Java

Publisher-Subscriber Pattern Using AWS SNS and SQS in Spring Boot

Publisher-Subscriber Pattern Using AWS SNS and SQS in Spring Boot

In an event-driven architecture where multiple microservices need to communicate with each other, the publisher-subscriber pattern provides an asynchronous communication model to achieve this.

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Use Cases for Java Records

Use Cases for Java Records

Java Records introduce a simple syntax for creating data-centric classes, making our code more concise, expressive, and maintainable. In this guide, we’ll explore the key concepts and practical applications of Java Records, providing a step-by-step guide to creating records and sharing best practices for using them effectively in projects.

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Don't Use Checked Exceptions

Don’t Use Checked Exceptions

Introduction Java is the only (mainstream) programming language to implement the concept of checked exceptions. Ever since, checked exceptions have been the subject of controversy.

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Create an HTTP Client with OpenFeign

Create an HTTP Client with OpenFeign

Feign is an open-source Java library that simplifies the process of making web requests. It streamlines the implementation of RESTful web services by providing a higher-level abstraction.

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Enforcing Your Architecture with ArchUnit

Enforcing Your Architecture with ArchUnit

ArchUnit is a Java library to validate your software architecture. The library is well described in its documentation and as its fluent API is pure Java, it’s easy to explore using the code completion in the IDE.

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JUnit 5 Parameterized Tests

JUnit 5 Parameterized Tests

If you’re reading this article, it means you’re already well-versed with JUnit. Let me give you a summary of JUnit - In software development, we developers write code which does something simple as designing a person’s profile or as complex as making a payment (in a banking system).

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