static void Main(string[] args)
{
string name = "张";
string he = name;
he = "虞";
Console.WriteLine(name);
}
输出:张
static void Main(string[] args)
{
int[] a = { 3, 6, 9 };
int[] b = a;
b[0] = 30;
foreach (var item in a)
{
Console.WriteLine(item);
}
}
输出:30
6
9
同样都是引用类型,为什么修改数据后string类型的数据没有改变?