import java.io.*;

public String loadFileToString(File file){
      try{
      BufferedReader br=new BufferedReader(new FileReader(file));
      StringBuffer sb=new StringBuffer();
      String line=br.readLine();
      while(line!=null){
              sb.append(line);
              line=br.readLine();
      }
      br.close();
      return sb.toString();
      }catch(IOException e){
              e.printStackTrace();
              return null;
      }
}