Small example of a singleton pattern

usingSystem;usingSystem.Collections.Generic;usingSystem.Linq;usingSystem.Text;namespacewindowsformsapplication5{classClass1 {Private StaticClass1 minstance; //Thread Helper Objects        Private Static ReadOnly ObjectLockassistant =New Object(); /// <summary>        ///Single Case/// </summary>        /// <returns></returns>         Public StaticClass1 Instance {Get            {                if(Minstance = =NULL)                {                    Lock(lockassistant) {if(Minstance = =NULL) {minstance=NewClass1 (); }                    }                }                returnminstance; }        }         Public intDD () {return 1; }         Public intcc () {return 2; }    }}

Use the following code to call the above class, debugging under your own: You can master the essence of the singleton mode

int a= Class1.Instance.cc () + CLASS1.INSTANCE.DD ();
MessageBox.Show (A.tostring ());

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Small example of a singleton pattern