read file line by line

test.properties
#userInfo
#Tue Feb 21 19:58:00 IST 2012
age=26
name=usr
city=bangalore

package com.usr.io;

import java.io.BufferedReader;

import java.io.File;

import java.io.FileNotFoundException;

import java.io.FileReader;

import java.io.IOException;

public class ReadFileLineByLine {

       public static void main(String[] args) {

              try{

                     File fin=new File("test.properties");

                     FileReader fr=new FileReader(fin);

                     BufferedReader br=new BufferedReader(fr);

                     StringBuilder sb=new StringBuilder();

                     String line="";

                     while((line=br.readLine())!=null){

                           sb.append(line);

                           sb.append("\n");

                     }
                      br.close();

                     System.out.println("File contents are:");

                     System.out.println(sb);

              }

              catch(FileNotFoundException ex){

                     ex.printStackTrace();

              }

              catch(IOException ex){

                     ex.printStackTrace();

              }

       }

}

output 

File contents are:
#userInfo
#Tue Feb 21 19:58:00 IST 2012
age=26
name=usr
city=bangalore