Community driven content discussing all aspects of software development from DevOps to design patterns. To find the size or length of a Java array, follow these four steps Declare a variable of type ...

Covariance and contravariance might seem esoteric, but you'll need these concepts more than ever as the Java language evolves. Get started with type dependency in array types, generic types, and ...

An ArrayList behaves nearly identical to the typical PowerShell array but is not a fixed size. For example, to create our color picker array as an ArrayList, we just need to cast the array to a System ...

We discuss how to work with directories, sub-directories, and traverse them using Java and the DirectoryStream method. Learn more.