Output

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;
}

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

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;
}

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

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Kursinnehåll

Introduction to C++ | Mobile-Friendly

1. Basics

Get Started Output New Lines Comments

2. Variables

Types of Variables Identifiers User Input Strings Simple Math Not Simple Math Increment (Prefix and Postfix)Constant

3. Conditional Statements

Booleans If Expression More Logical Operators Else Expression Else If Expression Short Forms Switch Statement The Keyword Default

4. Loops

While Loop Do/While Loop For Loop Break/Continue Statements

5. Intro to Arrays

Basic Concept of the Array Loops in Arrays Manipulations with Arrays