Class diagram for employee payroll system

About this class diagram for the employee payroll system

This class diagram shows the design of an employee payroll system. It explains how its parts work together to manage employee records, calculate salaries, and handle leave requests. At the core of the system is the admin class. It manages the employee management and payroll services.

The admin class has three attributes: admin ID, name, and privileges. They let admins add and modify employees, process payroll, and supervise departments. For instance, the methods manage employee(), manage payroll(), and manage department() let this user control the system in other ways. This improves efficiency.

Another core class is the employee class; this class means the working staff for whom the salary management system is designed. Key attributes of this class include employee ID, name, age, position, and salary. Employees can access the system in three ways: view pay slips (), update their profile(), and apply for leave().

The payroll class handles employee pay and their work. It contains attributes such as payroll ID, employee ID, basic salary, allowances, deductions, and net salary. The payroll system shows the employee's net salary. It adds all allowances and deducts necessary taxes. Use calculate salary(), generate pay slip(), and view salary details() to do this.

The leave class is vital for handling employee leave requests. The class has attributes: leave ID, employee ID, start date, end date, and status. They record information about each leave request. Employees can request leave using request leave(). The admin can approve or reject it. This hierarchy helps to reduce absenteeism and maintain leave records.

The department class divides employees by department. It has attributes: department ID, name, and manager ID. It also has methods like add employee(), remove employee(), and get department details(). They let the admin maintain the company's department structure. Some employees may be found in one department. All those employees will belong to that department.

The tax class oversees the aspects of the salary of an employee which are concerned with taxes. It consists of values like tax ID, employee ID, tax amount, and tax rate. This class ensures that tax is imposed correctly and per the law. The payroll and tax class link requires the payroll system to compute taxes. This must happen before finalizing each employee's net salary.