Free community version of IntelliJ IDEA download address: https://www.jetbrains.com/idea/download/index.html
After downloading and installing, we can use this tool to create projects. The creation process requires selecting
SDK
and using
Kotlin
with JDK 1.6+.
Check the Kotlin (Java) check box in the drop-down menu on the right.
Next, let’s choose a project name:
HelloWorld
After the project is created, the file structure is as follows, which is very similar to Java.
Next, let’s click
src
folder, creating a
Kotlin
file, which can be named at will, here we create
app.kt
Next, we are in
app.kt
to write some code in the file.
IntelliJ
IDEA
provides us with a template to do this quickly, just type
main
then press
Tab
,that’s it.
Now let’s add a line of code to print out
"Hello,
World!"
, let’s do it.
Next, we can click on the upper left corner of the editor.
kotlin
icon and select
Run
‘AppKt’ to run the code:
After running successfully, you can run it in the window
Run
, you can see the results in.
So the first
Kotlin
code is running.