[Solved] What is wrong with this mapping? @RequestMapping(path = "/data", method = "POST") public String saveData() { return "Saved"; } | Spring Boot

Spring Boot - Request and Response Handling

What is wrong with this mapping?

@RequestMapping(path = "/data", method = "POST")
public String saveData() {
    return "Saved";
}

AThe method attribute should use RequestMethod.POST, not a string.

BThe path attribute cannot be used with @RequestMapping.

CThe method must return void, not String.

DThe method name must be saveDataPost, not saveData.

Step-by-Step Solution

Solution:

Step 1: Check method attribute type
The method attribute expects a RequestMethod enum value, not a string.
Step 2: Identify correct usage
Using method = "POST" is invalid; it should be method = RequestMethod.POST.
Final Answer:
The method attribute should use RequestMethod.POST, not a string. -> Option A
Quick Check:
method attribute needs RequestMethod enum [OK]

Quick Trick: Use RequestMethod.POST enum, not string "POST" [OK]

Common Mistakes:

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