java - extract text from pdf files -

i need extract text (word word) pdf file.

import java.io.*;  import com.itextpdf.text.*;  import com.itextpdf.text.pdf.*;  import com.itextpdf.text.pdf.parser.*;  public class pdf {      private static string inputfile = "http://ontology.buffalo.edu/ontology%28pic%29.pdf" ;      private static string outputfile = "c:/new3.pdf";      public static void main(string[] args) throws documentexception,             ioexception {          document document = new document();          pdfwriter writer = pdfwriter.getinstance(document,          new fileoutputstream(outputfile));          document.open();          pdfreader reader = new pdfreader(inputfile);          int n = reader.getnumberofpages();          pdfimportedpage page;          // go through pages          (int = 1; <= n; i++) {                  page = writer.getimportedpage(reader, i);                  system.out.println(i);                   image instance = image.getinstance(page);                  document.add(instance);          }          document.close();           pdfreader readern = new pdfreader(outputfile);          pdftextextractor parse = new pdftextextractor();  (int = 1; <= n; i++)   system.out.println(parser.gettextfrompage(reader,i));   } 

when compile code, have error:

the constructor pdftextextractor undefined

how fix this?

pdftextextractor contains static methods , constructor private. itext

you can call so:
string myline = pdftextextractor.gettextfrompage(reader, pagenumber)