import java.io.*;

public class Html2TextWithRegExp {
   private Html2TextWithRegExp() {}
   
   public static void main (String[] args) throws Exception{
     StringBuilder sb = new StringBuilder();
     BufferedReader br = new BufferedReader(new FileReader("java-new.html"));
     String line;
     while ( (line=br.readLine()) != null) {
       sb.append(line);
       // or
       //  sb.append(line).append(System.getProperty("line.separator"));
     }
     String nohtml = sb.toString().replaceAll("\\<.*?>","");
     System.out.println(nohtml);  
   }
}

import java.io.IOException;
import java.io.FileReader;
import java.io.Reader;
import java.util.List;
import java.util.ArrayList;

import javax.swing.text.html.parser.ParserDelegator;
import javax.swing.text.html.HTMLEditorKit.ParserCallback;
import javax.swing.text.html.HTML.Tag;
import javax.swing.text.MutableAttributeSet;

public class HTMLUtils {
  private HTMLUtils() {}
  
  public static List<String> extractText(Reader reader) throws IOException {
    final ArrayList<String> list = new ArrayList<String>();
    
    ParserDelegator parserDelegator = new ParserDelegator();
    ParserCallback parserCallback = new ParserCallback() {
      public void handleText(final char[] data, final int pos) { 
        list.add(new String(data));
      }
      public void handleStartTag(Tag tag, MutableAttributeSet attribute, int pos) { }
      public void handleEndTag(Tag t, final int pos) {  }
      public void handleSimpleTag(Tag t, MutableAttributeSet a, final int pos) { }
      public void handleComment(final char[] data, final int pos) { }
      public void handleError(final java.lang.String errMsg, final int pos) { }
    };
    parserDelegator.parse(reader, parserCallback, true);
    return list;
  }
  
  public final static void main(String[] args) throws Exception{
    FileReader reader = new FileReader("java-new.html");
    List<String> lines = HTMLUtils.extractText(reader);
    for (String line : lines) {
      System.out.println(line);
    }
  }
}