public static void Main()
Console.WriteLine("Hello World");
public static int StudentCount;
firstStudent.firstName = "John";
firstStudent.lastName = "Smith";
firstStudent.grade = "six";
secondStudent.firstName = "Tom";
secondStudent.lastName = "Thumb";
secondStudent.grade = "two";
Console.WriteLine(firstStudent.firstName);
Console.WriteLine(secondStudent.firstName);
Console.WriteLine(Student.StudentCount);