C# implements a simple example of boxing and unboxing operations

This article uses a simple example to describe the implementation method of C# boxing and unboxing operations. Simply put, boxing is to convert the value type into a reference type; unboxing is to convert the reference type into a value type, which involves the stack and Anyone who has learned C# should know about the use of the heap, so I won’t be too embarrassed here. This example code is also for C# novices and is very simple.

The specific implementation code is as follows:

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
namespace UnBoxing
{
  class Program
  {
    static void Main(string[] args)
    {
      int i = 123;//声明一个int类型的变量i，并初始化为123
      object obj = i; //执行装箱操作
      Console.WriteLine("装箱操作：值为{0}，装箱之后对象为{1}", i, obj);
      int j = (int)obj;//执行拆箱操作
      Console.WriteLine("拆箱操作：装箱对象为{0}，值为{1}", obj, j);
      Console.ReadLine();
    }
  }
}

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