package cn.stat.p1.file;

import java.io.File;

public class newfilelist {

    /**

     * @param args

     */

    public static void main(String[] args) {

        // TODO Auto-generated method stub

        File f1=new File("C:\\");

        String[] name=f1.list(new filefilter(".txt"));

        for(String n : name)

        {

            System.out.println(n);

        }

    }

}

package cn.stat.p1.file;

import java.io.File;

import java.io.FilenameFilter;

public class filefilter implements FilenameFilter {

    private String sux;

    @Override

    public boolean accept(File dir, String name) {

        // TODO Auto-generated method stub

        return name.endsWith(sux);

    }

    public filefilter(String sux) {

        super();

        this.sux = sux;

    }

}