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In this post, we will learn how to call a method in Java. This is a useful “chunk” of code that you can call from anywhere else in your program, thus preventing you from needing to write out the same ...

Java interfaces are different from classes, and it’s important to know how to use their special properties in your Java programs. This tutorial introduces the difference between classes and interfaces ...

We discuss how to work with directories, sub-directories, and traverse them using Java and the DirectoryStream method. Learn more. A directory is an organizational file system structure that contains ...

Do you need to know how to sort Java objects in a collection, array, or map? Here's how to use the Comparable and Comparator interfaces and avoid ClassCastExceptions. Programmers frequently need to ...

Java 8 is into the wild and it brings along a number of new and useful features like lambda expressions and the streams API. Java 8 is out the gate. It’s big step forward for embedded applications, ...

Instance main methods and unnamed classes, coming in Java 21, will forever change how developers learn Java and bootstrap applications. Why? They provide a simple, clean and concise syntax to launch ...

There's a lot of excitement in the Java community regarding the latest long-term support JDK release. When that release debuts, Java developers will be welcomed with the familiar Hello World program ...