CHAPTER 6The Life Cycle of an Object

Every object has a life cycle. An object’s main purpose might be minor and very specific, or it may be the object without which the system cannot function. No matter how significant an object is, every one must be created (C), read or reviewed (R), modified or updated (U), and purged or deleted (D). The object life cycle is thus represented by the acronym CRUD.

  • What if we did not create a particular object? The responsibility for creating or setting up an object may belong to another group; the object is then out of scope for the system being analyzed. But we still need to identify who is ultimately responsible ...

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