Surveillance_Network

A system for monitoring the activity of a network of suspected criminals and the relationships that exist between them, in Java.

General Description

Every Suspect on the SurveillanceNet network is characterized by his/her name, his/her code name, the country of origin,
the city in which he/she operates and a list of telephone numbers that he/she uses.
Each suspect is associated with one or more than the rest of the network's suspects(potential partners).
Ther is a connection between two suspects, if they have contacted by phone at least once.

The system also maintains a central Registry of all Communications, which can be either PhoneCall or SMS.
Registry also maintains a list of all suspects.

System Features

1. Communications

• Each communication is characterized by two telephone numbers involved and the date(yyyy/mm/dd) that it took place.
  A phone call is further characterized by its duration(in seconds) and an SMS by the content of the message.
• All telephone communications(Phone call/SMS) have a printInfo() method of printing all their properties.

2. Suspects

• Add a phone number to the suspect's phone list.
• Add a suspect to another suspect's potential partners list. This happens if suspect isn't already in the list of suspect's
  potential partners.
• Check if two suspects are partners or not.
• Return a list, that contains suspect's potential partners.
• Prints suspect's potential partners(names and code names), using an asterisk(*) after the code name, if they come from the same Country.

3. Registry

• Add a new suspect.
• Add a new communication. If the communication concerns Number1 and Number2 telephone numbers, then update suspects' partner lists.
• Return suspect who has the most partners.
• Return the longer(duration) phone call, between two phone numbers.
• Return suspicious messages, between two phone numbers.
• Print all suspects coming from a specific Country.