Java与腾讯云Kafka对接: 如何实现消息队列的高可用和高性能？

<dependency>
    <groupId>org.apache.kafka</groupId>
    <artifactId>kafka-clients</artifactId>
    <version>2.0.1</version>
</dependency>

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

import java.util.Properties;

public class KafkaProducerDemo {
    public static void main(String[] args) {
        // 配置Kafka连接信息
        Properties props = new Properties();
        props.put("bootstrap.servers", "your-kafka-server:9092");
        props.put("key.serializer", "org.apache.kafka.common.serialization.StringSerializer");
        props.put("value.serializer", "org.apache.kafka.common.serialization.StringSerializer");

        // 创建生产者实例
        KafkaProducer<String, String> producer = new KafkaProducer<>(props);

        // 发送消息
        for (int i = 0; i < 10; i++) {
            ProducerRecord<String, String> record = new ProducerRecord<>("your-topic", Integer.toString(i), "Hello World " + i);
            producer.send(record, new Callback() {
                @Override
                public void onCompletion(RecordMetadata metadata, Exception exception) {
                    if (exception != null) {
                        exception.printStackTrace();
                    } else {
                        System.out.println("Message sent successfully: " + metadata.offset());
                    }
                }
            });
        }

        // 关闭生产者实例
        producer.close();
    }
}

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

import java.util.Collections;
import java.util.Properties;

public class KafkaConsumerDemo {
    public static void main(String[] args) {
        // 配置Kafka连接信息
        Properties props = new Properties();
        props.put("bootstrap.servers", "your-kafka-server:9092");
        props.put("group.id", "your-group-id");
        props.put("key.deserializer", "org.apache.kafka.common.serialization.StringDeserializer");
        props.put("value.deserializer", "org.apache.kafka.common.serialization.StringDeserializer");

        // 创建消费者实例
        KafkaConsumer<String, String> consumer = new KafkaConsumer<>(props);

        // 订阅主题
        consumer.subscribe(Collections.singletonList("your-topic"));

        // 接收消息
        while (true) {
            ConsumerRecords<String, String> records = consumer.poll(100);
            for (ConsumerRecord<String, String> record : records) {
                System.out.println("Received message: " + record.value());
            }
        }

        // 关闭消费者实例
        consumer.close();
    }
}