rowcount and retrive blogs

    public int getRowCount(String tableName){
        try{
            Statement stmt=con.createStatement(ResultSet.TYPE_SCROLL_INSENSITIVE
                    , ResultSet.CONCUR_READ_ONLY);
            ResultSet res=stmt.executeQuery("select * from "+tableName);
            res.last();
            int i=res.getRow();
            res.close();
            return i;
        }catch(SQLException e){return 0;}
    }
    public List retriveBlogs(String tableName,int page){
        int rowCount=getRowCount(tableName);
        int pagescount=rowCount/10;
        int pointer;
        List table=new LinkedList();
        if(rowCount%10!=0){
            pagescount++;
        }
        if(page<=pagescount){
            pointer=((page-1)*10)+1;
            try{
                Statement stmt=con.createStatement(ResultSet.TYPE_SCROLL_SENSITIVE
                        ,ResultSet.CONCUR_READ_ONLY);
                ResultSet res=stmt.executeQuery("select * from "+tableName+" order by id");
                res.absolute(pointer);
                for(int i=0;i<10;i++){
                    List row=new LinkedList();
                    //Enter Number of Coloums to retrive from database
                    row.add(res.getObject(1));
                    row.add(res.getObject(2));
                    row.add(res.getObject(3));
                    row.add(res.getObject(4));
                    row.add(res.getObject(5));
                    table.add(row);
                    res.next();
                    if(res.isAfterLast()){
                        break;
                    }
                }
                res.close();
                return table;
            }catch(SQLException e){return null;}

        }else{
            return null;
        }
    }