FilenameFilter 类的使用方法，,import java.

FilenameFilter 类的使用方法，,import java.

import java.io.*;/** * FNFilter - Ls directory lister modified to use FilenameFilter * @author Ian Darwin * @version $Id: FNFilter.java,v 1.3 2004/03/11 03:33:35 ian Exp $ */public class FNFilter {  public static void main(String argh_my_aching_fingers[]) {    // Generate the selective list, with a one-use File object.    String[] dir = new java.io.File(".").list(new OnlyJava());    java.util.Arrays.sort(dir);    // Sort it (Data Structuring chapter))    for (int i=0; i<dir.length; i++)      System.out.println(dir[i]);  // Print the list  }}/** This class implements the FilenameFilter interface. * The Accept method returns true for .java, .class and .jar files. */class OnlyJava implements FilenameFilter {  public boolean accept(File dir, String s) {    if (s.endsWith(".java") || s.endsWith(".class") || s.endsWith(".jar"))      return true;    // others: projects, ... ?    return false;  }}//该片段来自于http://byrx.net