Behavioral Design Patterns in C++ - Introduction-Memento

The video tutorial discusses the Memento design pattern, which allows an object's state to be saved and restored without violating encapsulation. It introduces the roles of Originator, Caretaker, and Memento, explaining how they interact to manage state. The tutorial also covers the structure of the pattern, the use of wide and narrow interfaces, and memory management considerations, including serialization. Finally, it provides a brief overview of implementing the pattern.

What is the primary purpose of the Memento design pattern?

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How does the Memento pattern help in maintaining encapsulation?

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What is the significance of the memento being an opaque object?

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What roles do the originator, caretaker, and memento play in the Memento pattern?

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Explain how the caretaker interacts with the originator and memento.

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What are the differences between the wide and narrow interfaces in the context of the Memento pattern?

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In what scenarios might it be beneficial to store only incremental changes of the originator state?

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