Behavioral Design Patterns in C++ - Introduction-Iterator

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Information Technology (IT), Architecture
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Hard
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7 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is one of the main benefits of using an iterator pattern?
It provides a way to access elements without exposing the underlying structure.
It makes the aggregate more complex and unmaintainable.
It allows direct access to the aggregate's elements.
It simplifies the aggregate by adding more responsibilities.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary intent of the iterator pattern?
To make traversal algorithms more complex.
To allow clients to modify the aggregate's internal structure.
To provide a way to access elements sequentially without exposing the underlying representation.
To expose the underlying representation of an aggregate.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the iterator pattern, what is the role of the concrete iterator?
To modify the aggregate's elements.
To provide direct access to the aggregate's internal structure.
To store elements of the aggregate.
To implement the traversal algorithm and allow access to elements.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How can iterators be implemented in terms of control?
As neither internal nor external iterators.
Only as internal iterators.
As either internal or external iterators.
Only as external iterators.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a feature of static polymorphic iteration in C++?
It is slower than dynamic polymorphic iteration.
It uses templates for type safety and speed.
It is not type safe.
It requires manual memory management.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of null iterators in some languages?
To provide direct access to the collection's elements.
To modify elements in a collection.
To represent the end of a collection.
To represent the start of a collection.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a benefit of using smart pointers with iterators in C++?
They make the code slower.
They expose the aggregate's internal structure.
They require manual memory management.
They automatically manage memory.
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