static void Main(string[] args)
{
Student s1 = new Student();
s1.RollNumber = 2;
ChangeRollNumber(ref s1);
Console.WriteLine(s1.RollNumber);
StudentStruct studentStruct = new StudentStruct();
studentStruct.RN = 22;
ChangeRollNumberForStruct(ref studentStruct);
Console.WriteLine(studentStruct.RN);
Console.ReadKey();
}
private static void ChangeRollNumberForStruct(ref StudentStruct studentStructInput)
{
studentStructInput.RN = 33;
studentStructInput = new StudentStruct();
studentStructInput.RN = 55;
}
