It will come as no surprise that we use the DELETE verb to delete REST resources. Also, you will have already figured out that the path to delete requests is /rooms/{roomId}.

The Java method that deals with room deletion is shown as follows:

@RequestMapping(value = "/{roomId}", method = RequestMethod.DELETE)
public ApiResponse deleteRoom(@PathVariable long roomId) {
  try {
    Room room = inventoryService.getRoom(roomId);
    inventoryService.deleteRoom(room.getId());
    return new ApiResponse(Status.OK, null);
  } catch (RecordNotFoundException e) {
    return new ApiResponse(Status.ERROR, null, new ApiError(999, "No room with ID " + roomId));
  }
}

By declaring the request mapping method to be RequestMethod.DELETE, Spring will make this method handle DELETE requests.

Since the resource is deleted, returning it in the response would not make a lot of sense. Service designers may choose to return a Boolean flag to indicate that the resource was successfully deleted. In our...