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Gabriel Dutra 234548262c KAFKA-18951 Correct topic name in client example docs (#22812 )

## What changed

- replace stale `topic1` references with the demo's actual `my-topic`
topic name
- correct the README wording from "to synchronous send" to "to
synchronously send"
- keep the Java example comments consistent with the README and
`TOPIC_NAME`

## Why

The producer/consumer example uses `my-topic`, but its documentation
still referred to `topic1`. This mismatch could confuse users following
the example.

## Validation

- `./gradlew :examples:compileJava :examples:checkstyleMain
spotlessCheck`
- `git diff --check`

Reviewers: Chia-Ping Tsai <chia7712@gmail.com>

2026-07-17 06:08:30 +08:00

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Kafka client examples

This module contains some Kafka client examples.

Start a local single-broker Kafka cluster with a plain listener configured on port 9092.
Run examples/bin/java-producer-consumer-demo.sh 10000 to asynchronously send 10k records to my-topic and consume them.
Run examples/bin/java-producer-consumer-demo.sh 10000 sync to synchronously send 10k records to my-topic and consume them.
Run examples/bin/exactly-once-demo.sh 6 3 10000 to create input-topic and output-topic with 6 partitions each, start 3 transactional application instances and process 10k records.

611 B Raw Permalink Blame History

Kafka client examples

611 B

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