java文件io过滤器

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;
    }

}