The Arduino IDE provides a sample sketch with a simple program outline in a text window when you first open it. There are also a vast array of code samples under the File->Examples submenu item.

you also get a sample code integrating all your components. This means you no longer have to dive into your components' spec sheets just to learn how to connect and program them with an Arduino ...

I love to read through project suggestions and examples for the Arduino and other ... The chapters include example code, also available on GitHub, and step-by-step instructions for making ...