[Solved] You receive messages with JSON strings in Kafka. How do you deserialize them into Java objects? — Ans: Use a custom deserializer that parses JSON into Java objects | Kafka

Kafka - Consumers

You receive messages with JSON strings in Kafka. How do you deserialize them into Java objects?

AUse a custom deserializer that parses JSON into Java objects

BUse StringDeserializer and cast to Java objects directly

CUse IntegerDeserializer since JSON is text

DUse ByteArrayDeserializer and ignore parsing

Step-by-Step Solution

Solution:

Step 1: Understand JSON message format
JSON messages are strings but need parsing to convert into Java objects.
Step 2: Choose appropriate deserializer
A custom deserializer can parse JSON strings into Java objects during deserialization.
Final Answer:
Use a custom deserializer that parses JSON into Java objects -> Option A
Quick Check:
JSON requires parsing, so custom deserializer needed [OK]

Quick Trick: JSON needs custom deserializer to convert to objects [OK]

Common Mistakes:

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You receive messages with JSON strings in Kafka. How do you deserialize them into Java objects?