Search⌘ K
Home
Courses
C++ Fundamentals for Professionals

Comparison and Concatenation

Explore how to compare strings using standard operators and perform concatenation with the overloaded + operator in C++. Understand the rules for combining C++ and C strings correctly to manipulate string data effectively in your programs.

We'll cover the following...

Comparison

Strings support the well-known comparison operators ==, !=, <, >, >=. The comparison of two strings takes place on their elements.

C++
#include <iostream>
#include <string>
 
int main(){
 
  std::cout << std::boolalpha << std::endl;
 
  std::string first{"aaa"};
  std::string second{"aaaa"};
   
  std::cout << "first <  first :" << (first < first) << std::endl;
  std::cout << "first <=  first :" << (first <= first) << std::endl;
  std::cout << "first <  second :" << (first < second) << std::endl;
 
  std::cout << std::endl;
   
  std::string one{"1"};
  std::string oneOneOne= one+ std::string("1") +"1";
 
  std::cout << "1 + 1 + 1: " << oneOneOne << std::endl;
   
  std::cout << std::endl;
 
}

String

...