Open source Java

Open source development tools offer a more affordable and more customizable means to develop Java software. Although problems and costs can arise from lack of documentation and support, many enterprise developers make open source development a large part of their Java dev strategies. In this section on open source strategies, learn the capabilities of different tools, discover new open source Java tools, and get tips and advice on integrating and contributing to open source projects.

March 25, 2021 25 Mar'21
AdoptOpenJDK moves to Eclipse Foundation as Adoptium

The Eclipse Foundation has launched a new working group to provide governance, IP services and developer advocacy for Adoptium, the newly renamed AdoptOpenJDK distribution of the OpenJDK spec.
October 07, 2019 07 Oct'19
GitHub tempts enterprises with Semmle, security enhancements

With the Semmle semantic code analysis engine freshly added to its quiver, GitHub gives corporate development teams one way to boost security of their open source software.
September 17, 2019 17 Sep'19
Java SE 13 adds performance, security, stability features

Java SE 13 provides developers with new features to make the Java language and platform more secure and stable. Oracle has also rolled out free cloud services and developer tools.
September 11, 2019 11 Sep'19
Eclipse completes enterprise Java move with Jakarta EE 8

The Eclipse Foundation has assumed control of the Java EE enterprise platform and specifications from Oracle and has launched an all open source version of the technology.

Bring yourself up to speed with our introductory content

Either log or rethrow Java exceptions, but never do both

When an exception occurs in your Java code, you can log it or you can rethrow it -- but don't do both. Here's why you must avoid that exception handling antipattern. Continue Reading
OSGi (Open Service Gateway Initiative)

The OSGi (Open Service Gateway Initiative) specification is a Java framework for developing and deploying modular software programs and libraries. Continue Reading
CSS (cascading style sheets)

This definition explains the meaning of cascading style sheets (CSS) and how using them with HTML pages is a user interface (UI) development best practice that complies with the separation of concerns design pattern. Continue Reading

Weigh the pros and cons of technologies, products and projects you are considering.

Developers, 'Blazor' a new path to web app creation

Expert and Blazor blogger Chris Sainty explains how developers can use a free, open source framework, still under development at Microsoft, to create web applications. Continue Reading
Explore 10 popular open source development tools

Whether you're writing, managing, building or deploying source code, there is an open source development tool to help do the job. Check out these quick tool intros to get you started. Continue Reading
Why developers need to know the Spring Security framework

The Spring Security framework is a reliable way for Java developers to secure applications. However, proper implementation is critical to prevent the most common vulnerabilities. Continue Reading

Learn to apply best practices and optimize your operations.

5 factors for using open source code in proprietary software

To make the best use of the vast and varied pool of open source software available, developers must be astute about what can actually best serve a project. Continue Reading
How to install JDK 8 and write the Java Hello World application

In this tutorial, we look at how to set up a basic Java SE development environment by installing JDK 8, after which we write, compile and run the Java Hello World application. Continue Reading
Choosing the right DevOps tool to tame your polyglot programming

When programs are built using a polyglot of different languages, organizations need good DevOps tools to manage that integration. Continue Reading

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Recent open source flaw highlights danger of social engineering hacks

What happens when open source developers hand the keys of their project over to a new maintainer? It can expose applications to serious security threats. Continue Reading