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. Programmers frequently need to ...

When you’re trying to learn how an algorithm works, it’s not always easy to visualize what’s going on. Well, except for maybe binary sort, thanks to the phone book. Professor [thatguyer] is a computer ...

Q. Is it possible to sort a column in Excel using formulas rather than the Data tab’s Sort tool, so the sort process is performed automatically as I update my data? A. Excel has announced a new ...