dirlist.java

输入输出程序演示例子

package com.dirlist;

import java.io.*;
import java.util.*;


class DirList {
  public static FilenameFilter 
    filter(final String afn){
    return new FilenameFilter() {
      String fn = afn;
      public boolean accept(File dir,String n){
        String f = new File(n).getName();
        return f.indexOf(fn) !=-1;
      }

    };
  }


	public static void main(String[] args) 
	{
		File path = new File(".");
    String [] list;
    if(args.length==0)
       list = path.list();
    else
       list = path.list(filter(args[0]));
    for(int i =0 ;i<list.length; i++)
      System.out.println(list[i]);

	}
}