Which of the following is the correct way to set the value deserializer in Kafka consumer properties?

easy📝 Syntax Q3 of 15

Kafka - Consumers

Aprops.put("value.deserializer", "org.apache.kafka.common.serialization.StringDeserializer");

Bprops.setProperty("value.serializer", "StringSerializer");

Cprops.put("key.deserializer", "StringDeserializer");

Dprops.set("value.deserializer", "IntegerDeserializer");

Step-by-Step Solution

Solution:

Step 1: Identify correct property key and method
The property key for value deserializer is "value.deserializer" and it is set using put() method in Properties.
Step 2: Verify correct class name and usage
The class name must be fully qualified and correct, here StringDeserializer is used properly.
Final Answer:
props.put("value.deserializer", "org.apache.kafka.common.serialization.StringDeserializer"); -> Option A
Quick Check:
Set value.deserializer with put() and full class name [OK]

Quick Trick: Use put() with full class name for deserializer property [OK]

Common Mistakes:

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