Java tutorial
import java.io.File; import java.io.FileFilter; public class Main { public static void main(String[] args) { String dirPath = "C:\\"; File dir = new File(dirPath); // Create a file filter to exclude any .SYS file FileFilter filter = file -> { if (file.isFile()) { String fileName = file.getName().toLowerCase(); if (fileName.endsWith(".sys")) { return false; } } return true; }; File[] list = dir.listFiles(filter); for (File f : list) { if (f.isFile()) { System.out.println(f.getPath() + " (File)"); } else if (f.isDirectory()) { System.out.println(f.getPath() + " (Directory)"); } } } }