package pczapiewskilab1;

public class Person implements EmailRecipient {

    private String firstName;
    private String lastName;
    private String emailAddress;
    public Person(String firstName, String lastName, String emailAddress) {
        this.firstName = firstName;
        this.lastName = lastName;
        this.emailAddress=emailAddress;
    }

    public String getFirstName() {
        return firstName;
    }

    public String getLastName() {
        return lastName;
    }

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

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

    @Override
    public String toString() {
        return firstName + " " + lastName;
    }
    @Override
    public String getEmailAddress() {
        return emailAddress;
    }
}

package pczapiewskilab1;

import java.util.ArrayList;
import java.util.List;

public class Student extends Person {
    private String groupId;
    private List<Double> grades = new ArrayList<>();
    public Student(String firstName, String lastName, String groupId, String emailAddress) {
        super(firstName, lastName, emailAddress);
        this.groupId=groupId;
    }

    public String getGroupId() {
        return groupId;
    }

    public void setGroupId(String groupId) {
        this.groupId = groupId;
    }
    public List<Double> getGrades() {
        return grades;
    }

    public void addGrade(double grade) {
        grades.add(grade);
    }
    public Double getGradesAverage() {
        Double avarage=new Double(0);
        for (int i=0;i<grades.size();i++) {
            avarage+=grades.get(i);
        }
        return avarage/grades.size();
    }
}

package pczapiewskilab1;
public class Main {

    public static void main(String[] args) {
        Person p1=new Person("Bill","Gattes","chujcietoboli");
        Person p2 = new Person("Gal", "Anonim","chujcietoboli");
        University zut = new University("Zachodniopomorski Uniwersystet Technologiczny w Szczecinie", "zut@zut.edu.pl");
        University wsks = new University("Wyższa Szkoła Kosmetologii Stosowanej w Koluszkach", "wsks@wsks.edu.pl");

        Person s1 = new Student("Jan", "Kowalski", "jkowalski@wi.zut.edu.pl", "32A");
        Person s2 = new Student("Hermenegilda", "Nowak", "henowak@wi.zut.edu.pl", "32A");
        Person t1 = new Teacher("Bjarne", "Stroustrup", "bjarne@fake.org", "Introduction to C++");

        EmailRecipient[] spamList = new EmailRecipient[5];
        spamList[0] = zut;
        spamList[1] = wsks;
        spamList[2] = s1;
        spamList[3] = s2;
        spamList[4] = t1;;

        System.out.println(p1);
        System.out.println(p2);

        for(EmailRecipient recipient : spamList) {
            String email = recipient.getEmailAddress();
            System.out.println(email);
        }
        Student student= new Student("Jan", "Kowalski", "jkowalski@wi.zut.edu.pl", "32A");

    }

}