/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 votes201 views5 answers
Kotlin delay
Kotlin
0 vote208 views1 answer
Kotlin swipe listener
Kotlin
2 votes261 views1 answer
Kotlin access variable from another class
Kotlin
0 vote226 views1 answer
Button inside a recycle view in android in kotlin
Kotlin
0 vote203 views2 answers
Kotlin filter map by key
Kotlin
0 vote224 views1 answer
Kotlin repeat n times
Kotlin
0 vote214 views1 answer
Reverse string kotlin
Kotlin
0 vote210 views1 answer
Kotlin split by uppercase
Kotlin
1 vote246 views1 answer
Detected multiple kotlin daemon sessions at build/kotlin/sessions
Kotlin
1 vote202 views2 answers
Kotlin date to string
Kotlin