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 ...

I need to sort a String array, in alphabetical order. Ok, I'm a newbie too, so don't think my reply is correct... Looks like you're comparing two different types, String and Int. Apparently, you can't ...

How to recognize and use array and list data structures in your Java programs. Which algorithms work best with different types of array and list data structures. Why some algorithms will work better ...