public void setApplications(java.util.Collection<Application> applications) {
        if (applications == null) {
            this.applications = null;
            return;
        }

        this.applications = new com.amazonaws.internal.SdkInternalList<Application>(applications);
    }
<p>
The applications installed on this cluster.
</p>

@param applications
       The applications installed on this cluster.
aws-java-sdk-emr/src/main/java/com/amazonaws/services/elasticmapreduce/model/Cluster.java