Hi,<BR><BR>I'm currently coding a function in Java that will find the number of possible combinations for a string. I've run into a problem in to a problem with regards to both speed and memory usage.

This Q&A is part of a weekly series of posts highlighting common questions encountered by technophiles and answered by users at Stack Exchange, a free, community-powered network of 100+ Q&A sites.

Community driven content discussing all aspects of software development from DevOps to design patterns. Recursion in Java gets a bad rap. Experienced developers shun the practice over fears that an ...

Listing 1. Iteration over a sorted binary tree using recursive descent in an enumeration method. public interface KeyValueTask { void apply(String key, String value ...