constructor of the class will be all the data except the employee number, which will be a generated number (the first employee to be employee number 1, the second employee number 2 and so on). and so on)

public class Employee {
    private String name;
    private String jobTitle;
    private int age;
    private String phoneNumber;
    private String email;
    private String address;
    private String startDate;
    private String salary;

    public Employee(String name, String jobTitle, int age, String phoneNumber, String email, String address, String startDate, String salary) {
        this.name = name;
        this.jobTitle = jobTitle;
        this.age = age;
        this.phoneNumber = phoneNumber;
        this.email = email;
        this.address = address;
        this.startDate = startDate;
        this.salary = salary;
    }
}