Wzorzec projektowy dla problemu

public static class ClassA
{
         public static void doSomething()
         {}
}

public static class ClassB
{
         public static void doSomething(string param1)
         {}
}

public static class ClassC
{
         public static void doSomething(int param2)
         {}
}
 

ClassA.doSomething(); 
ClassB.doSomething(param1); 
ClassC.doSomething(param2)

interface IDoSomething
{
	void DoSomething(params object[] args);
}

class ClassA : IDoSomething { void DoSomething(params object[] args) { ... } }
class ClassB : IDoSomething { void DoSomething(params object[] args) { ... } }
class ClassC : IDoSomething { void DoSomething(params object[] args) { ... } }

static class DoIt
{
	public static void Do(Type[] types, params object[] args)
	{
		foreach (var type in types)
		{
			(Activator.CreateInstance(type) as IDoSomething).DoSomething(args);
		}
	}
}


DoIt.Do(new Type[] { typeof(ClassB ), typeof(ClassC ) }, arg1, arg2);

public static class ClassaZbioracza
{
        /* edit nie potrzebne bo metody w klasach sa statyczne
          static  Class1  c1Instance // itd.
          //....
         ClassaZbioracza(Class1 c1,Class2 c2,Class3 c3)
         {
                  c1Instance = c1; // itd dla kolejnych 
                  //...
           }       */
         public static void doSomething(string param1)
         {
                  Class1 .doSomething(param1)
         }
         public static void doSomething(int param2)
          { 
                  Class2 .doSomething(param2)
          }
          public static void doSomething()
         {
                  Class3 .doSomething()
         }
}