[Solved] Given the controller method:@GetMapping("/search") public String search(@RequestParam String query) { return "You searched for: " + query; }What will be the output if the URL is /search?query=books? | Spring Boot

Spring Boot - REST Controllers

Given the controller method:

@GetMapping("/search")
public String search(@RequestParam String query) {
    return "You searched for: " + query;
}

What will be the output if the URL is /search?query=books?

AYou searched for: books

BYou searched for: query

CYou searched for: null

DError: Missing required parameter

Step-by-Step Solution

Solution:

Step 1: Understand parameter binding
The query parameter 'query' is passed as 'books' in the URL, so it binds to the method parameter.
Step 2: Check method return
The method returns the string concatenated with the query value, so output is 'You searched for: books'.
Final Answer:
You searched for: books -> Option A
Quick Check:
Query param value = "books" output [OK]

Quick Trick: Query param value appears in method output [OK]

Common Mistakes:

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