User.java

public class User {
    private int id;
    private String first_name;
    private String last_name;
    private String email;
    private String password;
    private boolean is_doctor;

    public User(int id, String first_name, String last_name, String email, String password, boolean is_doctor) {
        this.id = id;
        this.first_name = first_name;
        this.last_name = last_name;
        this.email = email;
        this.password = password;
        this.is_doctor = is_doctor;
    }

    public int getId() {
        return id;
    }

    public void setId(int id) {
        this.id = id;
    }

    public String getFirstName() {
        return first_name;
    }

    public void setFirstName(String first_name) {
        this.first_name = first_name;
    }

    public String getLastName() {
        return last_name;
    }

    public void setLastName(String last_name) {
        this.last_name = last_name;
    }

    public String getEmail() {
        return email;
    }

    public void setEmail(String email) {
        this.email = email;
    }

    public String getPassword() {
        return password;
    }

    public void setPassword(String password) {
        this.password = password;
    }

    public boolean isDoctor() {
        return is_doctor;
    }

    public void setDoctor(boolean doctor) {
        is_doctor = doctor;
    }

}