Practical No-01 Implementation of Employee Attendance and Salary Calculator

Practical No-01 Implementation of Employee Attendance and Salary Calculator

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  Class: S.Y.B. Tech.Semester: III Subject: Object Oriented Programming Laboratory (PCIT212) Practical No.: 01 CO1: Develop C++ programs using fundamental programming constructs and object-oriented concepts for solving practical problems.. (BTL-Apply) --------------------------------------------------------------------------------------------------------------------------------------- 1. Aim To implement an Employee Attendance and Salary Calculator for multiple employees using data types, operators, control structures, arrays, functions, reference variables, inline functions, scope resolution operator, and ENUM data type in C++. 2. Course Outcome Mapping CO1: Develop C++ programs using fundamental programming constructs and object-oriented concepts for solving practical problems. 3. Learning Objectives After completing this experiment, students will be able to: 1. Understand the role of fundamental C++ programming constructs in software development. 2. Apply data types, operators, arrays, and control structures to solve real-world problems. 3. Develop modular programs using functions. 4. Utilize reference variables and inline functions effectively. 5. Apply ENUM data type and scope resolution operator in application development. 6. Design a simple payroll application based on industry requirements. 4. Learning Outcomes Upon successful completion of this experiment, students will be able to: 1. Implement C++ programs using basic programming constructs. 2. Develop a simple Human Resource Management System module. 3. Perform salary calculations using programming logic. Sanjivani Rural Education Society’s Sanjivani College of Engineering, Kopargaon-423603 (An Autonomous Institute Affiliated to Savitribai Phule Pune University, Pune) NAAC ‘A’ Grade Accredited, ISO 2001:2018 Certified Department of Information Technology NBA Accredited-UG Programme
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  4. Analyze anddebug C++ programs. 5. Interpret and validate generated outputs. 5. Software and Hardware Requirements 1. Software Requirements  Operating System: Windows/Linux  Compiler: GCC, MinGW, Code::Blocks, Visual Studio Code  Programming Language: C++ 2. Hardware Requirements  Intel Core i3 Processor or higher  4 GB RAM minimum  10 GB free disk space 6. Real-Time Industry Scenario Human Resource Management System (HRMS) Human Resource Management Systems are software applications used by organizations to manage employee information, attendance records, payroll processing, leave management, and performance evaluation. Large organizations such as Infosys, TCS, Wipro, Accenture, Cognizant, and Capgemini maintain attendance records for thousands of employees. At the end of every month, payroll software automatically calculates employee salaries based on attendance, overtime, incentives, and deductions. 1. Payroll Processing Workflow 1. Employee attendance is recorded. 2. Attendance records are verified. 3. Basic salary is calculated. 4. Overtime compensation is added. 5. Leave deductions are applied. 6. Bonus is calculated. 7. Final salary slip is generated.
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  The Employee Attendanceand Salary Calculator developed in this experiment simulates a simplified payroll module of an HRMS. 7. Theory 7.1 Data types Definition: A data type specifies the type of data that can be stored in a variable. It determines the memory allocation and operations that can be performed on the data.  Syntax: datatype variable_name;  Example: In an HRMS: Information Data Type Employee ID int Employee Name string Attendance Days int Salary float Grade char  Example: int empId = 101;  string empName = "Arun"; float salary = 45000.50;  Industry Usage: Payroll software stores employee records using appropriate data types to ensure efficient processing and storage.  Advantages:  Efficient memory utilization  Better data management  Improved program reliability
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  7.2 Operators Definition: Operators arespecial symbols used to perform mathematical, logical, and relational operations on variables and values.  Syntax: operand operator operand;  Example: Salary Calculation: salary = attendanceDays * perDaySalary;  Bonus Calculation: bonus = salary * 0.10;  Industry Usage: Used extensively in payroll systems, banking applications, inventory management systems, and billing software.  Advantages:  Simplifies calculations  Reduces coding complexity  Improves readability 7.3 Control Structures Definition: Control structures determine the flow of program execution.  Types: 1. Selection Statements 2. Iteration Statements 3. Jump Statements  Syntax: If Statement: if(condition) { statements; }
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   For Loop: for(initialization;condition;increment) { statements; } Example: Employee bonus eligibility: if(attendanceDays >= 26) { bonus = salary * 0.10; }  Industry Usage: Used in decision-making processes such as:  Loan approval  Salary processing  Insurance claim validation  Student result processing 7.4 Arrays Definition: An array is a collection of similar data elements stored at contiguous memory locations.  Syntax: datatype array_name[size];  Example: Attendance records for employees: int attendance[50];  Industry Usage: Arrays are used to store:  Employee attendance  Student marks  Inventory quantities  Sales records
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   Advantages:  Efficientstorage  Easy access to multiple records  Reduced coding effort 7.5 Functions Definition: A function is a reusable block of code that performs a specific task.  Syntax: returnType functionName(parameters) { statements; }  Example: Payroll software commonly contains: calculateSalary(); calculateBonus(); generateReport();  Industry Usage: Functions improve modularity, maintainability, and code reusability.  Advantages:  Reduces code duplication  Simplifies debugging  Improves readability 7.6 Reference Variables Definition: A reference variable acts as an alias for another variable.  Syntax: datatype &reference_name = variable_name;
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   Example: float salary= 25000; float &netSalary = salary; Industry Usage: Used for efficient parameter passing and memory optimization. 7.7 Inline Functions Definition: An inline function is expanded at the point where it is called, reducing function call overhead.  Syntax: inline returnType functionName(parameters) { statements; }  Example: inline float calculateBonus(float salary) { return salary * 0.10; }  Industry Usage: Used in performance-sensitive applications and embedded systems. 7.8 Scope Resolution Operator Definition: The scope resolution operator (::) is used to access global variables and class members.  Syntax: ::variable_name  Example: string company = "ABC Technologies"; cout<<::company;
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   Industry Usage: Usedin large enterprise applications for accessing global configuration values. 7.9 ENUM Data Type Definition: ENUM is a user-defined data type consisting of named constants.  Syntax: enum Department { IT, HR, Finance, Sales };  Example: Employees belong to different departments. Department dept = IT;  Industry Usage: ENUM is widely used for:  Department Types  Employee Categories  Order Status  Payment Status  Leave Categories 8. Problem Statement: Design and implement an Employee Attendance and Salary Calculator for multiple employees using C++ programming constructs such as data types, operators, control structures, arrays, functions, reference variables, inline functions, scope resolution operator, and ENUM data type.
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   The systemshould calculate:  Basic Salary  Overtime Pay  Bonus  Leave Deduction  Net Salary and generate a payroll report for each employee. 9. Algorithm 1. Start 2. Declare company name as a global variable. 3. Define ENUM for employee departments. 4. Read the number of employees. 5. For each employee:  Accept Employee ID  Accept Employee Name  Accept Department  Accept Attendance Days  Accept Per Day Salary  Accept Overtime Hours 6. Calculate Basic Salary. 7. Calculate Overtime Pay. 8. Calculate Bonus. 9. Calculate Leave Deduction. 10. Calculate Net Salary. 11. Display employee payroll details. 12. Repeat for all employees. 13. Stop.
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  10. Pseudo code BEGIN DECLAREcompanyName ENUM Department { IT, HR, FINANCE, SALES } INPUT numberOfEmployees FOR each employee INPUT employeeID INPUT employeeName INPUT department INPUT attendanceDays INPUT perDaySalary INPUT overtimeHours basicSalary = attendanceDays * perDaySalary overtimePay = overtimeHours * 200 IF attendanceDays >= 26 bonus = basicSalary * 0.10 ELSE bonus = basicSalary * 0.05 ENDIF leaveDeduction = (30 - attendanceDays) * 100 netSalary =basicSalary + overtimePay + bonus - leaveDeduction DISPLAY payroll report END FOR END
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  11. Sample code #include<iostream> #include<string> usingnamespace std; // Global variable to demonstrate Scope Resolution Operator string companyName = "AVI Technologies Pvt. Ltd."; // ENUM to represent employee departments enum Department { IT = 1, HR, FINANCE , SALES }; // Inline function to calculate bonus // Employees having basic salary greater than 25000 // receive 10% bonus otherwise 5% inline float calculateBonus(float basicSalary) { if(basicSalary > 25000) return basicSalary * 0.10; else return basicSalary * 0.05; } // Function to calculate overtime payment // Company pays Rs. 200 per overtime hour float calculateOvertime(float overtimeHours) {
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  return overtimeHours *200; } // Function using reference variable // Net salary is returned through reference parameter void calculateNetSalary(float &netSalary, float basicSalary, float overtimePay, float bonus, float leaveDeduction) { netSalary = basicSalary + overtimePay + bonus - leaveDeduction; } int main() { int n; // Accessing global variable using Scope Resolution Operator cout<<"Company Name : "<<::companyName<<endl; cout<<"nEnter Number of Employees : "; cin>>n; // Arrays to store multiple employee records int empId[50]; string empName[50]; int attendanceDays[50]; float perDaySalary[50]; float overtimeHours[50];
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  // Input employeedetails for(int i=0;i<n;i++) { cout<<"nEmployee "<<i+1<<" Details"<<endl; cout<<"Enter Employee ID : "; cin>>empId[i]; cout<<"Enter Employee Name : "; cin>>empName[i]; cout<<"Enter Attendance Days : "; cin>>attendanceDays[i]; cout<<"Enter Per Day Salary : "; cin>>perDaySalary[i]; cout<<"Enter Overtime Hours : "; cin>>overtimeHours[i]; } cout<<"n========== PAYROLL REPORT ==========n"; // Processing payroll for all employees for(int i=0;i<n;i++) { float basicSalary; float overtimePay; float bonus; float leaveDeduction; float netSalary;
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  // Basic salarycalculation basicSalary = attendanceDays[i] * perDaySalary[i]; // Overtime amount calculation overtimePay =calculateOvertime(overtimeHours[i]); // Bonus calculation using inline function bonus =calculateBonus(basicSalary); // Leave deduction // Assuming 30 working days in a month // Rs.100 deduction per absent day leaveDeduction =(30 - attendanceDays[i]) * 100; // Net salary calculation using reference variable calculateNetSalary(netSalary, basicSalary, overtimePay, bonus, leaveDeduction); // Display payroll report cout<<"nEmployee ID : " <<empId[i]; cout<<"nEmployee Name : " <<empName[i]; cout<<"nBasic Salary : " <<basicSalary;
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  cout<<"nOvertime Pay :" <<overtimePay; cout<<"nBonus : " <<bonus; cout<<"nLeave Deduction : " <<leaveDeduction; cout<<"nNet Salary : " <<netSalary; cout<<"n "; } return 0; } Input Enter Number of Employees : 2 Employee 1 Details Enter Employee ID : 101 Enter Employee Name : Arun Enter Attendance Days : 28 Enter Per Day Salary : 1000 Enter Overtime Hours : 5 Employee 2 Details Enter Employee ID : 102 Enter Employee Name : Rahul Enter Attendance Days : 24 Enter Per Day Salary : 1200 Enter Overtime Hours : 3
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  Output Company Name :AVI Technologies Pvt. Ltd. ========== PAYROLL REPORT ========== Employee ID : 101 Employee Name : Arun Basic Salary : 28000 Overtime Pay : 1000 Bonus : 2800 Leave Deduction : 200 Net Salary : 31600 Employee ID : 102 Employee Name : Rahul Basic Salary : 28800 Overtime Pay : 600 Bonus : 2880 Leave Deduction : 600 Net Salary : 31680 12. Conclusion Thus, an Employee Attendance and Salary Calculator was successfully implemented using data types, operators, control structures, arrays, functions, reference variables, inline functions, scope resolution operator, and ENUM data type in C++. 13. Viva/Oral Questions  What is a data type?  What is an array?  What is a function?  What is an inline function?  What is a reference variable?  What is ENUM?  What is the purpose of the scope resolution operator?  Difference between local and global variables.  What are control structures?  Why are functions used in programming?
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  Text Books: 1. ObjectOriented Programming with C++, E. Balagurusamy, McGraw Hill Education, 8th Edition, 2023. 2. Mastering C++, K. R. Venugopal and Rajkumar Buyya, McGraw Hill Education, 2nd Edition, 2017. 3. Programming with C++, D. Ravichandran, McGraw Hill Education, 3rd Edition, 2018. Reference Books: 1. Programming Principles and Practice Using C++, Pearson Education, 3rd Edition, 2024. 2. The C++ Programming Language, Bjarne Stroustrup, Addison-Wesley Professional, 4th Edition, 2013. 3. C++ Primer, Stanley B. Lippman, Josée Lajoie, and Barbara E. Moo, Pearson Education, 5th Edition, 2012. 4. Object-Oriented Programming in C++, Robert Lafore, SAMS Publishing, 4th Edition, 2002. Prepared By, Approved By, Mr.A.S.Dalvi Dr. M. A. Jawale Subject In-charge HOD-IT