import org.apache.commons.io.FileUtils;
import java.io.File;
import java.util.Collection;
import java.util.Iterator;
public class Main {
public static void main(String[] args) throws Exception {
File root = new File("c:\\");
String[] extensions = { "xml", "java", "dat" };
boolean recursive = true;
Collection files = FileUtils.listFiles(root, extensions, recursive);
for (Iterator iterator = files.iterator(); iterator.hasNext();) {
File file = (File) iterator.next();
System.out.println("File = " + file.getAbsolutePath());
}
}
}