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Design and Evolution of C++, The Knowledge Check

Test your mastery of the core principles.

Question 1 of 4
What is the primary design principle governing C++ performance?
Explanation: The zero-overhead principle dictates that what you don't use, you don't pay for, ensuring C++ matches C-level performance.
Question 2 of 4
Which idiom ensures deterministic resource cleanup by tying resource lifecycles to stack variable scopes?
Explanation: RAII guarantees that resources are acquired in constructors and released in destructors as variables leave scope.
Question 3 of 4
How do templates achieve polymorphism without runtime dispatch penalties?
Explanation: Templates instantiate specialized, type-safe machine code during compilation, eliminating runtime lookup costs.
Question 4 of 4
What was Stroustrup's primary stance regarding C compatibility during the creation of C++?
Explanation: Compatibility with C was essential for practical adoption and survival, allowing C++ to leverage existing tools and codebases.