complete student system Jamiir Parker

README.md

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-# Student Management System
+33334445# Student Management System
 
 A Java console application for managing students and instructors.
 

src/main/java/Jamiir/Instructor.java

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+package Jamiir;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class Instructor extends Person {
+
+    private String department;
+    private List<Student> students;
+
+    public Instructor(int id, String firstName, String lastName, String email,
+                      String department) {
+        super(id, firstName, lastName, email);
+        this.department = department;
+        this.students = new ArrayList<>();
+    }
+
+    public void addStudent(Student student) {
+        students.add(student);
+    }
+
+    public void printRoster() {
+        System.out.println(getFullName() + "'s Roster:");
+        for (Student s : students) {
+            System.out.println("- " + s.getSummary());
+        }
+    }
+
+    public void createAnnouncement(String message) {
+        System.out.println("Announcement from " + getFullName() + ": " + message);
+    }
+
+    @Override
+    public String getSummary() {
+        return "[Instructor] " + getFullName() +
+                " | Department: " + department;
+    }
+}

src/main/java/Jamiir/Person.java

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+package Jamiir;
+
+public abstract class Person {
+
+    private int id;
+    private String firstName;
+    private String lastName;
+    private String email;
+
+    public Person(int id, String firstName, String lastName, String email) {
+        this.id = id;
+        this.firstName = firstName;
+        this.lastName = lastName;
+        this.email = email;
+    }
+
+    public String getFullName() {
+        return firstName + " " + lastName;
+    }
+
+    public abstract String getSummary();
+}
+
+
+
+
+
+

src/main/java/Jamiir/Student.java

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+package Jamiir;
+
+public class Student extends Person {
+
+    private int gradeLevel;
+    private double gpa;
+
+    public Student(int id, String firstName, String lastName, String email,
+                   int gradeLevel, double gpa) {
+        super(id, firstName, lastName, email);
+        this.gradeLevel = gradeLevel;
+        this.gpa = gpa;
+    }
+
+    public boolean isOnHonorRoll() {
+        return gpa >= 3.5;
+    }
+
+    @Override
+    public String getSummary() {
+        return "[Student] " + getFullName() +
+                " | Grade Level: " + gradeLevel +
+                " | GPA: " + gpa +
+                " | Honor Roll: " + (isOnHonorRoll() ? "Yes" : "No");
+    }
+}
+
+

src/main/java/Jamiir/main.java

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+package Jamiir;
+
+import java.util.ArrayList;
+import java.util.List;
+
+    public static void main(String[] args) {
+
+        Student s1 = new Student(1, "Jordan", "Smith",
+                "jsmith@email.com", 2, 3.8);
+
+        Student s2 = new Student(2, "Marcus", "Brown",
+                "mbrown@email.com", 1, 2.9);
+
+        Instructor instructor = new Instructor(3, "Dr.", "Rivera",
+                "rivera@email.com", "Computer Science");
+
+        instructor.addStudent(s1);
+        instructor.addStudent(s2);
+
+        // Polymorphism — no instanceof needed
+        List<Person> people = new ArrayList<>();
+        people.add(s1);
+        people.add(s2);
+        people.add(instructor);
+
+        for (Person p : people) {
+            System.out.println(p.getSummary());
+        }
+
+        System.out.println();
+        instructor.printRoster();
+    }
+}