Kotlin tips #1 : Avoid ArrayOutOfBoundException

Hey ! I found a very useful Kotlin function recently :

getOrNull - Kotlin Programming Language

No need to check by hand if the position is within the array bound, now you can process like below :

Okay, let me show you another one. Now what if you want to put fruits[position] in a val, and want a default value if the position is out of bound ?

getOrElse - Kotlin Programming Language

Here is what is gives with our previous example:

As you can see, the second argument is a lambda function, allowing you to do something depending on the position:

I hope this will helps you to write more concise code with Kotlin !

Cheers