Notice: This page requires JavaScript to function properly.
Please enable JavaScript in your browser settings or update your browser.
Leer Output | Basics
Introduction to C++

bookOutput

To print something in C++ we will use the object cout with the operator <<. The message you want to output must be enclosed with double quotes. For example:

1234567
#include &lt;iostream&gt; using namespace std; int main() { &nbsp&nbsp&nbsp&nbspcout << "I love C++!"; &nbsp&nbsp&nbsp&nbspreturn 0; }
copy

To get the same result, you can also write the code without using namespace std:

#include <iostream>

int main() {
    std::cout << "I love C++!";
    return 0;
}

Pay attention that you can use the multiple insertion operator and add as many cout objects as you want:

12345678
#include &lt;iostream&gt; using namespace std; int main() { &nbsp&nbsp&nbsp&nbspcout << "I love programming! "; &nbsp&nbsp&nbsp&nbspcout << "I love C++" << " and " << "Python!"; &nbsp&nbsp&nbsp&nbspreturn 0; }
copy

Every cout object or << operator doesn’t write your code to a new line.

question-icon

Print the message "Have a good day!":

#include <iostream>
using namespace std;

int main() {
    
<< "Have a good day!";
    return 0;
}
Have a good day!

Was alles duidelijk?

Hoe kunnen we het verbeteren?

Bedankt voor je feedback!

Sectie 1. Hoofdstuk 2

Vraag AI

expand

Vraag AI

ChatGPT

Vraag wat u wilt of probeer een van de voorgestelde vragen om onze chat te starten.

Suggested prompts:

Stel mij vragen over dit onderwerp

Vat dit hoofdstuk samen

Toon voorbeelden uit de praktijk

Awesome!

Completion rate improved to 3.33

bookOutput

Veeg om het menu te tonen

To print something in C++ we will use the object cout with the operator <<. The message you want to output must be enclosed with double quotes. For example:

1234567
#include &lt;iostream&gt; using namespace std; int main() { &nbsp&nbsp&nbsp&nbspcout << "I love C++!"; &nbsp&nbsp&nbsp&nbspreturn 0; }
copy

To get the same result, you can also write the code without using namespace std:

#include <iostream>

int main() {
    std::cout << "I love C++!";
    return 0;
}

Pay attention that you can use the multiple insertion operator and add as many cout objects as you want:

12345678
#include &lt;iostream&gt; using namespace std; int main() { &nbsp&nbsp&nbsp&nbspcout << "I love programming! "; &nbsp&nbsp&nbsp&nbspcout << "I love C++" << " and " << "Python!"; &nbsp&nbsp&nbsp&nbspreturn 0; }
copy

Every cout object or << operator doesn’t write your code to a new line.

question-icon

Print the message "Have a good day!":

#include <iostream>
using namespace std;

int main() {
    
<< "Have a good day!";
    return 0;
}
Have a good day!

Was alles duidelijk?

Hoe kunnen we het verbeteren?

Bedankt voor je feedback!

Sectie 1. Hoofdstuk 2
some-alt