Static code analysis tools like Checkstyle and SonarQube. If you've ever wanted to experiment with a new IDE, it's worth dedicating a bit of time to download and install Visual Studio Code for Java.

With the Extension Pack for Java, VS Code makes a highly capable Java IDE and formidable competitor to Eclipse, NetBeans, and IntelliJ IDEA.

VS Code for Java will still be possible to compile and run Java applications from Java 1.5 to 14," said Yaojin Yang, senior program manager, Developer Division at Microsoft, in a June 28 blog post.