Kafka & Java: Consumer List Topics

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In this tutorial I will show you how to list all topics in Kafka. Before you begin you will need Maven/Eclipse all setup and a project ready to go. Also you should go through this tutorial to setup the consumer.

Imports

import java.util.Map;
import java.util.List;
import org.apache.kafka.common.PartitionInfo;

Consumer List Topics

Map<String, List> listTopics = consumer.listTopics();
System.out.println("list of topic size :" + listTopics.size());

for (String topic : listTopics.keySet()) {
	System.out.println("topic name :" + topic);
}

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