reading and writing to a file in java

import java.io.*;
class fr
{
 public static void main(String args[])
  {
  try{
  // Create file
  FileWriter fstream = new FileWriter("h:\\readx.txt");
  BufferedWriter out = new BufferedWriter(fstream);
System.out.println("enter the data to insert");
String sss="";
BufferedReader b=new BufferedReader(new InputStreamReader(System.in));
String s=b.readLine();
  out.write(s);
  //Close the output stream
FileReader fread=new FileReader("H:\\readx.txt");
BufferedReader br=new BufferedReader(fread);
String ss="";
int i;
String sx="";
do
{
i=br.read();
if(i!=-1)
//ss=br.readLine().toString();
System.out.println("data"+br.readLine().toString());
}
while(i!=-1);
//System.out.println("inputed String="+sx);
br.close();
fread.close();
  out.close();
//System.out.println("data in the file is:"+ss.leng);
  }catch (Exception e){//Catch exception if any
  System.err.println("Error: " + e.getMessage());
  }
  }
}