Developing RESTful APIs with Kotlin and Spring Boot Practice Exam

Developing RESTful APIs with Kotlin and Spring Boot Practice Exam

Developing RESTful APIs with Kotlin and Spring Boot means learning how to build the “communication bridges” that connect applications and services. RESTful APIs (Application Programming Interfaces) allow different software systems to talk to each other. Kotlin, a modern and concise programming language, is used alongside Spring Boot, a powerful Java framework, to create APIs that are fast, secure, and reliable.

With these tools, developers can design services that power mobile apps, web apps, and even cloud systems. For example, when you use a food delivery app, the API makes it possible for the app to fetch restaurant data and process your orders. This certification helps learners understand how to create such services in a structured and efficient way.

Who should take the Exam?

This exam is ideal for:

• Backend Developers 
• Mobile App Developers
• Full-Stack Developers
• Software Engineers – working on microservices architecture
• Students and Beginners – starting a career in backend development
• Freelancers – delivering custom API solutions to clients

Skills Required

• Basic programming knowledge (Java/Kotlin preferred)
• Understanding of web basics (HTTP, client-server concepts)
• Logical and problem-solving skills
• Interest in backend systems and app communication

Knowledge Gained

• Building RESTful APIs with Kotlin and Spring Boot
• Understanding HTTP methods (GET, POST, PUT, DELETE)
• Structuring endpoints and resources in APIs
• Securing APIs with authentication and authorization
• Connecting APIs to databases
• Testing, debugging, and deploying backend services
• Designing scalable microservices with Spring Boot

Course Outline

The Developing RESTful APIs with Kotlin and Spring Boot Exam covers the following topics - 

1. Introduction to RESTful APIs

• What is an API?
• REST architecture basics

Real-world use cases of APIs

2. Getting Started with Kotlin

• Kotlin syntax and features
• Data types, functions, and classes
• Kotlin vs. Java for API development

3. Spring Boot Basics

• Introduction to Spring Framework
• Project setup with Spring Boot
• Dependency injection and annotations

4. Building RESTful Services

• Defining endpoints and routes
• Working with request and response formats (JSON, XML)
• Using HTTP methods (GET, POST, PUT, DELETE)

5. Database Integration

• Connecting Spring Boot to databases
• CRUD operations with Kotlin
• Using JPA and Hibernate

6. Security in APIs

• Authentication and authorization concepts
• Using JWT (JSON Web Tokens)
• Securing API endpoints

7. Error Handling and Validation

• Input validation techniques
• Exception handling in Kotlin and Spring Boot
• Returning meaningful error messages

8. Testing and Debugging APIs

• Unit and integration testing
• Tools for API testing (Postman, Curl)
• Debugging common issues

9.    Advanced API Development

• Pagination and filtering
• Versioning APIs
• Rate limiting and throttling

10. Deploying RESTful APIs

• Packaging and running Spring Boot applications
• Cloud deployment basics (AWS, GCP, Azure)
• Dockerizing APIs