Java Programs[Important]

1.   WRITE A JAVA PROGRAM that reads a file and displays the file on the screen, with a line number before each line.
2.  
3. Program :
4.  
5. import   java.io.*;
6.  class LineNum
7. {
8.  public static void main(String args[])
9. { 
10. String thisline;
11.  for(int i=0;i<args.length;i++)
12.  {
13.  try{ LineNumberReader br=new LineNumberReader(new FileReader(args[i]));
14.  while((thisline=br.readLine())!=null)
15.  { 
16. System.out.println(br.getLineNumber()+"."+thisline); 
17. } 
18. }
19. catch(IOException e)
20. {
21.  System.out.println("error:"+e);
22. 
    
23. }
24.  }
25.  }
26.  }