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

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

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

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.

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.

Using var is also helpful when working with generic types or APIs that return long, complex type names. In these cases, the inferred type keeps the code clean and avoids unnecessary repetition. The ...

“Java 14 removes so much noise in code,” Subramaniam says, pointing to Records, Pattern Matching, and Switch Expressions. (Switch Expressions was first previewed in JDK 12).

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 { ...

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

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