Classroom.java

import java.util.Scanner;

public class Classroom {

    public Student[] students;
    public String className;


    public Classroom(String className, int numStudents){
        this.className = className;
        this.students = new Student[numStudents];
    }

    public void addStudent(){
        Scanner sc = new Scanner(System.in);
        for (int i = 0; i < students.length; i++) {
            System.out.println("Enter a student name: " + (i + 1) + ": ");
            String name = sc.nextLine();

            System.out.println("Enter the number of grades: ");
            int numGrades = sc.nextInt();
            int[] grades = new int[numGrades];

            for (int j = 0; j < numGrades; j++) {
                System.out.println("Enter grade: " + (j + 1) + ": ");
                grades[j] = sc.nextInt();
            }
            sc.nextLine();

            students[i] = new Student(name, grades);
        }
    }
    public void displayStudents() {
        System.out.println("Class: " + className);
        for (Student student : students) {
            student.displayInfo();
            System.out.println("Average grade: " + student.calcAverage());
        }
    }

}