returning variable and saving to file

Hi :) my program downloads image links from www . I want the the image links wich are displaed to be also saved to text file on "c:\file.txt". I was looking for some examples but i couldnt do it, can someone help me and do this for me . At the end of code there's "return listaLinkow;" i want this results to be saved to text file. Thank you for help :)

Code :

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package imagelinks;
 
import javax.jws.WebService;
 
 
import java.net.*;
import java.util.ArrayList;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import javax.swing.filechooser.*;
import javax.swing.*;
import java.io.*;
import java.util.*;
 
 
@WebService(targetNamespace = "http://imglinks/")
public class ImageLinks implements IImageLinks {
 
 
    // sprawdz format URL
    private static URL sprawdzUrl(String url) {
      // tylko URLs. zaczynające się od http
      if (!url.toLowerCase().startsWith("http://"))
        return null;
      URL sprawdzonyUrl = null;
      try {
        sprawdzonyUrl = new URL(url);
      } catch (Exception e) {
        return null;
      }
      return sprawdzonyUrl;
    }
 
    // Pobierz stronę o danym URL.
    private static String downloadPage(URL pageUrl) {
      try {
        // Open connection to URL for reading.
        BufferedReader reader = new BufferedReader(new InputStreamReader(pageUrl.openStream()));
        // Read page into buffer.
        String line;
        StringBuffer pageBuffer = new StringBuffer();
        while ((line = reader.readLine()) != null) {
          pageBuffer.append(line);
        }
        return pageBuffer.toString();
      }
      catch (Exception e) {
      }
      return null;
    }
 
    private static ArrayList<String> pobierzImageLinks(String pageContents) {
 
        ArrayList links = new ArrayList();
 
   // 2    Pattern p = Pattern.compile("<\\s*img\\s[^>]*src\\s*=\\s*\"([^\\\"]*)(\")[^>]*>"       , Pattern.CASE_INSENSITIVE);
     Pattern p = Pattern.compile("<img [^>]*\\bsrc=\"([^\"]*)\"", Pattern.CASE_INSENSITIVE);
 
        Matcher m = p.matcher(pageContents);
 
        while (m.find()) {
            String link = m.group(1).trim();
            if (link.length() < 1) {
                continue;
            }
            if (link.charAt(0) != 'h') {
                continue;
            }
            links.add(link);
        }
 
        return links;
    }
 
    public ArrayList<String> getImageLinks(String strona) {
 
        System.out.println("Pobranie linków z strony: " + strona);
 
        URL url = sprawdzUrl(strona);
        String zawartosc = downloadPage(url);
        ArrayList listaLinkow = pobierzImageLinks(zawartosc);
 
 
        return listaLinkow;
 
    }

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What is the problem in your code?
Does it throw any exception?
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Hi,
I do not think there should be any problem to save the links in a file try google you can find your answer or simple append everytime the link in a file.

Core java