Community driven content discussing all aspects of software development from DevOps to design patterns. The Java Scanner class provides methods that take String input and convert that String into any ...

This post shows readers how to create an array in Java. Including: Array Lists, multidimensional arrays, maps, and more.

This post explains how to use variables in Java. Learn the primitive types (and what that means) and just why variables are so important for any coding!

Do you need to know how to sort Java objects in a collection, array, or map? Here's how to use the Comparable and Comparator interfaces and avoid ClassCastExceptions.