oo-70-245-1

oo-70-245-1 Commit Details


Date:2017-11-26 20:17:21 (7 years 4 months ago)
Author:Natalie Adams
Branch:master
Commit:4fd9a796473add12fa74c63ed2eda08a518b3a85
Parents: 416ea9f0e16a5f4558112ebb5291bfb99df0c387
Message:adding singleton
Changes:

File differences

Design Pattern Examples/Singleton.cs
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using System;␊
using System.Collections.Generic;␊
using System.Linq;␊
using System.Text;␊
using System.Threading.Tasks;␊
␊
namespace singleton␊
{␊
    class Log␊
    {␊
        private static Log instance;␊
        private static object syncRoot = new Object();␊
␊
        public static Log GetInstance()␊
        {␊
            lock (syncRoot)␊
            {␊
                if (instance == null)␊
                    instance = new Log();␊
            }␊
            return instance;␊
        }␊
␊
        public void WriteLog(string msg)␊
        {␊
            if (instance == null)␊
                throw new Exception("Exception: Log not initilized!");␊
            Console.WriteLine("Writting out to log....");␊
        }␊
␊
    }␊
    ␊
    class Program␊
    {␊
        static void Main(string[] args)␊
        {␊
            Log.GetInstance().WriteLog("test");␊
        }␊
    }␊
}␊

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