[java] waarom is mijn prog zo langzaam?

import java.net.Socket;
import java.io.IOException;
import java.io.*;

public class portscan {


    public static void main(String[] args) throws IOException {
       int i = 0;
       String remote = "localhost";
       FileWriter fstream = new FileWriter("hello.txt");
       BufferedWriter out = new BufferedWriter(fstream);
       
       
       
       
      
       
       do {
    	   try {
    	   Socket s = new Socket(remote,i);
    	   out.write("Server is listening on port " + i+ " of " + remote );
    	   out.newLine();
    	   s.close();

       } catch (IOException ex) {
    	   out.write("Server is not listening on port " + i+ " of " + remote);
    	   out.newLine();
    }
       i++;
       } while(i <= 55000);
       out.close();
       
}}

import java.net.Socket;
import java.io.IOException;
import java.io.*;
 
public class portscan {
 
 
    public static void main(String[] args) throws IOException {
       int i = 0;
       String remote = "localhost";
       FileWriter fstream = new FileWriter("hello.txt");
       BufferedWriter out = new BufferedWriter(fstream);
 
 
 
 
 
 
       do {
    	   try {
    	   Socket s = new Socket(remote,i);
    	   out.write("Server is listening on port " + i+ " of " + remote );
    	   out.newLine();
    	   s.close();
 
       } catch (IOException ex) {
    	   out.write("Server is not listening on port " + i+ " of " + remote);
    	   out.newLine();
    }
       i++;
       } while(i <= 55000);
       out.close();
 
}}