[Solved] What is the main purpose of the @PathVariable annotation in Spring Boot? — Ans: To extract values from the URL path and pass them as method parameters | Spring Boot

Spring Boot - REST Controllers

What is the main purpose of the @PathVariable annotation in Spring Boot?

ATo bind form data to a Java object

BTo handle exceptions in controller methods

CTo define a fixed URL mapping for a controller method

DTo extract values from the URL path and pass them as method parameters

Step-by-Step Solution

Solution:

Step 1: Understand the role of @PathVariable
@PathVariable is used to get dynamic parts of the URL and pass them to method parameters.
Step 2: Compare with other annotations
Other options like binding form data or exception handling are done by different annotations, not @PathVariable.
Final Answer:
To extract values from the URL path and pass them as method parameters -> Option D
Quick Check:
@PathVariable = extract URL values [OK]

Quick Trick: Remember: @PathVariable grabs values directly from URL path [OK]

Common Mistakes:

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What is the main purpose of the @PathVariable annotation in Spring Boot?