🧑‍💼 Employee Manager (Java Console Project)

A simple Java console-based Employee Management System built for practicing core Java, collections, and unit testing with JUnit 5.
The project demonstrates CRUD operations on employees, menu-driven user interaction, and testable business logic.

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🚀 Features

• Add Employee
  • Accept employee details and add them to an in-memory list.
• List Employees
  • Display all employees currently stored.
• Search Employee
  • Search by:
    • Employee ID
    • Employee Name
    • Department
    • Salary
  • Results are printed or returned as a list (for testing).
• Remove Employee
  • Remove by ID with validation (handles empty list safely).
• Input Validation
  • Prevents invalid removals and searches.
• Menu-Driven Flow
  • Interactive console menu for user options.

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🛠️ Tech Stack & Skills Demonstrated

• Java 21 (compatible with Java 8+ features: Streams, Lambdas, etc.)
• Collections Framework (List, ArrayList, Stream API)
• Java Time API (LocalDate)
• Exception & Edge Case Handling (empty list checks, invalid removal)
• JUnit 5 for unit testing:
  • @BeforeEach for test setup
  • Assertions (assertEquals, assertTrue, assertFalse, assertNotNull, assertThrows)
• Clean Code Practices
  • Separation of concerns (Employee model, EmployeeManager logic, EmployeeTest unit tests)
  • Static utility methods for menu options

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How to Run the Project

Prerequisites

• Java Development Kit (JDK) 17 or higher installed
• Command line terminal (CMD, PowerShell, or Terminal on Mac/Linux)

Steps to Run

1. Open a terminal and navigate to the project directory:

cd path/to/EmployeeManagementSystem/src
javac com/employee/manager/EmployeeManager.java com/employee/model/Employee.java
java -cp . com.employee.manager.EmployeeManager

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Code in Action !