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This chapter is from the book Memento Durability

Memento Durability

A memento is a tiny repository that saves an object’s state. You can create a memento by using another object, a string, or a file. The anticipated duration between the storage and reconstruction of an object has an effect on the strategy that you can use in designing a memento. The time that elapses can be moments, hours, days, or years.


Challenge 19.3

Write down two reasons that might drive you to save a memento in a file rather than as an object.

A solution appears on page 402.


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