CODEWITHSUNDEEP
kotlin
Rgfvfk Iff
Rgfvfk Iff

Reputation: 1609

Kotlin convert String to Iterable

I have an iterable of People that I save as a string after converting from json. I want to know how would I convert the string back to a list.

// Save data
val peopleString = myList.toString()

// String saved is
[People(name=john, age=23), People(name=mary, age=21), People(name=george, age=11)]

Now is it possible to convert peopleString back to a list?

val peopleList: List<People> = peopleString.?

Upvotes: 1

Views: 546

Answers (1)

JDB
JDB

Reputation: 25810

In short, no... kind of.

Your output is not JSON, and toString() is the wrong function to use if you wanted JSON. The output of toString() is not a proper serialization format that can be understood and used to rebuild the original data structure.

Converting a data structure into some format so that it can be transmitted and later rebuilt is known as serialization. Kotlin has a serializer which can serialize objects into a number of different formats, including JSON: https://github.com/Kotlin/kotlinx.serialization#quick-example.

It's not as easy to use as toString(), but that's to be expected as toStrings's purpose is very different from serialization.

Upvotes: 2

Related Questions