Why does Spring Boot require @RequestParam parameters to be present by default, and how can this behavior be changed?

hard📝 Conceptual Q10 of 15

Spring Boot - REST Controllers

Why does Spring Boot require @RequestParam parameters to be present by default, and how can this behavior be changed?

ABecause HTTP GET never has optional params; use @RequestBody for optional

BTo enforce type safety; cannot change this behavior

CTo ensure required data is provided; change with required=false or defaultValue

DBecause query strings are always mandatory; use path variables for optional

Step-by-Step Solution

Solution:

Step 1: Understand default required behavior
Spring requires @RequestParam by default to ensure the client sends necessary data.
Step 2: Learn how to make params optional
You can make parameters optional by setting required=false or providing a defaultValue attribute.
Final Answer:
To ensure required data is provided; change with required=false or defaultValue -> Option C
Quick Check:
Default required=true; change with required=false or defaultValue [OK]

Quick Trick: Use required=false or defaultValue to make params optional [OK]

Common Mistakes:

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