First Commit

Lab2/src/main/java/org/lumijiez/Main.java

@@ -0,0 +1,59 @@
+package org.lumijiez;
+
+import org.lumijiez.base.Grade;
+import org.lumijiez.base.NameSurnameGroup;
+import org.lumijiez.data.DataDeserializer;
+import org.lumijiez.data.DataSerializer;
+import org.lumijiez.managers.Manager;
+
+import java.util.Scanner;
+
+public class Main {
+    public static NameSurnameGroup readNSG() {
+        String name = sc.nextLine();
+        String surname = sc.nextLine();
+        String group = sc.nextLine();
+        return new NameSurnameGroup(name, surname, group);
+    }
+    public static Scanner sc = new Scanner(System.in);
+    public static void main(String[] args) {
+        Manager studentManager = DataDeserializer.deserialize();
+
+        boolean exit = false;
+        while (!exit) {
+            System.out.println("===== Student Management System =====");
+            System.out.println("1. Show Students");
+            System.out.println("2. Show Groups");
+            System.out.println("3. Show Grades of a Student");
+            System.out.println("4. Add Grade to Student");
+            System.out.println("5. Add Student");
+            System.out.println("6. Remove student");
+            System.out.println("7. Exit and save");
+            System.out.print("Enter your choice: ");
+
+            int choice = sc.nextInt();
+            sc.nextLine();
+
+            switch (choice) {
+                case 1 -> studentManager.printStudents();
+                case 2 -> studentManager.printGroups();
+                case 3 -> studentManager.printGrades(readNSG());
+                case 4 -> studentManager.addGrade(readNSG(), new Grade(sc.nextLine(), sc.nextInt()));
+                case 5 -> studentManager.addStudent(readNSG());
+                case 6 -> studentManager.removeStudent(readNSG());
+                case 7 -> {
+                    DataSerializer.serialize(studentManager);
+                    exit = true;
+                }
+                default -> System.out.println("Invalid choice. Please try again.");
+            }
+
+            if (!exit) {
+                System.out.println("Press Enter to continue...");
+                sc.nextLine();
+            }
+        }
+
+        System.out.println("Goodbye!");
+    }
+}