C# Online Compiler | .NET Fiddle

<no name> by Anonymous

using System;
					
public class Program
{
	public static void Main()
	{
		var a = new A();
		a.Age = 10;
	}
	
	public static void Change(A user){
	    user.Age = 20;
	}
	
	public static void Change2(A user){
		user = new A();
		user.Age = 30;
	}
}

public class A {
    public int Age {get;set;}
}

​x
 
using System;
                    
public class Program
{
    public static void Main()
    {
        var a = new A();
        a.Age = 10;
    }
    
    public static void Change(A user){
        user.Age = 20;
    }
    
    public static void Change2(A user){
        user = new A();
        user.Age = 30;
    }
}
​
public class A {
    public int Age {get;set;}
}

{
  "data": [
    {
      "name": "Tiger Nixon",
      "position": "System Architect",
      "salary": "$320,800",
      "start_date": "2011/04/25",
      "office": "Edinburgh",
      "extn": "5421"
    }
  ]
}

Cached Result
Last Run:	10:59:54 am
Compile:	0.235s
Execute:	0.157s
Memory:	982.70kb
CPU:	0.266s

View IL Code