How to list a 2 million files directory in java without having an “out of memory” exception

Question

I have to deal with a directory of about 2 million xml\'s to be processed.

I\'ve already solved the processing distributing the work between machines and threads us

Answer 1

Try this, it works to me, but I hadn't so many documents...

File dir = new File("directory");
String[] children = dir.list();
if (children == null) {
   //Either dir does not exist or is not a  directory
  System.out.print("Directory doesn't  exist\n");
}
else {
  for (int i=0; i