Generics make your code more flexible and easier to read, and they help you avoid ClassCastExceptions at runtime. Get started with this introduction to using generics with the Java Collections ...

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

I want to learn how to program in Java on my Mac. What’s the best way to get started? Java programming is a great thing to learn – and your Mac is the perfect place to get started. Java is by ...

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!

Learning Java can help aspiring developers understand the foundations of programming because of the language’s wide usage and functionality.

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 example, if Java infers a type to be a String, it will not assigned that type to an int or a float later on in the code. int x = 10; x = "ten"; // Error: violation of strong typing in Java When ...

Using Java securely on Windows 11/10 In case you need to use Java and you are running Java on your system, it is necessary to follow certain best practices to safeguard your computer.

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 { ...