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public class TestStudent {
    public static void main(String[] args) {
        // Create a Student object
        Student student = new Student("John", "Doe", 12345);

        // Enroll the student in 5 courses
        student.enroll("Math");
        student.enroll("Science");
        student.enroll("History");
        student.enroll("Art");
        student.enroll("Physical Education");

        // Attempt to enroll in an additional course
        student.enroll("Music");

        // Unenroll from a course
        student.unenroll("History");

        // Attempt to unenroll from a course that is not enrolled
        student.unenroll("Music");
    }
}