Freelance Marketplace System

Console-Based C++ OOP Project

---

How to Run

VS Code / Terminal (g++)

g++ -std=c++11 -o marketplace main.cpp
./marketplace          # Linux/Mac
marketplace.exe        # Windows

Dev C++

1. Open Dev C++
2. File → New → Project → Console Application → C++
3. Add all .h and main.cpp files to the project
4. Build & Run (F11)

Code::Blocks

1. File → New → Project → Console Application → C++
2. Right-click project → Add files → add all .h and main.cpp
3. Build and Run (F9)

---

IMPORTANT: Data Folder

The data/ folder MUST exist in the same directory as the executable. All 6 text files must exist (even if empty):

• data/users.txt
• data/freelancers.txt
• data/projects.txt
• data/bids.txt
• data/reviews.txt
• data/payments.txt

---

Sample Login Credentials (pre-loaded)

Role	Username	Password
Admin	admin	admin123
Client	john_client	client123
Freelancer	sara_dev	sara123
Freelancer	ahmed_coder	ahmed123

---

OOP Concepts Location

Concept	File	Line/Section
Abstraction	User.h	pure virtual function
Inheritance	Freelancer.h	class Freelancer : User
Polymorphism	main.cpp	User* -> displayDashboard
Encapsulation	Project.h	private data, getters
Function Overload	FileManager.h	saveData() x4
File Handling	FileManager.h	ifstream/ofstream
Constructors	All .h files	default + parameterized
Destructors	User.h	virtual ~User()
Access Specifiers	User.h	private/protected/public