Learn Quarkus - 10 Code Examples & CST Typing Practice Test
Quarkus is a Kubernetes-native Java framework designed for building cloud-native, high-performance applications. It emphasizes fast startup times, low memory usage, and developer productivity.
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Learn QUARKUS with Real Code Examples
Updated Nov 25, 2025
Learning Path
Learn Java 17+ basics
Understand Quarkus application structure
Learn JAX-RS for REST endpoints
Work with CDI and dependency injection
Deploy native images to Kubernetes/OpenShift
Skill Improvement Plan
Week 1: Java and Maven fundamentals
Week 2: REST endpoints with JAX-RS
Week 3: Dependency injection and CDI beans
Week 4: Reactive programming and Mutiny
Week 5: Native image compilation and cloud deployment
Interview Questions
What is Quarkus and why use it?
Explain Quarkus native images
How does Quarkus support reactive programming?
Describe Quarkus extensions and dependency injection
Compare Quarkus with Spring Boot
Cheat Sheet
mvn io.quarkus:quarkus-maven-plugin:create -> create project
@Path('/endpoint') -> define REST endpoint
@GET/@POST -> define HTTP methods
@Inject -> inject CDI bean
./mvnw quarkus:dev -> run dev server with live reload
Books
Quarkus Cookbook
Mastering Quarkus
Reactive Java with Quarkus
Cloud-Native Java with Quarkus
High-Performance Microservices with Quarkus
Tutorials
Getting started with Quarkus
Build REST APIs with JAX-RS
Reactive programming with Mutiny
Deploy Quarkus apps to Kubernetes/OpenShift
Create native images with GraalVM
Official Docs
https://quarkus.io/
https://github.com/quarkusio/quarkus
Community Links
Quarkus GitHub
Red Hat Developer community
StackOverflow Quarkus questions
Reddit r/quarkus
YouTube Quarkus tutorials
Community Support
Quarkus GitHub
Red Hat Developer community
StackOverflow Quarkus questions
Reddit r/quarkus
Official documentation and tutorials
Frequently Asked Questions about Quarkus
What is Quarkus?
Quarkus is a Kubernetes-native Java framework designed for building cloud-native, high-performance applications. It emphasizes fast startup times, low memory usage, and developer productivity.
What are the primary use cases for Quarkus?
Microservices development. RESTful APIs with JAX-RS. Serverless functions and cloud-native apps. Reactive event-driven applications. Integration with Kubernetes and OpenShift
What are the strengths of Quarkus?
Extremely fast startup and low memory footprint. Developer-friendly live reload. Supports both reactive and imperative programming. Rich extension ecosystem for integrations. Optimized for containerized/cloud-native deployments
What are the limitations of Quarkus?
Java-specific - not suitable for other languages. Steeper learning curve for reactive programming. Requires understanding GraalVM for native images. Less mature compared to Spring ecosystem for some features. Initial configuration can be complex for beginners
How can I practice Quarkus typing speed?
CodeSpeedTest offers 10+ real Quarkus code examples for typing practice. You can measure your WPM, track accuracy, and improve your coding speed with guided exercises.