The name of the language, written "C++" and pronounced "see plus plus", signifies the fact that the language evolved from C. It was suggested by Rick Mascitti in mid-1983, about the time the language was first used outside a research organization. Earlier the language had been referred to simply as "C with Classes".
The name is an inspired pun, which plays on an idiom of C (where the double plus sign is an operator that has the effect of incrementing the value of a variable) along with the common naming convention of appending a single plus to indicate an enhanced version. According to Stroustrup: " '++' is the C increment operator...the name signifies the evolutionary nature of the changes from C". Employing the pun also avoided the problem that "C+" had already been used for an unrelated language (not to mention that it is commonly associated with an evaluation of less than stellar academic performance).
Some C purists, noting that in C the value of the expression "C++" is actually the original, unchanged value of "C", have suggested that "++C" would have been a more accurate name. (If x=3, then if you say "y=x++" you end up with y equals 3, x equals 4. If you say "y=++x" you end up with y equals 4, x equals 4.)
Bjarne Stroustrup maintains a [list] of frequently asked questions about the language.
#include <iostream>
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int main()
{
std::cout << "Hello, world!" << std::endl;
return 0;
}