static void Main(string[] args) { //NEW SCHOOLCLASSES SchoolClass classA = new SchoolClass(); SchoolClass classB = new SchoolClass(); SchoolClass classC = new SchoolClass(); SchoolClass classD = new SchoolClass(); //NEW TEACHERS Teacher teacher1 = new Teacher("Adam Wesołowski", "Matematyka", 32, 34); Teacher teacher2 = new Teacher("Ewa Matuszewska", "Język polski", 32, 50); Teacher teacher3 = new Teacher("Wojciech Olszewski", "Fizyka", 22, 34); Teacher teacher4 = new Teacher("Zbigniew Zamachowski", "Filozofia", 40, 40); //ADDING TEACHERS TO THE LIST Teacher teacher = new Teacher(); teacher.addTeacher(teacher1); teacher.addTeacher(teacher2); teacher.addTeacher(teacher3); teacher.addTeacher(teacher4); teacher.addTeacher(teacher4);//it will result in message "Zbigniew Zamachowski has been already added" teacher.printTeacher(); //ADDING TEACHERS TO CLASSES classA.addTeachersToClass(teacher1); classA.addTeachersToClass(teacher2); classA.addTeachersToClass(teacher3); classB.addTeachersToClass(teacher3); classB.addTeachersToClass(teacher2); classC.addTeachersToClass(teacher1); classC.addTeachersToClass(teacher4); classD.addTeachersToClass(teacher4); //NUMBER OF TEACHERS IN CLASS classA.numberOfTeachers(); //ADDING STUDENTS TO CLASSES classA.addStudent(1, "Maciej Kononowicz"); classA.addStudent(2, "Adam Zagłębny"); classA.addStudent(3, "Mirosław Baka"); //classA.addStudent(3, "Weronika Migdałowska")//adding the same ID will result in error classA.printStudent(1); //print single student classA.printStudent(5); //it wil result in "There is no student with this id" message classA.printAllStudents(); //print all students from classA }