java获取指定目录指定类型文件

import java.io.File;  import java.io.FilenameFilter; public class MyFile{    public static void main(String[] args) throws Exception{        String path="C:\\images";        //String path="C:/images";        String[] jpgFile=(new File(path)).list(new MyExtFilter("jpg"));        System.out.println(jpgFile);        for(String filename:jpgFile){            System.out.println(filename);        }    }    static class MyExtFilter implements FilenameFilter{        private String ext;        MyExtFilter(String ext){            this.ext=ext;        }        public boolean accept(File dir, String name){            return name.endsWith(ext);        }    }}