Which of the following is the correct syntax to define a method that deletes a resource by ID using @DeleteMapping?

easy📝 Syntax Q12 of 15

Spring Boot - REST Controllers

Which of the following is the correct syntax to define a method that deletes a resource by ID using @DeleteMapping?

A@DeleteMapping("/items/{id}") public void deleteItem(int id) {}

B@DeleteMapping("/items") public void deleteItem(int id) {}

C@DeleteMapping("/items/{id}") public void deleteItem(@PathVariable int id) {}

D@DeleteMapping("/items") public void deleteItem(@RequestParam int id) {}

Step-by-Step Solution

Solution:

Step 1: Identify correct URL pattern and annotation
To delete by ID, URL should include path variable like /items/{id} and method parameter annotated with @PathVariable.
Step 2: Check method signature matches path variable
@DeleteMapping("/items/{id}") public void deleteItem(@PathVariable int id) {} correctly uses @DeleteMapping with path and @PathVariable int id parameter.
Final Answer:
@DeleteMapping("/items/{id}") public void deleteItem(@PathVariable int id) {} -> Option C
Quick Check:
Delete by ID needs @PathVariable and matching URL [OK]

Quick Trick: Use @PathVariable with URL {id} in @DeleteMapping [OK]

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