The Mobile Recharge System is a project that was developed in the context of the subject Distributed Systems at the Department of Informatics and Telematics of Harokopio University. It is a full system, that can be used by a mobile telecomunications company to manage its customers and provide service to them (mostly recharging their mobile phone either by visiting a store or online). The students who developed this system are : Panagiotis Konstantinos Gemos and Nikolaos Katsos.

1. KaGemCo
MOBILE RECHARGE
SYSTEM

2. Collaborators
Nikolaos Katsos
Panagiotis Konstantinos Gemos

3. Intranet System

4. Conceptual System Model

5. Use Case Diagram

7. Main Activity Diagram

9. Sequence Diagrams
1. Login
2. Salesman-Manager Interaction

12. Database ER Diagrams
1. Mobile Recharge System
2. User Registry
3. System Logs

16. Class Diagram

18. Internet System

19. Conceptual System Model

20. Use Case Diagram

22. Activity Diagrams
1. Recharge
2. Donate
3. Subscribe to Donations Newsletter

26. Sequence Diagrams
1. Internet Login
2. Acquire Phone Number

29. Database ER Diagrams
1. Internet System
2. Internet User Registry

32. Class Diagram

34. Implementation

35. Tools
1. Backend:
◦ Java EE (Servlets)
2. Frontend
◦ HTML5,
◦ CSS3
◦ Javascript (AJAX)
3. Database
◦ MySQL
4. Developer Tools
◦ Netbeans 8
◦ phpMyAdmin
◦ MySQL Workbench 6.3

36. Implementation Concept Diagram

38. Wait…

39. Let’s see the system in action !