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.

Some inventions operate in a recursive or iterative manner. This could be so of a machine that repeats actions or functions on a single article or to produce multiple articles, or operates on data.

At a job interview on Friday, I had to write code, and one of the things that came up when we were talking about implementation of a concept was recursion. The director of the group said to me "Don't ...