static void Main(string[] args) { int num1 = 2; int num2 = 3; int result; studentStudent firstStudentStudent = new studentStudent(); firstStudentStudent.firstName = "John"; firstStudentStudent.lastName = "Smith"; firstStudentStudent.grade = "six"; result = sum(num1, num2); Console.Write("Sum is: "); Console.WriteLine(result); // outputs 5 Console.WriteLine(); changeValues(num1, num2); Console.WriteLine(); Console.WriteLine("Back from changeValues()"); Console.WriteLine(num1); // outputs 2 Console.WriteLine(num2); // outputs 3 Console.WriteLine(); Console.WriteLine("First name for firstStudentStudent is " + firstStudentStudent.firstName); changeName(firstStudentStudent); Console.WriteLine(); Console.WriteLine("First name for firstStudentStudent is " + firstStudentStudent.firstName); }
static void changeName(studentStudent refValue) { Console.WriteLine(); Console.WriteLine("In changeName()"); refValue.firstName = "George"; }