遍历相同类型的文件

import java.io.BufferedReader;import java.io.File;import java.io.FilenameFilter;import java.io.InputStream;import java.io.InputStreamReader;import java.net.URL;import java.util.ArrayList;import java.util.List;public class Test {// 获取给定目录下的同一类型的文件public static String[] listFile(String path) {File file = new File(path);String[] files = null;if (file.exists()) {files = file.list(new FilenameFilter() {public boolean accept(File dir, String name) {// TODO Auto-generated method stubif (name.endsWith(".java") && new File(dir.getPath() + "//" + name).isFile()) {return true;} else {return false;}}});}return files;}private static List<String> list = new ArrayList<String>();// 获取给定的目录或者它的子目录下的同一类型的文件public static List<String> getFiles(String path) {File file = new File(path);if (file.exists()) {if (file.isFile()) {if (file.getName().endsWith(".java")) {list.add(file.getAbsolutePath());}} else {File[] files = file.listFiles();for (int i = 0; i < files.length; i++) {if (files[i].isFile()) {if (files[i].getName().endsWith(".java")) {list.add(files[i].getAbsolutePath());}} else {getFiles(files[i].getAbsolutePath());}}}}return list;}// 根据url获取HTMLpublic static void getHTML(String path) throws Exception {URL url = new URL(path);InputStream in = url.openStream();BufferedReader reader = new BufferedReader(new InputStreamReader(in));while (reader.ready()) {System.out.println(reader.readLine());}}public static void main(String[] args) throws Exception {// listFile("D:/test/Test.java");getFiles("D:/test");System.out.println(list);String[] files = listFile("D://test");for (int i = 0; i < files.length; i++) {System.out.println(files[i]);}System.out.println();getHTML("http://www.roseindia.net/servlets/HistoryOfWebApplication.shtml");}}