It’s easy to remove duplicates from a list in Java. There are a variety of functions in Java that simplify that process. Finding duplicates in a Java list? That’s actually a bit more complicated, but ...

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

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

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.