[Solved] Which Kafka interface do you implement to create a custom deserializer? — Ans: org.apache.kafka.common.serialization.Deserializer | Kafka

Kafka - Advanced Stream Processing

Which Kafka interface do you implement to create a custom deserializer?

Aorg.apache.kafka.common.serialization.Deserializer

Borg.apache.kafka.common.serialization.Serializer

Corg.apache.kafka.clients.consumer.Consumer

Dorg.apache.kafka.common.serialization.Converter

Step-by-Step Solution

Solution:

Step 1: Recall Kafka deserializer interface
The interface for deserializing bytes back to objects is Deserializer.
Step 2: Match interface to purpose
Serializer is for serialization, Consumer is for consuming messages, Converter is not a Kafka interface.
Final Answer:
org.apache.kafka.common.serialization.Deserializer -> Option A
Quick Check:
Custom deserializer interface = Deserializer [OK]

Quick Trick: Deserializer interface handles byte-to-object conversion [OK]

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