DEV Community

Cover image for Getting Back to Java: A Journey Through One of the Most Versatile Languages
Ricardo Caselati
Ricardo Caselati

Posted on • Edited on

Getting Back to Java: A Journey Through One of the Most Versatile Languages

Did you know that Java is among the most widely used programming languages in the world? Whether it's for web applications, enterprise systems, or even Android development, Java remains a solid choice for developers of all levels.

I decided to revisit this language after completing my technical training in Systems Development at SESI SENAI. Now, I’m combining it with my ongoing studies in React, Node.js, and JavaScript. In this space, I’ll share my progress, insights, and of course, lots of code. Ready to dive in?

Why Learn Java?

Java is renowned for its portability and versatility. The language is used in a variety of environments, thanks to its robust, platform-independent nature. One of Java's biggest strengths is the JDK — Java Development Kit — which provides all the tools needed to build and run applications.

The Java platform is made up of a broad set of technological components, each responsible for a specific part of the development and runtime environment. When you run a Java program, you're usually interacting with the Java Virtual Machine (JVM) and a standard set of libraries that come bundled with Java.

What Is the JVM?

The Java Virtual Machine (JVM) is the cornerstone of Java's portability. When you compile a Java program, your code is transformed into ByteCode — an intermediate format that can be executed by any JVM installed on the system, whether it’s Windows, Linux, or macOS. This ensures that the same code runs consistently across different platforms.

Java schema

Conclusion

Java isn’t just a programming language; it’s a comprehensive development platform that continues to evolve. In future posts, I’ll explore how to set up your development environment and create practical examples to help you dive deeper into this amazing ecosystem. Get ready to roll up your sleeves, write some code, and uncover what makes Java so incredible!

Image of Timescale

Timescale – the developer's data platform for modern apps, built on PostgreSQL

Timescale Cloud is PostgreSQL optimized for speed, scale, and performance. Over 3 million IoT, AI, crypto, and dev tool apps are powered by Timescale. Try it free today! No credit card required.

Try free

Top comments (0)

Billboard image

The Next Generation Developer Platform

Coherence is the first Platform-as-a-Service you can control. Unlike "black-box" platforms that are opinionated about the infra you can deploy, Coherence is powered by CNC, the open-source IaC framework, which offers limitless customization.

Learn more