Reading files FASTLY

Question

i have the code for reading n number of files which contains n number of lines.i want to read those files fastly.. and search a particular string from those files and i have to produce output....is there any other logic to read fasly..
i have pasted the following code below.
import java.io.*;
import java.lang.*;
public class file {
public static void main(String[] arg)throws IOException{
String filename = "E:\\SE\\textfiles";
File f1=new File(filename);
File[] f2=f1.listFiles();
for(int i=0;i<f2.length;i++)
FileInputStream is=new FileInputStream(f2);
if (is != null) {
               InputStreamReader isr = new InputStreamReader(is);
BufferedReader reader = new BufferedReader(isr);
               String text = "";
while ((text = reader.readLine()) != null) {
          if(text.substring(0,4).equals("ATOM")){
System.out.println(text+"\n");
isr.close();

Answer 1

sesaravanan7 wrote:
i have planned to execute the whole process on client side itself.but i dont know how to do it....i am searching for that.This whole task seem to be ideal for my ReaderToWriterKMP class given in reply #12 of http://forum.java.sun.com/thread.jspa?threadID=769325&messageID=4385745 which will work as long as the client is a Java Applet or a WebStart application. Of course the OP will need to sign the jars.