Q. Which of the following describes the Command pattern correctly? (Solved)
1. in this pattern a class represents functionality of another class.
2. this pattern creates a chain of receiver objects for a request.
3. this pattern provides a way to evaluate language grammar or expression.
4. in this pattern a request is wrapped under an object as command and passed to invoker object.
- d. in this pattern a request is wrapped under an object as command and passed to invoker object.