import java.io.BufferedReader;
import java.io.File;
import java.io.FileReader;
import java.util.Properties;

import org.apache.kafka.clients.producer.KafkaProducer;
import org.apache.kafka.clients.producer.Producer;
import org.apache.kafka.clients.producer.ProducerRecord;

public class KafkaLogsProducer {

	public static void main(String[] args) throws Exception{

	    //Topic Name where logs message events need to publish
	    String topicName = "Topic1";
	    // create instance for properties to access producer configs
	    Properties props = new Properties();

	    //Kafka server host and port
	    props.put("bootstrap.servers", "kafkahost:9092");

	    //Will receive acknowledgemnt of requests
	    props.put("acks", "all");

	   //Buffer size of events
	    props.put("batch.size", 16384);

	   //Total available buffer memory to the producer .
	    props.put("buffer.memory", 33553333);

	    //request less than zero
	    props.put("linger.ms", 1);

	    //If the request get fails, then retry again,
	    props.put("retries", 0);

	    props.put("key.serializer",
	       "org.apache.kafka.common.serialization.StringSerializer");

	    props.put("value.serializer",
	       "org.apache.kafka.common.serialization.StringSerializer");

	    //Thread.currentThread().setContextClassLoader(null);
	    Producer producer = new KafkaProducer
	       (props);
	    File in = new File("C:\\Users\\Saurabh\\Desktop\\Test.txt");
	    try (BufferedReader br = new BufferedReader(new FileReader(in))) {
		    String line;
		    while ((line = br.readLine()) != null) {
		    	 producer.send(new ProducerRecord(topicName,
		    	          "message", line));
		    }
		}
	             System.out.println("All Messages sent successfully");
	             producer.close();
	 }
	}

Hi
This is kafka Producer Test.
Now will check for Response.

import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
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 KafkaLogsConsumer {

	public static void main(String[] args) {
		//Topics from where message need to consume
		 List topicsList=new ArrayList();
		 topicsList.add("Topic1");
		 //topicsList.add("Topic2");		

		  Properties props = new Properties();
	      props.put("bootstrap.servers", "kafkahost:9092");
	      props.put("group.id", "test");
	      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);

	      //Kafka consumer subscribe to all these topics
	      consumer.subscribe(topicsList);

	      System.out.println("Subscribed to topic " + topicsList.get(0));

	      while (true) {
	    	 //Below poll setting will poll to kafka server in every 100 milliseconds
	    	 //and get logs mssage from there
	         ConsumerRecords records = consumer.poll(100);
	         for (ConsumerRecord record : records)
	         {
	        	//Print offset value of Kafka partition where logs message store and value for it
	        	 System.out.println(record.offset()+"-"+record.value());

	         }
	      }
	}
}

1-Hi
2-This is kafka Producer Test.
3-Now will check for Response.