static void Main(string[] args)
{
int z = 1;
Console.WriteLine("****Test value type: ");
Console.WriteLine("The value of 2 before: " + z);
changeValue(z);
Console.WriteLine("The value of 2 after :" + z);
Console.WriteLine("****Test reference type: ");
testA a = new testA();
a.name = "not changed";
Console.WriteLine("The value of str before: " + a.name);
changeValue2(a);
Console.WriteLine("The value of str after: " + a.name);
Console.ReadLine();
}
public static void changeValue2(testA v)
{
v.name = "changed it";
}
