#include #include #include int main() { // C++ uses double quotes for strings and single quotes for characters. std::string simple_string = "This is a simple string"; char letter = 'A'; std::cout << simple_string << " " << letter << std::endl; // C++ can implement multiline strings. std::string multiline_string = R"( An example of multi-line string. Text formatting is preserved. This is a raw string literal, introduced in C++ 11.)"; std::cout << multiline_string << std::endl; // C++'s primitive data types: bool, char, double, float, int, long, short, // can be used to to store data, for example, const int block_length = 64; std::cout << "block length = " << block_length << std::endl; // Vectors of these data types are also possible, for example, std::vector state = { 1.0, 2.0, 3.0 }; }