public void processFile(String filename){
 String line;
 BufferedReader br; 
 try { 
  br = new BufferedReader(new FileReader(filename)); 
  line = br.readLine(); 
 } catch (FileNotFoundException e) { 
  // deal with file not found exception 
 } catch (IOException e) { 
  // deal with other io exceptions 
 }  
 // ...
}