Singleton Design Pattern

using System;using System.Collections.Generic;using System.Linq;using System.Text;using System.Threading.Tasks;namespace SingletonExample{   public class SingletonObject   {      private static SingletonObject instance = new SingletonObject();      private SingletonObject() { }     public static SingletonObject getInstance()     {        return instance;     }     public void sendMessage()     {       Console.WriteLine("Hello, World!");     }  }}
using SingletonExample;
SingletonObject singletonObject = SingletonObject.getInstance();singletonObject.sendMessage();

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