Read until eof

Question

Hi I want to read from a file certain records with certain length, each record is 100 bytes far from the other: My problems is shown within the code:
public void read(String f){
          try{
               BufferedReader br =
                    new BufferedReader( new FileReader(f));
               StringBuffer sbuf = new StringBuffer();
               String line;
               String s="";
               while( (line = br.readLine()) != null )
                  sbuf.append( line + '\n' );
               br.close();
               char [] myFileAsChars = sbuf.toString().toCharArray();
               char ch;
// = myFileAsChars[0];
               while(?????){//HERE: how to say read util the end of the file-- text file!
                    int k=16+4;
                    int comp=100;
                    for(; k<=comp; k++){
                    ch = myFileAsChars[k];
                    if(ch==00){
                         break;}
                    System.out.print(ch);
                    s += myFileAsChars[k];}
               k=(16+4)+100;//HERE: the updates that I want in my loop do not work
               comp=comp+100;}
          }catch(IOException e){}
          

Answer 1

You have already closed the reader
br.close(); // you closed it here
while(?????){ // this loop will be skipped