/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

1 vote387 views2 answers
Kotlin check if variable is initialized
Kotlin
1 vote429 views1 answer
Custom notificaiton with remote views not showing
Kotlin
1 vote382 views2 answers
Kotlin date to string
Kotlin
0 vote461 views1 answer
Android prevent screenshot in activity
Kotlin
0 vote381 views4 answers
Kotlin queue
Kotlin
1 vote338 views1 answer
Kotlin runblock
Kotlin
0 vote379 views1 answer
Kotlin gradle resources folder
Kotlin
0 vote341 views1 answer
Handler android kotlin
Kotlin
0 vote371 views1 answer
Java.lang.UnsupportedOperationException when i try to set value in Muttablelist kotlin
Kotlin
0 vote378 views1 answer
Update binding viewmodel
Kotlin