Inheritance

package taoshiflex.lab6;

public class Lab6 {

    public static void main(String[] args) {

        Person person = new Person("Forash Uddin Sir", "Dhaka", 734567899, "fusir@outlook.com");

        Student student = new Student("Gazi Taoshif", "151 Bailey Road", 1738949857 , "taoshif2@gmail.com", Student.SOPHOMORE);

        Employee employee = new Employee("Rasel Mahmud", "789 Rampura", 1234567890 , "rasel@yahoo.com", "Room- 101(FUB)", 30000, "15-04-2022");

        Faculty faculty = new Faculty("Sadika Sneha Maam", "101 Narayongonj", 444555666, "sdis@gmail.com", "Room- 215", 50000, "31-12-2019", 8 , "Lecturer");

        Staff staff = new Staff("Alomgir Hossain", "202/A Saydabad", 333444555, "alomgir@gmail.com", "Room- 303(AB3)", 20000, "01-01-2021", "Manager");

        System.out.println(person.toString());
        System.out.println(student.toString());
        System.out.println(employee.toString());
        System.out.println(faculty.toString());
        System.out.println(staff.toString());
    }
}

←—Person.java—---->

package taoshiflex.lab6;

class Person {
    
    private String name;
    private String address;
    private double phone;
    private String email;
    
public Person(String name, String address, double phone, String email) {

    this.name = name;
    this.address = address;
    this.phone = phone;
    this.email = email;
    }
    
    @Override
      public String toString() {
        return "Parent-Class: Person, Name: " + name + ", " + address + ", " + phone + ", " + email;
    }   
}

←—Student.java—---->

package taoshiflex.lab6;

class Student extends Person {
    
    public static final String FRESHMAN = "Freshman";
    public static final String SOPHOMORE = "Sophomore";
    public static final String JUNIOR = "Junior";
    public static final String SENIOR = "Senior";
    
    private String status;

    public Student(String name, String address, double phone, String email, String status) {
        super(name, address, phone, email);
        this.status = status;
    }

    @Override
    public String toString() {
        return "Child-Class: Student, " + super.toString() + ", Status: " + status;
    }   
}

←—Employee.java—---->

package taoshiflex.lab6;

public class Employee extends Person {
       
    private String office;
    private double salary;
    private String dateHired;
    
public Employee(String name, String address, double phone, String email, String office, double salary, String dateHired) {
    super(name, address, phone, email);
        this.office = office;
        this.salary = salary;
        this.dateHired = dateHired;
    }

    @Override
    public String toString() {
        return "Child-Class: Employee, " + super.toString() + ", Office: " + office + ", Salary: " + salary + "TK, Date Hired: " + dateHired;
    }
}

←—Faculty.java—---->

package taoshiflex.lab6;

class Faculty extends Employee {
    
    private int officeHours;
    private String rank;

    public Faculty(String name, String address, double phone, String email, String office, double salary, String dateHired, int officeHours, String rank) {
        super(name, address, phone, email, office, salary, dateHired);
        this.officeHours = officeHours;
        this.rank = rank;
    }

    @Override
    public String toString() {
        return "Grand-Child-Class: Faculty, " + super.toString() + ", Office Hours: " + officeHours + " Hours, Rank: " + rank;
    }
}

←—Staff.java—---->

package taoshiflex.lab6;

public class Staff extends Employee {
 
    private String title;

    public Staff(String name, String address, double phone, String email, String office, double salary, String dateHired, String title) {
        super(name, address, phone, email, office, salary, dateHired);
        this.title = title;
    }

    @Override
    public String toString() {
        return "Grand-Child-Class: Staff, " + super.toString() + ", Title: " + title;
    }
}