消息推送系统

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

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

public class KafkaProducerExample {

public static void main(String[] args) {

Properties props = new Properties();

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

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

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

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

KafkaProducer producer = new KafkaProducer<>(props);

producer.send(new ProducerRecord("my-topic", "key", "value"));

producer.close();

}

}

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