Java: Employee Management System

Java OOP: Exercise-6 with Solution

Write a Java program to create a class called "Employee" with a name, job title, and salary attributes, and methods to calculate and update salary.

Sample Solution:

Java Code:

//Employee.java
public class Employee {
  private String name;
  private String jobTitle;
  private double salary;

  public Employee(String name, String jobTitle, double salary) {
    this.name = name;
    this.jobTitle = jobTitle;
    this.salary = salary;
  }

  public String getName() {
    return name;
  }

  public void setName(String name) {
    this.name = name;
  }

  public String getJobTitle() {
    return jobTitle;
  }

  public void setJobTitle(String jobTitle) {
    this.jobTitle = jobTitle;
  }

  public double getSalary() {
    return salary;
  }

  public void setSalary(double salary) {
    this.salary = salary;
  }

  public void raiseSalary(double percentage) {
    salary = salary + salary * percentage / 100;
  }

  public void printEmployeeDetails() {
    System.out.println("Name: " + name);
    System.out.println("Job Title: " + jobTitle);
    System.out.println("Salary: " + salary);
  }
}

The above class has three private attributes: name, jobTitle, and salary. It has a constructor that initializes these attributes with the values passed as arguments. It also has getter and setter methods to access and modify these attributes. In addition, it provides methods for raising salaries by a certain percentage and printing employee information.

//Main.java
public class Main {
  public static void main(String[] args) {

    Employee employee1 = new Employee("Franziska Waltraud", "HR Manager", 40000);
    Employee employee2 = new Employee("Hubertus Andrea", "Software Engineer", 60000);
    System.out.println("\nEmployee Details:");
    employee1.printEmployeeDetails();
    employee2.printEmployeeDetails();

    employee1.raiseSalary(8);
    employee2.raiseSalary(12);

    System.out.println("\nAfter raising salary:");
    System.out.println("\n8% for 'Franziska Waltraud':");
    employee1.printEmployeeDetails();
    System.out.println("\n12% for 'Hubertus Andrea':");
    employee2.printEmployeeDetails();
  }
}

In the above example code, we create two instances of the "Employee" class and print their details using the ’printEmployeeDetails()’ method. We then raise their salary using the ‘raiseSalary()’ method and print the updated details of the employees.

Sample Output:

Employee Details:
Name: Franziska Waltraud
Job Title: HR Manager
Salary: 40000.0
Name: Hubertus Andrea
Job Title: Software Engineer
Salary: 60000.0

After raising salary:

8% for 'Franziska Waltraud':
Name: Franziska Waltraud
Job Title: HR Manager
Salary: 43200.0

12% for 'Hubertus Andrea':
Name: Hubertus Andrea
Job Title: Software Engineer
Salary: 67200.0

Flowchart:

Java Code Editor:

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