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    <p>Another alternative is to using the FileVisitor interface introduced in JDK7 to perform the search. The link at <a href="http://docs.oracle.com/javase/tutorial/essential/io/walk.html" rel="nofollow">http://docs.oracle.com/javase/tutorial/essential/io/walk.html</a> provides details on how to use the FileVisitor interface.</p> <p>The following code block is a re implementation of the search that should be able to list files at a windows drive level in addition to normal directories. Note that the implementation uses Files.walkTree method that is provided as part of the NIO 2 File IO Operations.</p> <pre><code>public class FileSearch { static String fd; static boolean flg = true; static class FileSearchVisitor extends SimpleFileVisitor&lt;Path&gt; { private final Path pathToSearch; boolean found; FileSearchVisitor(Path pathToSearch) { found = false; this.pathToSearch = pathToSearch; } public boolean isFound() { return found; } @Override public FileVisitResult preVisitDirectory(Path dir, BasicFileAttributes attrs) throws IOException { super.preVisitDirectory(dir, attrs); if (pathToSearch.getFileName().equals(dir.getFileName())) { System.out.println("Found " + pathToSearch); found = true; } return FileVisitResult.CONTINUE; } @Override public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException { super.visitFile(file, attrs); if (pathToSearch.getFileName().equals(file.getFileName())) { System.out.println("Found " + pathToSearch); found = true; } return FileVisitResult.CONTINUE; } @Override public FileVisitResult visitFileFailed(Path file, IOException exc) { System.err.println("Visit failed for file at path : " + file); exc.printStackTrace(); return FileVisitResult.CONTINUE; } } public static void main(String arr[]) throws Exception { fd = arr[0]; String path = arr[1]; final Path searchFile = Paths.get(fd); Path filePath = Paths.get(path); FileSearchVisitor visitor = new FileSearchVisitor(searchFile); Files.walkFileTree(filePath, visitor); if (!visitor.isFound()) { System.out.print("File not found."); } } } </code></pre>
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