private void format(String fileName, Set<Integer> set, HashMap< Integer, LinkedList<Integer> > inlinkMap, 
            HashMap<Integer,LinkedList<Integer> > outlinkMap)
    {
        System.out.println("Loading...");
        FileReader fr = null;
        BufferedReader br = null;
        LinkedList<Integer> inlinkList = null;
        LinkedList<Integer> outlinkList = null;        
        String strLine = null;
        int seperatorIndex, followerId, followeeId;
        
        try {
            fr = new FileReader(fileName);
            br = new BufferedReader(fr);
        } catch (FileNotFoundException e) {
            e.printStackTrace();
        }
        while(true)
        {
            try
            {
                strLine = br.readLine();
                seperatorIndex = strLine.indexOf(',');
                followerId = Integer.parseInt(strLine.substring(0, seperatorIndex));
                followeeId = Integer.parseInt(strLine.substring(seperatorIndex+1,strLine.length()));
                
                if(!set.contains(followerId))
                {
                    set.add(followerId);
                }
                if(!set.contains(followeeId))
                {
                    set.add(followeeId);
                }
                
                if(!inlinkMap.keySet().contains(followeeId))
                {
                    inlinkList = new LinkedList<Integer>();
                    inlinkList.add(followerId);
                    inlinkMap.put(followeeId, inlinkList);                    
                }
                else
                {
                    inlinkList = inlinkMap.get(followeeId);
                    inlinkList.add(followerId);
                }
                
                if(!outlinkMap.keySet().contains(followerId))
                {
                    outlinkList = new LinkedList<Integer>();
                    outlinkList.add(followeeId);
                    outlinkMap.put(followerId, outlinkList);
                }
                else
                {
                    outlinkList = outlinkMap.get(followerId);
                    outlinkList.add(followeeId);
                }
                
            } catch(Exception e)
            {
                System.out.println("EOF");
                try {
                    br.close();
                    fr.close();
                } catch (IOException e1) {
                    // TODO Auto-generated catch block
                    e1.printStackTrace();
                }
                break;
            }
        }
        try {
            br.close();
            fr.close();
        } catch (IOException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
        System.out.println("Loading completed!");

    }