Kotlin Learning Series (1)-Environment Construction

Foreword

When we learn a language, we must first look at its official website. The most authoritative and accurate
Kotlin official website.

We slide to the bottom and find that there are 4 IDE integration methods. The first two we use are the first two.

Development environment- IntelliJ IDEA

First of all, Kotlinthis language IntelliJ IDEAis produced by a company, so it has a built Kotlin- in plug - in, no installation is required, and a new version will only need to be updated in the future, so that we can directly create a Kotlinproject

1. Create Project File-> New Select Kotlin | JVM | IDEA
   
2. Enter the project name and select the version number
   
   
3. Create Kotlinfile

Here we call it. HelloWorld

In the mainfunction we print a sentence

and then click the triangle on the left to run

Development environment- AndroidStudio

We usually Androiduse AndroidStudioit when developing projects . It is based on it IntelliJ IDEA. From the AndroidStudio 3.0beginning, there is a built Kotlin- in plug - in, no installation is required, but it can only create Androidprojects, and we want our project support Kotlinto take only two steps

gradleAdd kotlincompilation plugin
gradleAdd kotlinstandard library dependencies

We can choose the language when creating a Kotlinproject , we first create a project directly

Here we choose Kotlin, click Finish, and wait for the compilation to complete.

Then we take a look at our gradle
first look at the entire project and then take a

look app.

We can see that the part I circled with the red box is how can I use what Kotlinneeds to be added