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class Program
{
public static void ValueMethod(Person person)
{
person.name = "李四";
person = new Person();
}
static void Main()
{
Person person1 = new Person() ;
person1.name = "李四";
person1 = new Person();
Console.WriteLine(person1.name); //输出张三
Person person2 = new Person();
ValueMethod(person1);
Console.WriteLine(person1.name); //输出李四
Console.ReadKey();
}
}
class Person
{
public string name = "张三";
}