[Solved] Which of the following is true about the default behavior of @RequestParam in Spring Boot? — Ans: It requires the query parameter to be present by default | Spring Boot

Spring Boot - REST Controllers

Which of the following is true about the default behavior of @RequestParam in Spring Boot?

AIt ignores missing query parameters by default

BIt requires the query parameter to be present by default

CIt automatically converts query parameters to JSON

DIt only works with POST requests

Step-by-Step Solution

Solution:

Step 1: Check default required behavior
By default, @RequestParam requires the query parameter to be present; otherwise, Spring throws an error.
Step 2: Understand other options
It does not ignore missing parameters unless specified, does not convert to JSON automatically, and works with all HTTP methods, not just POST.
Final Answer:
It requires the query parameter to be present by default -> Option B
Quick Check:
@RequestParam required = true by default [OK]

Quick Trick: Query params are required unless marked optional [OK]

Common Mistakes:

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Which of the following is true about the default behavior of @RequestParam in Spring Boot?