TestPeople

import java.util.Scanner;

public class TestPeople {
    public static void main(String[] args) {

        Student[] students = new Student[3];
        Scanner keyboard = new Scanner(System.in);
        double average = 0.0;
        for (int i = 0; i < students.length; i++) {

            students[i] = new Student(); // Конструктор без параметри
            System.out.println("Enter student's name: ");
            students[i].setName(keyboard.nextLine()); // Метод setName()
            System.out.println("Enter student's school: ");
            students[i].setSchool(keyboard.nextLine()); // Метод setSchool()
            System.out.println("Enter student's address: ");
            students[i].setAddress(keyboard.nextLine());// Метод setAddress()
            System.out.println("Enter student's grade: ");
            students[i].setGrade(Double.parseDouble(keyboard.nextLine())); // Метод setGrade()
            average += students[i].getGrade(); // Метод getGrade()

        }

        for (int i = 0; i < 3; i++) {
            System.out.println((i + 1) + ". " + students[i].toString());
        }

        Teacher[] teachers = new Teacher[2];
        for (int i = 0; i < teachers.length; i++) {
            teachers[i] = new Teacher();
            System.out.println("Enter teacher's name: ");
            teachers[i].setName(keyboard.nextLine());
            System.out.println("Enter subject: ");
            teachers[i].setSubject(keyboard.nextLine());
            System.out.println("Enter teacher's room: ");
            teachers[i].setRoom(Integer.parseInt(keyboard.nextLine()));
        }

        printList(students, "TU");
        System.out.println("Average grade: " + average / students.length);

        for (int i = 0; i < 2; i++) {
            System.out.println((i + 1) + ". " + teachers[i].toString());
        }

        info_Prog(teachers);
        keyboard.close();
    }

    static void printList(Student[] st, String uni) {
        System.out.println("Students from " + uni);
        for (int i = 0; i < st.length; i++) {
            if (st[i].getSchool().equals(uni))
                System.out.println((i + 1) + ". " + st[i].getName());
        }
    }

    public static void info_Prog(Teacher[] teach) {
        System.out.println("Programirane teachers : ");
        boolean foundTeacher = false;
        for (int i = 0; i < teach.length; i++) {
            if (teach[i].getSubject().equals("Programirane")) {
                System.out.println((i + 1) + ". " + teach[i].getName() + " Room: " + teach[i].getRoom());
                foundTeacher = true;
            }
        }
        if (!foundTeacher) {
            System.out.println("No teachers found.");
        }
    }
}