static void Main(string[] args)
{
while (true)
{
User user = new User();
user.Age = 5;
Test1(ref user);
Console.WriteLine(user.Age);
Test1(user);
Console.WriteLine(user.Age);
Console.ReadLine();
test = new Helper().GetTest;
Console.WriteLine(test.GetTestString());
Console.WriteLine(test.GetTestString());
Console.WriteLine(test.GetTestString());
if (Console.ReadLine() == "Y")
break;
}
}
static void Test1(ref User user)
{
user.Age = 100;
user = new User();
}