文件过滤

package cn.meiwenhui.test;import java.io.File;import java.io.FilenameFilter;import java.util.regex.Pattern;public class FileNameFilter {public static void main(String[] args) {File file = new File("C://WINDOWS//system32");String[] subFile = file.list();System.out.println("过滤之前的列表为");for (int i = 0; i < subFile.length; i++) {System.out.println(subFile[i]);}//String[] subFile2 = file.list(new FilenameFilter() {public boolean accept(File dir, String name) {boolean flag = Pattern.matches("[a-z]{6}//.exe*", name);return flag;}});System.out.println("过滤之后的列表为");for (int i = 0; i < subFile2.length; i++) {System.out.println(subFile2[i]);}}}