Gain insights into Quarkus, a modern Java framework. Learn about creating and configuring applications, REST endpoints, WebSockets, GraphQL, fault tolerance, and database connections for robust microservices.

quarkus.tar.gz

Quarkus run dev application

Quarkus test application

Quarkus run dev application + MongoDB

Quarkus run dev application + PostgreSQL

Quarkus is a modern Java framework that simplifies the creation of web applications. With the help of Quarkus, you can create modern applications and deploy them easily on the cloud.

You’ll begin the course with an introduction to Quarkus and the different features that make it a great Java framework. Next, you’ll explore the basics of Quarkus, such as creating and configuring an application, adding plugins, and testing your code. You’ll learn how to build modern web applications using Quarkus by creating and consuming REST endpoints and documenting them. You’ll also learn how to create a WebSocket server and a GraphQL endpoint and ensure fault tolerance for your application. Lastly,  you’ll add different kinds of database connections to your Quarkus application.

After completing this course, you’ll be equipped to create various applications and microservices using Quarkus, a must-have knowledge for any developer.

Developing Microservices with Quarkus

**(True or False)** We can only use Quarkus to create REST endpoints.

(True or False) We can only use Quarkus to create REST endpoints.

Which Quarkus extension is used to validate API entries?

Which Quarkus extension is used to validate API entries?

Which specification is used to describe a REST endpoint?

Which specification is used to describe a REST endpoint?

To secure a connection between the browser and the server.

**(True or False)** Open API documentation can be used with GraphQL.

(True or False) Open API documentation can be used with GraphQL.

Which annotation is used to document a Quarkus application with OpenAPI?

Which annotation is used to document a Quarkus application with OpenAPI?

Which annotation is used to create a WebSocket with Quarkus?

Which annotation is used to create a WebSocket with Quarkus?

```java
@IfFail(fallbackMethod = "<METHOD_NAME>")
```

```java
@FallbackMethod(fallbackMethod = "<METHOD_NAME>")
```

```java
@Fallback(fallbackMethod = "<METHOD_NAME>")
```

Which annotation is used to ensure a fallback method is called?

Which annotation is used to ensure a fallback method is called?

Quiz yourself on Quarkus web fundamentals.

Introduction to Quarkus

Quarkus Basics

Quarkus Web

Quarkus Data

Epilogue

Appendix

Quiz: Quarkus Web