HIT Group of this HIT.
aws-java-sdk-mechanicalturkrequester/src/main/java/com/amazonaws/services/mturk/model/HIT.java