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

Java’s standard (pre-defined) annotation types. You’ll learn how to use each of these elements in your Java annotations. Using @interface to declare annotation types ...

Quickly learn how to use the Java ternary operator and see how this simple programming construct can help make your conditional logic, if statements and return statements clearer and more concise.

For loops in Java are extremely powerful and lend themselves to many different coding applications. In this post, we will explain how to use them, and look at more advanced concepts such as labelling.

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

In fact, you don’t even have to code your Java into a file. JShell can execute lines of Java code directly on the command line. Java without a main method Historically, Java devs have had to code a ...

Java is one of the most common programming languages in the tech space. Companies across the world use Java for back-end web development and mobile applications.

Java is one of the most common programming languages in the tech space. Companies across the world use Java for back-end web development and mobile applications.

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) throws IOException { ...