public class TrackProducer {

public static void main(String[] args) {

Properties props = new Properties();

props.setProperty("bootstrap.servers", "localhost:9092");

props.setProperty("key.serializer",

"org.apache.kafka.common.serialization.LongSerializer");

props.setProperty("value.serializer",

"org.apache.kafka.common.serialization.StringSerializer");

try(KafkaProducer<Long, String> producer = new

KafkaProducer<>(props);) {

ProducerRecord<Long, String> record = new

ProducerRecord<>("TrackTopic", 1L, "22.576N,88.3639E");

producer.send(record, new TrackCallback());

} catch (Exception e) {

e.printStackTrace();

}

}

}

mport org.apache.kafka.clients.producer.Callback;

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

public class TrackCallback implements Callback {

@Override

public void onCompletion(RecordMetadata metadata, Exception e) {

System.out.println(metadata.partition());

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

}

}

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

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

import java.time.Duration;

import java.util.Arrays;

import java.util.Collections;

import java.util.List;

import java.util.Properties;

public class TrackConsumer {

public static void main(String[] args) {

Properties props = new Properties();

props.setProperty("bootstrap.servers", "localhost:9092");

props.setProperty("key.deserializer",

"org.apache.kafka.common.serialization.LongDeserializer");

props.setProperty("value.deserializer",

"org.apache.kafka.common.serialization.StringDeserializer");

props.setProperty("group.id", "TrackGroup");

KafkaConsumer<Long, String> consumer = new

KafkaConsumer<>(props);

consumer.subscribe(Collections.singletonList("TrackTopic"));

ConsumerRecords<Long, String> records =

consumer.poll(Duration.ofSeconds(20));

records.forEach(tracking -> {

List<String> coordinates = Arrays.asList(tracking.value().split(","));

System.out.println("Truck ID: " + tracking.key());

System.out.println("Latitude: " + coordinates.get(0));

System.out.println("Longitude: " + coordinates.get(1));

});

consumer.close();

}

}