import java.io.*;

class WriteToFileByLine
  {
     public static void main(String args[])
      {
        String pLine = "Previous Line text";
        String nLine = "New Line text";
        WriteToFileByLine wtfbl = new WriteToFileByLine();
        wtfbl.writeToFileByLine(pLine);
        wtfbl.writeToFileByLine(nLine); 
     }
     public void writeToFileByLine(String str)
      {
        try
         {
             File file = new File("fileByLine.txt");
             FileWriter fw = new FileWriter(file, true);
             BufferedWriter bw = new BufferedWriter(fw);
             bw.write(str);
             bw.newLine();
             bw.close();
        }
         catch (Exception e)
           {
	System.out.println(e);
           }
     }
}