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      Confluent Cloud

      Fully-managed data streaming platform with a cloud-native Kafka engine (KORA) for elastic scaling, with enterprise security, stream processing, governance.
      Confluent Platform

      An on-premises enterprise-grade distribution of Apache Kafka with enterprise security, stream processing, governance.
  • Connect
      Managed

      Use fully-managed connectors with Confluent Cloud to connect to data sources and sinks.
      Self-Managed

      Use self-managed connectors with Confluent Platform to connect to data sources and sinks.
  • Govern
      Managed

      Use fully-managed Schema Registry and Stream Governance with Confluent Cloud.
      Self-Managed

      Use self-managed Schema Registry and Stream Governance with Confluent Platform.
  • Process
      Managed

      Use Flink on Confluent Cloud to run complex, stateful, low-latency streaming applications.
      Self-Managed

      Use Flink on Confluent Platform to run complex, stateful, low-latency streaming applications.
Stream
Confluent Cloud

Fully-managed data streaming platform with a cloud-native Kafka engine (KORA) for elastic scaling, with enterprise security, stream processing, governance.
Confluent Platform

An on-premises enterprise-grade distribution of Apache Kafka with enterprise security, stream processing, governance.
Connect
Managed

Use fully-managed connectors with Confluent Cloud to connect to data sources and sinks.
Self-Managed

Use self-managed connectors with Confluent Platform to connect to data sources and sinks.
Govern
Managed

Use fully-managed Schema Registry and Stream Governance with Confluent Cloud.
Self-Managed

Use self-managed Schema Registry and Stream Governance with Confluent Platform.
Process
Managed

Use Flink on Confluent Cloud to run complex, stateful, low-latency streaming applications.
Self-Managed

Use Flink on Confluent Platform to run complex, stateful, low-latency streaming applications.
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  1. Home
  2. Platform
  3. Build Applications for Kafka
  4. Kafka Clients
  5. Kafka Client Examples for Confluent Platform

CONFLUENT PLATFORM

  • Overview
  • Get Started
    • What is Confluent Platform?
    • Quick Start for Confluent Platform
    • Kafka Basics on Confluent Platform
    • Apache Kafka Introduction
    • Videos, Demos, and Reading Material
      • Scripted Confluent Platform Demo
        • Overview
        • Deploy Confluent Platform Environment
        • Deploy Hybrid Confluent Platform and Cloud Environment
        • End Demo
        • Troubleshooting
      • Tutorial: Introduction to Streaming Application Development
      • Clickstream Data Analysis Pipeline Using ksqlDB
      • RBAC Example for Confluent Platform
      • Replicator Schema Translation Example for Confluent Platform
      • DevOps for Kafka with Kubernetes and GitOps
        • Overview
        • Kafka DevOps Case Studies
          • Case Study: Graduated Environments
          • Case Study: Manage Cloud Secrets
          • Case Study: Kafka Connect management with GitOps
    • Resources
    • Course: Apache Kafka 101
  • Install and Upgrade
    • Overview
    • System Requirements
    • Install Manually
      • ZIP and TAR
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  • Build Client Applications
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        • Python Client
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      • Client Examples
        • Overview
        • C/C++ Example
        • .NET Example
        • Go Example
        • Spring Boot Example
        • Java Example
        • KafkaProducer Example
        • Python Example
        • REST Example
        • Node.js Example
        • Clojure Example
        • Groovy Example
        • Kafka Connect Datagen Example
        • kafkacat Example
        • Kotlin Example
        • Ruby Example
        • Rust Example
        • Scala Example
      • Client APIs
        • Kafka C++ Client API
        • Kafka Python Client API
        • Kafka Go Client API
        • Kafka .NET Client API
        • JavaScript Client API
        • JMS Client
          • Overview
          • JMS Client Installation
          • JMS Client Development Guide
    • MQTT Proxy
      • Introduction
      • Communication Security Settings
      • MQTT Proxy Configuration Options
    • Command Line Tools
      • CLI Tools for Confluent Platform
      • Confluent CLI
    • kcat (formerly kafkacat) Utility
  • Confluent REST Proxy
    • Overview
    • Quick Start
    • Rest Proxy API Reference
    • Production Deployment
      • Confluent Server Admin APIs
        • Configuration
        • Security
      • Standalone REST Proxy
        • Overview
        • Configuration
        • Monitoring
        • Security
    • REST Proxy Tutorial
    • Connect to Confluent Cloud
  • ksqlDB and Kafka Streams
    • Overview
    • ksqlDB
      • ksqlDB Overview
      • ksqlDB Quickstart
      • Install ksqlDB
      • Operate ksqlDB
      • Upgrade ksqlDB
      • Develop applications for ksqlDB
      • Run ksqlDB in Confluent Cloud
      • Connect ksqlDB to Confluent Cloud
      • Migrate Confluent Cloud ksqlDB applications
      • Run ksqlDB in Confluent Control Center
      • Connect ksqlDB to Confluent Control Center
      • Secure ksqlDB with RBAC
      • Frequently Asked Questions
      • Troubleshoot ksqlDB issues
      • Tutorials and Examples
        • Tutorials overview
        • ksqlDB Quick Start
        • How-to Guides
        • Example Code Snippets
        • Materialized View/cache
        • Streaming ETL Pipeline
        • Event-driven Microservice
        • ksqlDB with Embedded Connect
        • Clickstream Data Analysis Pipeline Using ksqlDB
        • Kafka Tutorials Using ksqlDB
    • Kafka Streams
      • Kafka Streams Overview
      • Introduction
      • Build your first Streams application
      • Tutorial: Introduction to Streaming Application Development
      • Connect Confluent Platform Components to Confluent Cloud
      • Streams Concepts
      • Streams Architecture
      • Streams Code Examples
      • Streams Developer Guide
        • Writing a Streams Application
        • Testing Streams Code
        • Configuring a Streams Application
        • Streams DSL
        • Naming Kafka Streams DSL Topologies
        • Optimizing Kafka Streams Topologies
        • Processor API
        • Data Types and Serialization
        • Interactive Queries
        • Memory Management
        • Running Streams Applications
        • Managing Streams Application Topics
        • Kafka Streams Security
        • Application Reset Tool
      • Pipelining with Kafka Connect and Kafka Streams
      • Streams Operations
        • Capacity Planning and Sizing
        • Monitoring Kafka Streams Applications
      • Streams Upgrade Guide
      • Streams FAQ
      • Streams Javadocs
  • Connect to External Systems
    • Overview
    • Get Started
    • Kafka Connect 101
    • Connectors
    • Confluent Hub
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        • Overview
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    • Reference
      • Connect Javadocs
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      • Connector Configuration Properties
    • Transformation
      • Overview
      • Cast
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      • ExtractField
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      • Filter (Confluent)
      • Flatten
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      • HeaderFrom
      • HoistField
      • InsertField
      • InsertHeader
      • MaskField
      • MessageTimestampRouter
      • RegexRouter
      • ReplaceField (Kafka)
      • ReplaceField (Confluent)
      • SetSchemaMetadata
      • TimestampConverter
      • TimestampRouter
      • TombstoneHandler
      • TopicRegexRouter
      • ValueToKey
    • Security
      • Kafka Connect Security Basics
      • Kafka Connect and RBAC
        • Get Started With RBAC and Kafka Connect
        • Configure RBAC for a Connect Cluster
        • Configure RBAC for a Connect Worker
        • RBAC for self-managed connectors
        • Connect Secret Registry
        • Example Connect role-binding sequence
    • Design
    • Add Connectors and Software
    • Install Community Connectors
    • Upgrade
    • FileStream Connectors
    • FAQ
  • Schema Management
    • Overview
    • Tutorial
    • Installing and Configuring
      • Install
      • Configure Schema Registry
      • Configure Clients to Schema Registry
      • Deploy in Production
      • Deployment Architectures
      • Migrate Schemas
    • Fundamentals
      • Key Concepts
      • Schema Evolution and Compatibility for Schema Registry on Confluent Platform
      • Schema Formats for Schema Registry on Confluent Platform
        • Serializers and Deserializers Overview
        • Avro
        • Protobuf
        • JSON Schema
    • Manage Schemas
      • Manage Schemas in Control Center
      • Schema Contexts
      • Schema Linking
      • Schema Validation
      • Monitoring
      • Delete Schemas
      • Integrate Schemas from Connectors
    • Security
      • Schema Registry Security Overview
      • Role-Based Access Control
      • Schema Registry Security Plugin
        • Overview
        • Install and Configure
        • Schema Registry Authorization
          • Supported Operations and Resources
          • Role-Based Access Control
          • Schema Registry ACL Authorizer
          • Topic ACL Authorizer
    • Reference
      • Overview
      • Maven Plugin
      • API Reference
      • API Usage Examples
  • Security
    • General Security
      • Security Overview
      • Security Tutorial
      • Configuring Confluent Server Authorizer
      • Cluster Registry
      • Security Compliance
      • Prefixes for Configuring Security
    • Authentication
      • Authentication Methods Overview
      • Authentication with SASL
        • Authentication with SASL using JAAS
        • Install
        • Configuring GSSAPI
        • Configuring OAUTHBEARER
        • Configuring PLAIN
        • Configuring SCRAM
        • Authentication using Delegation Tokens
        • Configuring Kafka Client Authentication with LDAP
      • Encrypt and Authenticate with TLS
      • HTTP Basic Authentication
      • Adding security to a running cluster
    • Authorization
      • Authorization using Role-Based Access Control
        • RBAC Overview
        • Quick Start
        • Predefined Roles
        • Enable RBAC in a Running Cluster
        • Discover Identifiers for Clusters
        • Configuring Token Authentication
        • Confluent Metadata API Reference
        • RBAC Example for Confluent Platform
      • Configure RBAC using the REST API
      • ACLs
        • Authorization using centralized ACLs
        • Authorization using ACLs
      • Group-Based Authorization Using LDAP
        • Configuring Confluent Server Authorizer
        • Configuring LDAP
        • Tutorial: Group-Based Authorization Using LDAP
    • Data Protection
      • Audit Logs
        • Audit Log Concepts
        • Auditable Events
        • Configure Audit Logs using the Confluent CLI
        • Configure MDS to Manage Centralized Audit Logs
        • MDS API Audit Log Configuration
        • Configure Audit Logs using the Properties File
      • Encrypt with TLS
      • Secrets
        • Secrets Management
        • Tutorial: Secret Protection
      • Redact Confluent Logs
    • Component Security
      • Confluent Control Center Security
        • Overview
        • Configure TLS/SSL
        • Configure SASL
        • Configure HTTP Basic Authentication
        • Authorize with Kafka ACLs
        • Configure LDAP
        • Configure RBAC
        • Manage and View RBAC Roles
          • Log in to Control Center when RBAC enabled
          • Manage RBAC roles with Control Center
          • View your RBAC roles in Control Center
      • Kafka Streams Security
      • Schema Registry Security
      • Kafka Connect Security
        • Kafka Connect Security Basics
        • Kafka Connect and RBAC
          • Get Started With RBAC and Kafka Connect
          • Configure RBAC for a Connect Cluster
          • Configure RBAC for a Connect Worker
          • RBAC for self-managed connectors
          • Connect Secret Registry
          • Example Connect role-binding sequence
      • ksqlDB RBAC
      • REST Proxy Security
        • REST Proxy Security
        • REST Proxy Security Plugins
      • ZooKeeper Security
    • Security Management Tools
      • Ansible Playbooks for Confluent Platform
      • Docker Security for Confluent Platform
  • Multi-DC Deployment Architectures
    • Overview
    • Multi-Data Center Architectures
    • Cluster Linking
      • Cluster Linking Overview
      • Use Cases and Tutorials
        • Share Data Across Topics
        • Create Hybrid Cloud and Bridge-to-Cloud Deployments
        • Migrate Data
      • Configure, Manage, and Monitor
        • Manage Mirror Topics
        • Configure and Manage
        • Commands Reference
        • Monitor Metrics
        • Manage Security
      • FAQ
    • Multi-Region Clusters
      • Overview
      • Tutorial: Multi-Region Clusters
      • Transition Standard Active-Passive Data Centers to a Multi-Region Stretched Cluster
    • Replicator for Multi-Datacenter Replication
      • Replicator Overview
      • Tutorial: Replicating Data Across Clusters
      • Active-active Demo
      • Download and Install
      • Configure and Run
      • Tuning Replicator
      • Monitoring Replicator
      • Replicator and Cross-Cluster Failover
      • Configuration Options
      • Migrate from MirrorMaker to Replicator
      • Replicator Verifier
      • Replicator to Cloud Configurations
  • Administer
    • Confluent Control Center
      • Control Center Overview
      • Installing and Configuring Control Center
        • Configuring
        • Configuration Reference
        • Check Control Center Version and Enable Auto-Update
        • Properties File
        • Connecting Control Center to Confluent Cloud
        • Confluent Monitoring Interceptors in Control Center
        • Installing Control Center on Kafka
        • Managing Confluent Platform Licenses
        • Troubleshooting Control Center
        • Upgrading Control Center
      • Clusters
      • Brokers
      • Topics Overview
        • Topics Overview
        • Create
        • View Topic Metrics
        • Message Browser
        • Manage Schemas for Topics
        • Edit Configuration Settings for Topics
        • Delete Topics
      • Connect
      • ksqlDB
      • Consumers
      • Replicators
      • Clusters
      • Control Center Alerts
        • Overview
        • Access Alerts and Alert History
        • Configure Alerts Properties
        • View and Manage Triggers
        • Manage Actions
        • Configure PagerDuty Emails with Alerts
        • REST API for Alerts History
        • Example Triggers and Actions
        • Troubleshooting Alerts
      • Security
    • Configuration Reference
      • Overview
      • Kafka Broker Configurations for Confluent Platform
      • Kafka Topic Configurations for Confluent Platform
      • Kafka Consumer Configurations for Confluent Platform
      • Kafka Producer Configurations for Confluent Platform
      • Kafka Connect Configurations for Confluent Platform
        • Overview
        • Sink Configurations
        • Source Configurations
      • Kafka AdminClient Configurations for Confluent Platform
      • License Configurations for Confluent Platform
      • Kafka Streams Configurations for Confluent Platform
      • Docker Configuration Parameters for Confluent Platform
      • Control Center Configurations
      • Streams Configurations
      • ZooKeeper Configurations
      • ksqlDB Server Configurations
    • CLI Tools for Confluent Platform
      • CLI Tools for Confluent Platform
      • Confluent CLI
    • Dynamic Kafka Configurations
    • Configure a Multi-Node Environment with Docker
    • Metadata Service (MDS)
      • Configure Metadata Service (MDS)
      • Configure Confluent Platform Components to Communicate with MDS over TLS/SSL
      • Configure mTLS Authentication and RBAC for Kafka Brokers
      • Configure Kerberos Authentication for Brokers Running MDS
      • Configure LDAP Authentication
      • Configure LDAP Group-Based Authorization for MDS
      • Configure MDS to Manage Centralized Audit Logs
      • Metadata Service Configuration Options
      • Confluent Metadata API Reference
    • Confluent Metrics Reporter
    • Confluent Health+
      • Health+ Overview
      • Enable Health+
      • Health+ Intelligent Alerts
      • Health+ Monitoring Dashboard
      • Confluent Telemetry Reporter
      • Telemetry Reporter Metrics
      • Confluent Health+ FAQ
    • Confluent REST Proxy
      • Overview
      • Quick Start
      • Rest Proxy API Reference
      • Production Deployment
        • Confluent Server Admin APIs
          • Configuration
          • Security
        • Standalone REST Proxy
          • Overview
          • Configuration
          • Monitoring
          • Security
      • REST Proxy Tutorial
      • Connect to Confluent Cloud
    • Kafka Operations
      • Overview
      • Running Kafka in Production
      • Dynamic Kafka Configurations
      • Post Kafka Deployment
      • Self-Balancing Clusters
        • Self-Balancing Overview
        • Quick Start Demo (Docker)
        • Tutorial: Adding and Removing Brokers
        • Configuration Options and Commands
        • Performance and Resource Usage
      • Auto Data Balancing
        • Quick Start
        • Tutorial (Docker)
        • Command and Configuration Options
      • Monitoring Kafka with JMX
      • Confluent Metrics Reporter
      • Tiered Storage
    • Docker Operations
      • Overview
      • Kafka Monitoring and Metrics Using JMX
      • Configure Docker Logging
      • Mounting Docker External Volumes
    • Post Kafka Deployment
    • ZooKeeper Operations
      • Running ZooKeeper in Production
      • Kafka Raft (KRaft)
    • Kafka Streams Operations
      • Capacity Planning and Sizing
      • Monitoring Kafka Streams Applications
    • ksqlDB Operations
    • DevOps for Kafka with Kubernetes and GitOps
      • Overview
      • Kafka DevOps Case Studies
        • Case Study: Graduated Environments
        • Case Study: Manage Cloud Secrets
        • Case Study: Kafka Connect management with GitOps
  • Confluent Health+
    • Health+ Overview
    • Enable Health+
    • Health+ Intelligent Alerts
    • Health+ Monitoring Dashboard
    • Confluent Telemetry Reporter
    • Telemetry Reporter Metrics
    • Confluent Health+ FAQ
  • Confluent CLI
  • Release Notes
    • Release Notes
    • Component Changelogs
  • APIs and Javadocs
    • Overview
    • Kafka API Javadocs
      • Kafka Java Client APIs
      • Kafka Producer Java API
      • Kafka Consumer Java API
      • Kafka AdminClient Java API
      • Kafka Common Java API
      • Kafka Streams Java API
      • Kafka Connect Java API
    • Kafka Client APIs
      • Kafka C++ Client API
      • Kafka Python Client API
      • Kafka Go Client API
      • Kafka .NET Client API
      • JavaScript Client API
      • JMS Client
        • Overview
        • JMS Client Installation
        • JMS Client Development Guide
    • Confluent APIs
      • Confluent REST Proxy API
        • Overview
        • Quick Start
        • Rest Proxy API Reference
        • Production Deployment
          • Confluent Server Admin APIs
            • Configuration
            • Security
          • Standalone REST Proxy
            • Overview
            • Configuration
            • Monitoring
            • Security
        • REST Proxy Tutorial
        • Connect to Confluent Cloud
      • Connect REST API
      • ksqlDB REST API
      • Metadata API
      • Schema Registry API
  • Glossary

Kafka Client Examples for Confluent Platform¶

Learn how to build Apache Kafka® clients apps using your favorite language.

  • Create an Apache Kafka Client App for C/C++
  • Create an Apache Kafka Client App for .NET
  • Create an Apache Kafka Client App for Go
  • Create an Apache Kafka Client App for Spring Boot
  • Create an Apache Kafka Client App for Java
  • Create an Apache Kafka Client App for KafkaProducer
  • Create an Apache Kafka Client App for Python
  • Create an Apache Kafka Client App for REST
  • Create an Apache Kafka Client App for Node.js
  • Create an Apache Kafka Client App for Clojure
  • Create an Apache Kafka Client App for Groovy
  • Create an Apache Kafka Client App for Kafka Connect Datagen
  • Create an Apache Kafka Client App for kcat
  • Create an Apache Kafka Client App for Kotlin
  • Create an Apache Kafka Client App for Ruby
  • Create an Apache Kafka Client App for Rust
  • Create an Apache Kafka Client App for Scala

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