import java.io.*; 
 
  class FileReadTest { 
 
     public static void main (String[] args) { 
	FileReadTest f = new FileReadTest();
        f.readMyFile(); 
     } 
 
     @SuppressWarnings("deprecation")
	void readMyFile() { 
 
        DataInputStream dis = null; 
        String record = null; 
        int recCount = 0; 
 
        try { 
 
           File f = new File("mydata.txt"); 
           FileInputStream fis = new FileInputStream(f); 
           BufferedInputStream bis = new BufferedInputStream(fis); 
           dis = new DataInputStream(bis);  
 
           while ( (record=dis.readLine()) != null ) { 
              recCount++; 
              System.out.println(recCount + ": " + record); 
           } 
 
        } catch (IOException e) { 
           // catch io errors from FileInputStream or readLine() 
           System.out.println("IOException error!" + e.getMessage()); 
 
        } finally { 
           // if the file opened okay, make sure we close it 
           if (dis != null) { 
	      try {
                 dis.close(); 
	      } catch (IOException ioe) {
	      }
           } 
        } 
     } 
}