build.sbt

name := "KafkaTest"

    libraryDependencies ++= Seq(
        "org.apache.kafka" % "kafka-clients" % "0.10.1.0"
        exclude("javax.jms", "jms")
        exclude("com.sun.jdmk", "jmxtools")
        exclude("com.sun.jmx", "jmxri")
        exclude("org.slf4j", "slf4j-simple")
    )

SimpleProducer.java

import java.util.*;
    import org.apache.kafka.clients.producer.*;                                    
    public class SimpleProducer {                                    
        public static void main(String[] args) throws Exception{

            String key = "Key1";
            String value = "Value-1";
            String topicName = "SimpleProducerTopic";
                                    
            Properties props = new Properties();
            props.put("bootstrap.servers", "localhost:9092,localhost:9093");
            props.put("key.serializer","org.apache.kafka.common.serialization.StringSerializer");         
            props.put("value.serializer", "org.apache.kafka.common.serialization.StringSerializer");
                                    
            Producer<String, String> producer = new KafkaProducer<>(props);                                    
            ProducerRecord<String, String> record = new ProducerRecord<>(topicName,key,value);
            producer.send(record);                
            producer.close();
            System.out.println("SimpleProducer Completed.");
        }
    }