[Solved] Identify the error in this Kafka Streams code snippet:stream.filter(value -> value.startsWith("a")) .map(value -> value.toUpperCase()) .filter(value -> value.length() > 5) | Kafka

Kafka - Streams

Identify the error in this Kafka Streams code snippet:

stream.filter(value -> value.startsWith("a"))
      .map(value -> value.toUpperCase())
      .filter(value -> value.length() > 5)

ANo error; code is correct

BUsing two filter operations is not allowed

CThe second filter uses the mapped uppercase value correctly

DThe lambda syntax is incorrect

Step-by-Step Solution

Solution:

Step 1: Check filter and map chaining
Chaining multiple filters and maps is allowed in Kafka Streams.
Step 2: Verify lambda syntax and logic
Lambdas use correct syntax and logic: first filter checks start, map uppercases, second filter checks length.
Final Answer:
No error; code is correct -> Option A
Quick Check:
Multiple filters and maps allowed = No error; code is correct [OK]

Quick Trick: Multiple filters and maps can be chained without error [OK]

Common Mistakes:

MISTAKES

Master "Streams" in Kafka

9 interactive learning modes - each teaches the same concept differently

More Kafka Quizzes

Identify the error in this Kafka Streams code snippet: