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

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

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

import java.util.Properties;

public class SimpleProducer {

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

String topicName ="abcd";

? ? ? ? Properties props =new Properties();

? ? ? ? props.put("bootstrap.servers", "192.168.2.128:9092");

? ? ? ? props.put("client.id", "2");

? ? ? ? props.put("acks", "all");

? ? ? ? props.put("retries", 0);

? ? ? ? props.put("batch.size", 16384);

? ? ? ? props.put("linger.ms", 1);

? ? ? ? props.put("buffer.memory", 33554432);

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

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

? ? ? ? Producer producer =new KafkaProducer(props);

? ? ? ? producer.send(new ProducerRecord(topicName, "qqq"));

? ? ? ? System.out.println("Message sent successfully");

? ? ? ? producer.close();

? ? }

}