#include#include int main() { std::string first = "hello"; std::string second = "world"; std::string result = first + " " + second; std::cout << result << std::endl; return 0; }
#includeDescription: This example uses the append() function to concatenate the strings "hello" and "world". We create a variable called first and append a space and the second string to it. We use std::cout to print the result to the console. Package/Library: std::string#include int main() { std::string first = "hello"; std::string second = "world"; first.append(" "); first.append(second); std::cout << first << std::endl; return 0; }