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Questions and Answers
What do pointer variables store?
What is the purpose of pointer variables?
What data structure is created when each object has a link to the next object through a pointer variable?
What is the advantage of using dynamic memory allocation?
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Why is dynamic memory allocation useful and necessary for more complicated classes?
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What is the IntCell class used for?
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Study Notes
- Pointer variables store the address where another object resides
- They are used in many data structures
- Storing each item in a separate noncontiguous piece of memory is common
- Each object has a link to the next object, which is a pointer variable
- This creates a linked list
- Pointers are used to dynamically allocate memory
- The IntCell class is used to illustrate dynamic memory allocation
- Dynamic memory allocation is useful and necessary for more complicated classes
- The new version of the IntCell class is shown in Figure 1.11
- Insertion into a contiguous array requires relocation of many items
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Description
Test your knowledge on pointers and dynamic memory allocation with this quiz! Learn about the basics of pointer variables and how they create linked lists. Discover the importance of dynamic memory allocation and how it's used in more complex classes. See if you can identify the new version of the IntCell class and understand why insertion into a contiguous array requires relocation of many items. Sharpen your skills and become a pro in programming with pointers!
