BAEL-5680: Guide to Check if Apache Kafka Server is Running (#12600)

Co-authored-by: Tapan Avasthi <tavasthi@Tapans-MacBook-Air.local>

apache-kafka-2/src/main/java/com/baeldung/kafka/KafkaAdminClient.java

@@ -0,0 +1,35 @@
+package com.baeldung.kafka;
+
+import java.util.Collection;
+import java.util.Properties;
+import java.util.concurrent.ExecutionException;
+
+import org.apache.kafka.clients.admin.AdminClient;
+import org.apache.kafka.common.Node;
+
+public class KafkaAdminClient {
+    private final AdminClient client;
+
+    public KafkaAdminClient(String bootstrap) {
+        Properties props = new Properties();
+        props.put("bootstrap.servers", bootstrap);
+        props.put("request.timeout.ms", 3000);
+        props.put("connections.max.idle.ms", 5000);
+
+        this.client = AdminClient.create(props);
+    }
+
+    public boolean verifyConnection() throws ExecutionException, InterruptedException {
+        Collection<Node> nodes = this.client.describeCluster()
+            .nodes()
+            .get();
+        return nodes != null && nodes.size() > 0;
+    }
+
+    public static void main(String[] args) throws ExecutionException, InterruptedException {
+        String defaultBootStrapServer = "localhost:9092";
+        KafkaAdminClient kafkaAdminClient = new KafkaAdminClient(defaultBootStrapServer);
+        System.out.println(kafkaAdminClient.verifyConnection());
+    }
+
+}