Lesson 2
In this lesson, we're going to spend some time reflecting on the when and the how of object lifetime, for both primitives and instances of classes.
We'll also look at how references, arrays, and data members interact with object lifetime.
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We will be reviewing many things we already know or at least intuit but we'll be folding in some new details and unifying a number of concepts.
This lesson addresses the following course-learning goals from Group 5 (Object Lifetime):
- Goal 5B (Lifetime Timing):
- Identify where in a program each phase of lifetime (allocation, initialization, use, destruction, deallocation) happens for an instance of a class.
- Goal 5C (Pointers to Classes):
- Explain how references and pointers to instances of classes behave in terms of object lifetime
Outline
(This would be a good spot for a break.)
- Use: How (Assignment Operator)
- Destruction: How (Destructors)
- What About Arrays?
- What About References?
- What About Data Members?
(Maybe take a quick break before we tie it all up.)
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