public String addBuddy(String buddyName, HashMap userList)
{       
        if(buddyList.contains(buddyName))
            statusMessage = "Buddy already in list";
        else if (!userList.containsKey(buddyName))
            statusMessage = "No such user on server";            
        else
            buddyList.add(buddyName);
            statusMessage = "Buddy added";
        return (statusMessage);
    }

           if (option == 3)
           {
               System.out.println("enter user name: ");
               String buddyName = a.nextLine();
               server.userList.get(user).addBuddy(buddyName, server.userList);
           }

System.out.println(addBuddy(buddyName, server.userList));