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C Language > Learn C Language > What does 'using namespace std' mean in C++?
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What does 'using namespace std' mean in C++?

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"Transforming your struggles into success"

`using namespace std` in C++ allows direct access to the standard library's features (like `cout`, `cin`) without needing to prefix them with `std::`.
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The std namespace in C++ contains many standard library components, including data types, functions, and objects. When you write using namespace std;, you're essentially telling the compiler to consider all the names in the std namespace as if they're in the global namespace.
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"Rajesh Kumar N: Guiding Young Minds from 1 to 12 with Expertise and Care"

using namespace std; allows the use of names from the C++ Standard Library without needing to prefix them with std::.
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