[java newbie] cast reading a file

[mickey]

Hello,
simple question. I'd like read a file char by char but I have to do some operation on this. I solve with a cast to char but I suppose it's slow. Which alternative does java language offer?
Thanks,

FileInputStream fis;
		BufferedInputStream bis = null;		
		  try {
		      fis = new FileInputStream( fileName );
		      bis = new BufferedInputStream(fis);
		      int i;
		      while ((i = bis.read()) != -1) {
		    	if ( (char)i  == '<' )
		    		System.out.print( (char)i );
		      }
		      fis.close();
		    } catch (Exception e) {
		      System.out.print("Exception: " + e);
		    }

FileInputStream fis;
		BufferedInputStream bis = null;		
		  try {
		      fis = new FileInputStream( fileName );
		      bis = new BufferedInputStream(fis);
		      int i;
		      while ((i = bis.read()) != -1) {
		    	if ( (char)i  == '<' )
		    		System.out.print( (char)i );
		      }
		      fis.close();
		    } catch (Exception e) {
		      System.out.print("Exception: " + e);
		    }

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