Lesson 1

What Is C++?

Students write, compile, run, edit, and debug a first C++ program before using ESP32 hardware.

Whiteboard-style edit save compile run cycle

Video

Lesson video

Learn how source code, the compiler, and a runnable program fit into the edit, compile, run, and fix cycle.

Read or download the transcript

Students practice

Explain source code, compiler, program, compile, and run.
Identify main, braces, cout, semicolons, comments, and return 0.
Compile and run Hello World.
Edit printed output and run the program again.
Complete a short skill check.

Starter code

#include <iostream>

using namespace std;

int main() {
    cout << "Hello, world!" << endl;
    return 0;
}

Student downloads

Laptop setup book PDF Student workbook PDF Exercises PDF Starter code

What to turn in

A program that compiles and runs.
Edited terminal output.
One comment explaining the program.
The completed skill check or teacher-approved evidence.