Mastering C++: A Comprehensive Quiz Based on 'Thinking in C++'

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Test your C++ skills with our quiz based on Bruce Eckel's 'Thinking in C++'. Dive into object-oriented programming, advanced topics, and fundamentals. Perfect for learners and experts alike. Assess your knowledge and become a C++ master!

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What is the purpose of the 'using namespace std;' directive in a C++ program?

  1. It allows the use of the standard template library without prefix

  2. It imports all libraries in C++

  3. It speeds up program compilation

  4. It defines a new namespace

The correct answer is: It allows the use of the standard template library without prefix

The purpose of 'using namespace std;' is to allow the use of the standard template library without prefix. The other options are incorrect because B will import all libraries, not just the standard template library. C is incorrect because the 'using namespace std;' directive does not affect program compilation speed. D is incorrect because it does not define a new namespace, but rather allows access to the elements of the std namespace.

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