/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

0 vote377 views1 answer
Variables en kotlin
Kotlin
0 vote377 views0 answer
Kotlin
6 votes401 views3 answers
Kotlin sleep
Kotlin
2 votes356 views1 answer
Kotlin read all bytes from inputstream
Kotlin
0 vote373 views1 answer
Kotlin scrollView scroll listener
Kotlin
1 vote396 views1 answer
Status bar color android kotlin
Kotlin
0 vote364 views1 answer
Viewpager2 android dependency
Kotlin
0 vote360 views1 answer
Mute the phone kotlin
Kotlin
0 vote415 views1 answer
Findviewbyid button kotlin
Kotlin
0 vote417 views1 answer
Kotlin collection to linked list
Kotlin