The OEHCSProducer.java program is displayed with the following code. 
package oehcsproject;

import java.util.Arrays;
import java.util.Properties;

import org.apache.kafka.clients.consumer.ConsumerRecord;
import org.apache.kafka.clients.consumer.ConsumerRecords;
import org.apache.kafka.clients.consumer.KafkaConsumer;

public class OEHCSConsumer {
public static void main(String[] args) {
    String topicName = "bigdata001-topicdemo";
    String bootstrapServer = "198.168.1.10:6667";
    String group = "test_group";

    System.out.println("Starting consumer for topic: " + topicName);
    Properties props = new Properties();
    props.put("bootstrap.servers", bootstrapServer);
    props.put("group.id", group);
    props.put("enable.auto.commit", "true");
    props.put("auto.commit.interval.ms", "1000");
    props.put("session.timeout.ms", "30000");
    props.put("key.deserializer", "org.apache.kafka.common.serialization.StringDeserializer");
    props.put("value.deserializer", "org.apache.kafka.common.serialization.StringDeserializer");
    KafkaConsumer consumer = new KafkaConsumer(props);
    consumer.subscribe(Arrays.asList(topicName));
    System.out.println("Subscribed to topic: " + consumer.subscription());

    while (true) {
        ConsumerRecords records = consumer.poll(1000);
        for (ConsumerRecord record : records) {
            System.out.print("offset = " + record.offset());
            System.out.println(", value = " + record.value());
        }
    }
}
}