File writer.

import java.util.Scanner;
import java.io.*;

class naveen
{
InputStreamReader isr;
BufferedReader br;
File file;
String FileName;
FileWriter fw;
Scanner scan;
public void myfile(String fname)throws Exception
{
FileName = fname;
file = new File(FileName);
fw = new FileWriter(file,true);
scan = new Scanner(file);
isr = new InputStreamReader(System.in);
br = new BufferedReader(isr);
}
public void write(String name,String num)throws Exception

{
fw.write(name+"\t"+num+"\n");
}
public void cf()throws Exception
{
fw.close();
}
}

class iofile
{
public static void main(String args[])throws Exception
{
naveen obj=new naveen();
obj.myfile("Contacts.xls");
obj.write("Naveen","89605");
obj.write("rajput","8960");
obj.cf();
}
}