C++ is an actively used programming language created in 1985. C++ ( pronounced cee plus plus) is a general-purpose programming language. It has imperative, object-oriented and generic programming features, while also providing facilities for low-level memory manipulation. It was designed with a bias toward system programming and embedded, resource-constrained and large systems, with performance, efficiency and flexibility of use as its design highlights. Read more on Wikipedia...

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Example code from the Hello World Collection:

// Hello World in C++ (pre-ISO)

#include <iostream.h>

main()
{
    cout << "Hello World!" << endl;
    return 0;
}

Example code from Linguist:

#include <cstdint>

namespace Gui
{

}

Example code from Wikipedia:

1 #include <iostream>
2 #include <vector>
3 #include <stdexcept>
4 
5 int main() {
6     try {
7         std::vector<int> vec{3, 4, 3, 1};
8         int i{vec.at(4)}; // Throws an exception, std::out_of_range (indexing for vec is from 0-3 not 1-4)
9     }
10     // An exception handler, catches std::out_of_range, which is thrown by vec.at(4)
11     catch (std::out_of_range &e) {
12         std::cerr << "Accessing a non-existent element: " << e.what() << '\n';
13     }
14     // To catch any other standard library exceptions (they derive from std::exception)
15     catch (std::exception &e) {
16         std::cerr << "Exception thrown: " << e.what() << '\n';
17     }
18     // Catch any unrecognised exceptions (i.e. those which don't derive from std::exception)
19     catch (...) {
20         std::cerr << "Some fatal error\n";
21     }
22 }

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Last updated November 16th, 2019