Explain Gernic Class and its advantage

From the gernic class single class can be used by number of client which reduce the cost and risk.There are number of features included in Gernic class it is reusable,type safety,and performance.We can also create our own interface,class and delegates.We can get the gernic datatype at runtime by the use of reflection.Gernicn class comes in System.Collections.gernicn namepace.The main advantage of genercs is to create collection classes.