@GetMapping for GET requests in Spring Boot - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to create a GET endpoint using @GetMapping.

Spring Boot

public class HelloController {
    @[1]("/hello")
    public String sayHello() {
        return "Hello, world!";
    }
}

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

AGetMapping

BDeleteMapping

CRequestMapping

DPostMapping

Attempts:

3 left

💡 Hint

Common Mistakes

Using @PostMapping instead of @GetMapping

Forgetting the annotation entirely

The @GetMapping annotation is used to map HTTP GET requests to the method.

2fill in blank

medium

Complete the code to specify the path for the GET request.

Spring Boot

@GetMapping(path = "[1]")
public String greet() {
    return "Hi!";
}

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

A/Greet

B/greet

Cgreet

Dgreet/

Attempts:

3 left

💡 Hint

Common Mistakes

Omitting the leading slash

Using uppercase letters in path inconsistently

The path should start with a slash / to define the endpoint URL correctly.

3fill in blank

hard

Fix the error in the annotation to correctly map a GET request.

Spring Boot

@[1]("/welcome")
public String welcome() {
    return "Welcome!";
}

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

AGetMapping

BGetmapping

CPostMapping

DRequestMapping

Attempts:

3 left

💡 Hint

Common Mistakes

Using lowercase letters in annotation name

Using @PostMapping by mistake

The annotation is case-sensitive and must be exactly @GetMapping.

4fill in blank

hard

Fill both blanks to create a GET endpoint that returns a greeting message.

Spring Boot

public class GreetingController {
    @[1]([2] = "/greet")
    public String greet() {
        return "Hello!";
    }
}

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

AGetMapping

Bpath

Cvalue

DPostMapping

Attempts:

3 left

💡 Hint

Common Mistakes

Using @PostMapping instead of @GetMapping

Using an incorrect attribute name

@GetMapping is the correct annotation and value is the common attribute to specify the path.

5fill in blank

hard

Fill all three blanks to create a GET endpoint with a path and a method returning a string.

Spring Boot

public class MyController {
    @[1]([2] = "/hello")
    public [3] sayHello() {
        return "Hello!";
    }
}

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

AGetMapping

Bpath

CString

DPostMapping

Attempts:

3 left

💡 Hint

Common Mistakes

Using @PostMapping instead of @GetMapping

Using 'value' instead of 'path' attribute

Wrong return type

The method is annotated with @GetMapping using the path attribute, and the return type is String.