Contenuti del Corso

C++ Introduction

1. Getting Started

Introduction to C++ Programming Entry Point of a C++ Program Understanding the Standard Library and Files in C++Exploring C++ Preprocessor Directives Writing Your First C++ Program

2. Introduction to Operators

Mastering C++ Operators Arithmetic Operators Practice Relational Operators Logical Operators

3. Variables and Data Types

Data Types Understanding Variables Numerical Data Types Introduction to String Introduction to Arrays Working with the Array

4. Introduction to Program Flow

Conditional Statements Ternary Operator Switch Statement While Loop For Loop Practicing With Loops

5. Introduction to Functions

What are Functions?Type of Functions Return Statement in Functions Simple Function Practice

Writing Your First C++ Program

The traditional first program in any programming language is often a simple program that outputs the message to the console.

Input and Output

The most common way to output information to the console is by using iostream library. It stands for input/output stream. As we already know, to add library to our program we have to include it.

include


              1
            
#include <iostream>

Character output

The cout stream is part of the iostream library and is used for standard output.

cout


              1
            
std::cout << "Message";

std::: it means that the identifier is part of the standard library, which is organized under the std namespace;
cout: stands for character output and is used to send output;
<<: it is used to insert data into the standard output stream.

Comments

Comments are used for documentation and do not affect program execution. There are two types:

Single-line comments: Begin with // and extend to the end of the line;
Multi-line comments: Enclosed between /* and */.

comment


              12
            
// Outputs the "Message" in a console
std::cout << "Message";

Compito

Swipe to start coding

Write a program that outputs a custom message to the console. Ensure you include the necessary header file and use the correct syntax for displaying text.

Include the necessary header file for input and output operations.
Use std::cout to display a custom message.
End the statement with a semicolon (;).

Soluzione

solution

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Sezione 1. Capitolo 5

Writing Your First C++ Program

The traditional first program in any programming language is often a simple program that outputs the message to the console.

Input and Output

The most common way to output information to the console is by using iostream library. It stands for input/output stream. As we already know, to add library to our program we have to include it.

include


              1
            
#include <iostream>

Character output

The cout stream is part of the iostream library and is used for standard output.

cout


              1
            
std::cout << "Message";

std::: it means that the identifier is part of the standard library, which is organized under the std namespace;
cout: stands for character output and is used to send output;
<<: it is used to insert data into the standard output stream.

Comments

Comments are used for documentation and do not affect program execution. There are two types:

Single-line comments: Begin with // and extend to the end of the line;
Multi-line comments: Enclosed between /* and */.

comment


              12
            
// Outputs the "Message" in a console
std::cout << "Message";

Compito

Swipe to start coding

Write a program that outputs a custom message to the console. Ensure you include the necessary header file and use the correct syntax for displaying text.

Include the necessary header file for input and output operations.
Use std::cout to display a custom message.
End the statement with a semicolon (;).

Soluzione

solution

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Tutto è chiaro?

Grazie per i tuoi commenti!

Sezione 1. Capitolo 5

Cambia al desktop per esercitarti nel mondo realeContinua da dove ti trovi utilizzando una delle opzioni seguenti