JSON Processing in Java with Jackson and Gson

JSON Processing in Java with Jackson and Gson

JSON (JavaScript Object Notation) has become the de facto standard for data exchange between applications. Its human-readable syntax and lightweight structure make it an ideal choice for APIs, configuration files, and data serialization. In Java, two of the most popular libraries for handling JSON are Jackson and Gson. Both offer powerful capabilities for parsing, generating,…

Working with Apache Kafka in Java Applications

Working with Apache Kafka in Java Applications

Apache Kafka has grown into one of the most widely adopted platforms for building real-time streaming and messaging applications. Originally developed at LinkedIn, Kafka is now a top-level Apache Software Foundation project, known for its scalability, durability, and fault-tolerant event streaming capabilities. For Java developers, Kafka offers a rich API that integrates naturally with the…

Introduction to Jakarta EE for Enterprise Java Development

Introduction to Jakarta EE for Enterprise Java Development

Jakarta EE, short for Jakarta Enterprise Edition, is the modern evolution of Java EE (Java Platform, Enterprise Edition). It is a powerful, standardized platform for building large-scale, distributed, and enterprise-level applications in Java. Managed by the Eclipse Foundation since Oracle donated Java EE in 2017, Jakarta EE provides a robust set of APIs and tools…

Unit Testing in Java with JUnit 5

Unit Testing in Java with JUnit 5

Unit testing plays an essential role in producing reliable, maintainable, and bug-free software. It allows developers to verify that individual components of their applications work as intended, reducing the likelihood of issues in production. In the Java ecosystem, JUnit has been the de facto standard for unit testing for over two decades. With the release…

JavaFX vs Swing: Choosing the Right GUI Framework

JavaFX vs Swing: Choosing the Right GUI Framework

When building desktop applications in Java, the choice of GUI framework significantly impacts both the development experience and the final product’s performance, appearance, and maintainability. For many years, Swing was the go-to toolkit for creating graphical interfaces in Java. However, with the introduction of JavaFX, developers gained access to a more modern, feature-rich, and flexible…

Getting Started with Apache Maven in Java Projects

Getting Started with Apache Maven in Java Projects

Java development has grown into a vast ecosystem with numerous frameworks, tools, and libraries. In the early days, developers had to manually configure project dependencies, set up build processes, and manage library versions. This approach often led to inconsistencies, incompatibilities, and a considerable amount of wasted time. As Java projects became more complex, the need…

Hibernate ORM: Mapping Java Objects to Database Tables

Hibernate ORM: Mapping Java Objects to Database Tables

Working with databases in Java applications can be tedious when using plain JDBC. Writing SQL queries, managing connections, handling result sets, and converting database rows into Java objects quickly becomes repetitive and error-prone. This is where Hibernate ORM changes the game. It provides a powerful and flexible way to interact with databases while keeping the…

Introduction to the Spring Framework for Java Developers

Introduction to the Spring Framework for Java Developers

Building large-scale, maintainable applications in Java can become complex without the right tools. I have seen projects suffer from tightly coupled code, unclear dependency management, and an overwhelming amount of boilerplate. That’s where the Spring Framework for Java Developers plays a transformative role. It provides a cohesive, comprehensive programming model that simplifies enterprise application development…

Sealed Classes in Java: A Modern Approach to OOP

Sealed Classes in Java: A Modern Approach to OOP

Object-oriented programming (OOP) has been the backbone of Java development for decades. Over time, Java has introduced several features that refine how we model real-world concepts into software. One of the most exciting modern additions is sealed classes. When I first started exploring sealed classes, I found them to be a powerful tool for better…

Java Garbage Collection: Types and Tuning

Java Garbage Collection: Types and Tuning

Garbage collection is one of the core features that makes Java such a developer-friendly language. It relieves me from the tedious and error-prone task of manual memory management, letting me focus more on writing business logic. Yet, despite its convenience, garbage collection (GC) remains a complex topic. A deep understanding of how it works, the…