You can edit and run Kotlin code directly in the Kotlin Playground and see the output. You can access it from a web browser, so you don't need to install any software on your computer. To practice the basics of the Kotlin language, you will use an interactive code editor called the Kotlin Playground. For example, a code editor shows autocomplete suggestions while you type, and displays error messages when code is incorrect. It's similar to a text editor in which you can write and edit text, but a code editor also provides functionality to help you write code more accurately. You use a tool called a code editor to write and edit your code.

When you modify the code in a program, the output can change. The step-by-step instructions for what the computer should do is called code. You can think of a program as a series of instructions for a computer or mobile device to perform some action, such as display a message to a user or calculate the cost of items in a shopping cart. In this codelab, you explore and modify simple programs in Kotlin. A computer with internet access and a web browser.How to modify a simple program to change the output.How to write and run a simple Kotlin program.Short programs in Kotlin that display messages when you run them.With the codelabs in this pathway, you will learn about Kotlin programming basics before diving into app creation. To get started on building Android apps in Kotlin, it's important to first establish a solid foundation of programming concepts in Kotlin. As a result, Kotlin is gaining momentum in the industry and is the language that the majority of professional Android developers use.

Essentially, with Kotlin, you can write better Android apps in a shorter amount of time. Apps that are built with Kotlin are also less likely to crash, resulting in a more stable and robust app for users. For example, Kotlin allows you to be more concise and write fewer lines of code for the same functionality compared to other programming languages. Kotlin is a modern programming language that helps developers be more productive. In this course, you will build apps by writing code in the Kotlin programming language, which is the language recommended by Google when creating new Android apps.