Using assertions can greatly increase your confidence in the correctness of your code. How to write an assertion in Java Assertions are implemented via the assert statement and java.lang ...

This post explains how to use classes in Java to build objects and organize your code. Also learn: constructors, static methods, and more!

Using generics results in more robust code and avoids ClassCastExceptions in your Java programs. This in-depth tutorial introduces you to generics and their types and methods.

With typical, standalone Java programs, developer must compile source code into bytecode with the javac utility, and then run that bytecode on the JVM. That’s not necessary with JShell. JShell reads ...

Analyze the time and space complexity of your solution. Compare your solution to others and identify areas for improvement.

More to the point, Java 8 is no longer supported by Oracle. Java 11 and Java 17 are the new LTS Java releases. The next LTS release, Java 21, is coming in 10 months. If you are using Java 8, you must ...

Which version of Java should you use in Linux? Learn how to easily switch between different versions with a tutorial from Jack Wallen.

The example code below shows how to use Java’s DirectoryStream in a method to list the files of a directory: public Set<String> listFilesUsingDirectoryStream(String dir) ...

As OS vendors get better about patching their own flaws, malware authors are increasingly turning to third-party code to get their dirty work done, and Java is high on the list. It's easy to say ...

In Java, we don’t need to write “THEN.” Instead, we use an open curly bracket to say that everything that follows is part of that “code block” and should run under the conditions we specify.