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

This post explains how to use loops in Java. Learn for loops, while loops, do while, break, and continue. All without going loopy!

Learn how to use synchronous and asynchronous callbacks in Java—including callbacks with lambda expressions, CompletableFuture, and more.

Use Java assertions to test your assumptions about program correctness and check them in your code.

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

We discuss how to work with directories, sub-directories, and traverse them using Java and the DirectoryStream method. Learn more.

Java, the programming language used by millions of developers, is now even better. The launch of Java 8 on March 25 represents the most significant update to the Java programming model ever, and ...

Some developers try and change the Java compiler setting within Eclipse from Java 1.5 to Java 1.8, but that only works temporarily. As soon as a new Maven build takes place, the JDK version reverts ...

In Java, printf is recommended as a replacement for calls to the print or println methods. How do you format output with Java printf? To format text based output with the Java printf method, follow ...