Which of the following is the correct way to specify a String deserializer in a Kafka consumer configuration?

easy📝 Syntax Q12 of 15

Kafka - Consumers

props.put("key.deserializer", ?);

A"org.apache.kafka.common.serialization.StringDeserializer"

B"org.apache.kafka.common.serialization.IntegerSerializer"

C"org.apache.kafka.common.serialization.ByteArrayDeserializer"

D"org.apache.kafka.common.serialization.StringSerializer"

Step-by-Step Solution

Solution:

Step 1: Identify deserializer for String keys
The correct class for String deserialization is StringDeserializer.
Step 2: Check option correctness
"org.apache.kafka.common.serialization.StringDeserializer" uses StringDeserializer, which matches the key.deserializer property.
Final Answer:
"org.apache.kafka.common.serialization.StringDeserializer" -> Option A
Quick Check:
String deserializer = StringDeserializer [OK]

Quick Trick: Deserializer ends with 'Deserializer', not 'Serializer' [OK]

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