static int Serial_No;
 static String Descript;
 java.io.ObjectOutputStream outFile;
 outFile = new java.io.ObjectOutputStream(new java.io.FileOutputStream("FileName.out"));
 while ....
 {
 //    outFile.writeObject( Serial_No + "|" + Descript "\n"); 
    outFile.writeUTF( Serial_No + "|" + Descript "\n");
 }
 outFile.flush();
 outFile.close();