Request mapping by method and path in Spring Boot - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to map a GET request to the path "/hello".

Spring Boot

@RestController
public class HelloController {
    @RequestMapping(value = "/hello", method = RequestMethod.[1])
    public String sayHello() {
        return "Hello!";
    }
}

Drag options to blanks, or click blank then click option'

AGET

BPOST

CPUT

DDELETE

Attempts:

3 left

💡 Hint

Common Mistakes

Using POST instead of GET for retrieving data.

Omitting the method attribute, which defaults to all methods.

The @RequestMapping annotation uses method = RequestMethod.GET to handle GET requests.

2fill in blank

medium

Complete the code to map a POST request to the path "/submit".

Spring Boot

@RestController
public class SubmitController {
    @RequestMapping(value = "/submit", method = RequestMethod.[1])
    public String submitData() {
        return "Submitted!";
    }
}

Drag options to blanks, or click blank then click option'

AGET

BPATCH

COPTIONS

DPOST

Attempts:

3 left

💡 Hint

Common Mistakes

Using GET instead of POST for data submission.

Confusing PATCH with POST.

The POST method is used to submit data to the server.

3fill in blank

hard

Fix the error in the code to correctly map a DELETE request to "/remove".

Spring Boot

@RestController
public class RemoveController {
    @RequestMapping(value = "/remove", method = RequestMethod.[1])
    public String removeItem() {
        return "Removed!";
    }
}

Drag options to blanks, or click blank then click option'

APUT

BDELETE

CGET

DPOST

Attempts:

3 left

💡 Hint

Common Mistakes

Using GET or POST instead of DELETE for removal.

Forgetting to specify the method attribute.

DELETE method is used to remove resources at the specified path.

4fill in blank

hard

Fill both blanks to map a PUT request to "/update" and specify the method correctly.

Spring Boot

@RestController
public class UpdateController {
    @RequestMapping(value = [1], method = RequestMethod.[2])
    public String updateItem() {
        return "Updated!";
    }
}

Drag options to blanks, or click blank then click option'

A"/update"

B"/edit"

CGET

DPUT

Attempts:

3 left

💡 Hint

Common Mistakes

Using wrong path string or missing quotes.

Using GET instead of PUT for updates.

The path should be "/update" and the method PUT for updating resources.

5fill in blank

hard

Fill all three blanks to map a PATCH request to "/modify", specify the method, and return a response.

Spring Boot

@RestController
public class ModifyController {
    @RequestMapping(value = [1], method = RequestMethod.[2])
    public String modifyItem() {
        return [3];
    }
}

Drag options to blanks, or click blank then click option'

A"/modify"

BPATCH

C"Modified!"

D"/change"

Attempts:

3 left

💡 Hint

Common Mistakes

Using wrong HTTP method for partial updates.

Forgetting quotes around strings.

The path is "/modify", the method is PATCH, and the return string is "Modified!".