title: Appropriate design pattern for choosing between two classes which do not have similar functions
body: <p>I have 2 classes Workflow1.java and Workflow2.java. At a class Selection.java I want to be able to choose between instantiating one of the 2 classes as a static member however I cannot implement the factory pattern as Workflow1 and Workflow2 cannot be subclasses since their methods are not the same. Although they achieve the same end result they do so by doing entirely different operations. Is there a design pattern for this scenario?</p>
  
  <p>Example: If the classes were WalkHelper.java and DriveHelper.java, the methods you need in each are entirely different but what you are trying to achieve is the same - reach a destination. I haven't created walk() and drive() as methods as WalkHelper.java has existed in our code base and I'm adding DriveHelper.java to it.</p>