What is the type of string literals in C/ C++?

The string literals are the set of characters which is enclosed in double quotes(“ “). Wide-string literals are prefixed with L always.

Types of string literals −

Here is an example of string literal in C++ language,

Example

 Live Demo

#include <cwchar>
#include <cwctype>
#include <iostream>

using namespace std;
int main() {

   wchar_t s[] = L"hello world!";
   wcout << L"The uppercase string : ”" << L"\"is ";

   for (int i = 0; i < wcslen(s); i++)
   putwchar(towupper(s[i]));

   return 0;
}

Output

Here is the output

The uppercase string : ""is HELLO WORLD!