import java.io.File;
import java.io.*;
import java.io.BufferedReader;
import java.io.FileInputStream;
import java.io.InputStreamReader;
 
public class ListFiles 
{ 
 public static String path1;
 public static String path2;
 public static String files;
 public static String fileName;
 
 public static void main(String[] args) throws Exception
{
   path1 = "/dir1/"; 
   path2 = "/dir2/";
 
  File folder = new File(path1);
  File[] listOfFiles = folder.listFiles(); 
  for (int i = 0; i < listOfFiles.length; i++) 
  {
 
   if (listOfFiles[i].isFile()) 
   {
   files = listOfFiles[i].getName();
       if (files.endsWith(".txt") || files.endsWith(".TXT"))
       {
 
          System.out.println(files);
 
          try
          {
          FileInputStream in = new FileInputStream(path1 + files);
          BufferedReader br = new BufferedReader(new InputStreamReader(in));
          String strLine;
 
     Writer output;
     File file1 = new File(path2 + files);
     String newline = System.getProperty("line.separator"); 
     output = new BufferedWriter(new FileWriter(file1));
 
          while((strLine = br.readLine())!= null)
          {
           //Write contents of text file
           output.write(strLine);
           output.write(newline);
          //System.out.println(strLine);
          }
 
           output.close();
 
          }catch(Exception e){
           System.out.println(e);
          }
 
        }
       }
  }
}
}