C#语言参考(微软)

using System;
class Class1
{
  public int Value = 0;
}
class Test
{
  static void Main() {
  int val1 = 0;
  int val2 = val1;
  val2 = 123;
    Class1 ref1 = new Class1();
    Class1 ref2 = ref1;
  ref2.Value = 123;
    Console.WriteLine("Values: {0}, {1}", val1, val2);
    Console.WriteLine("Refs: {0}, {1}", ref1.Value, ref2.Value);
 }
}
                    
Values: 0, 123
Refs: 123, 123
 val1 val2int
ref.Value  
ue=123 ref1 ref2
  
Console.WriteLine("Values: {0}, {1}", val1, val2);
Console.WriteLine("Refs: {0}, {1}", ref1.Value, ref2.Value);