单例设计模式

namespace 单例设计模式{    class SingleObject    {        //单例设计模式        PRivate SingleObject() { }//构造函数私有.防止new,保持唯一.        private static SingleObject _singleObject;//静态字段充当全局变量.        public static SingleObject GetSingleObject()//有则获取,没有则创建.        {            if (_singleObject == null)            {                _singleObject = new SingleObject();            }            return _singleObject;        }    }}