/Kotlin/Sort custom object list in kotlin

Sort custom object list in kotlin

Sort object list kotlin

val dates = mutableListOf(
	Date(2020, 4, 3),
	Date(2021, 5, 16),
	Date(2020, 1, 29)
)

println("--- ASC ---")
dates.sortWith(compareBy<Date> { it.year }.thenBy { it.month }.thenBy { it.day })
dates.forEach { println(it) }

Source: bezkoder.com

Sort custom object list in kotlin

val messages = mutableListOf<Message>(
                Message(from = "Tonnie", messageString = "Hi", timestamp = Date()),
                Message(from = "Victoria", messageString = "Miss You", timestamp = Date()))
                 messages.sortWith(compareBy { it.timestamp })

Sort object list kotlin

val dates = mutableListOf(
	Date(2020, 4, 3),
	Date(2021, 5, 16),
	Date(2020, 1, 29)
)

println("--- ASC ---")
val sortedDates = dates.sortedWith(compareBy<Date> { it.year }.thenBy { it.month }.thenBy { it.day })
dates.forEach { println(it) }
println("------")
sortedDates.forEach { println(it) }

Source: bezkoder.com

Sort object list kotlin

println("--- DESC ---")
val sortedDatesDescending =
	dates.sortedWith(compareBy<Date> { it.year }.thenBy { it.month }.thenBy { it.day }).reversed()
dates.forEach { println(it) }
println("------")
sortedDatesDescending.forEach { println(it) }

Source: bezkoder.com

Similar codes

4 votes263 views3 answers
How to create map in kotlin
Kotlin
21 votes336 views1 answer
Why was kotlin created
Kotlin
4 votes249 views1 answer
Format string kotlin
Kotlin
2 votes273 views1 answer
Kotlin network change listener android
Kotlin
0 vote250 views1 answer
Mockito kotlin inorder
Kotlin
2 votes247 views2 answers
Kotlin throws
Kotlin
0 vote252 views1 answer
Kotlin split by uppercase
Kotlin
3 votes231 views1 answer
Android custom AlertDialog theme
Kotlin
0 vote245 views1 answer
Kotlin split list by predicate
Kotlin
0 vote249 views1 answer
How to set all window background color in kotlin xml
Kotlin