Learn how to use Java annotations to associate metadata with classes, methods, and other application elements in your Java programs.

Maximizing code reuse in your Java programs means writing code that is easy to read, understand, and maintain. Here are eight ways to get started.

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 ...

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.

While most Java bootcamps won’t require students to know how to code before starting class, foundational coding skills can make the first few weeks of your program easier.

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 { ...

Let me show you how. First, we’re going to install Java 17 and Java 18, so you can see how the switching is done. To install Java 17, open a terminal window and issue this command: ...

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