C#从类型FullName创建类的实例

using System;
using System.Reflection;

namespace ExampleNamespace
{
    public class ExampleClass
    {
        public void ExampleMethod()
        {
            Console.WriteLine("Hello, World!");
        }
    }
}

class Program
{
    static void Main()
    {
        string className = "ExampleNamespace.ExampleClass";
        Type type = Type.GetType(className);
        
        if (type != null)
        {
            object instance = Activator.CreateInstance(type);
            MethodInfo method = type.GetMethod("ExampleMethod");
            
            if (method != null)
            {
                method.Invoke(instance, null);
            }
        }
    }
}