How to retrieve a list of directories QUICKLY in Java?

Question

Suppose a very simple program that lists out all the subdirectories of a given directory. Sound simple enough? Except the only way to list all subdirectories in Java is to u

Answer 1

Well, either JNI, or, if you say your deployment is constant, just run "dir" on Windows or "ls" on *nixes, with appropriate flags to list only directories (Runtime.exec())