[Solved] Given this Spring Boot controller method, what will be the response to a POST request to "/hello"? @PostMapping("/hello") public String greet() { return "Hello World!"; } | Spring Boot

Spring Boot - REST Controllers

Given this Spring Boot controller method, what will be the response to a POST request to "/hello"?

@PostMapping("/hello")
public String greet() {
    return "Hello World!";
}

A404 Not Found

BHello World!

CMethod Not Allowed

DInternal Server Error

Step-by-Step Solution

Solution:

Step 1: Analyze the method mapping and return value
The method is mapped to POST requests at "/hello" and returns "Hello World!".
Step 2: Determine the response for a POST request to "/hello"
A POST request to "/hello" will invoke this method and return the string "Hello World!" as the response body.
Final Answer:
Hello World! -> Option B
Quick Check:
POST to /hello returns method string [OK]

Quick Trick: POST request triggers @PostMapping method response [OK]

Common Mistakes:

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