/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 vote174 views3 answers
Kotlin hello world
Kotlin
2 votes186 views1 answer
Android garbage collection
Kotlin
0 vote169 views1 answer
Reset untracked files
Kotlin
1 vote168 views1 answer
Typeerror: undefined is not an object (evaluating
Kotlin
0 vote188 views1 answer
How to get function name in kotlin
Kotlin
2 votes216 views1 answer
Java.lang.RuntimeException: Cannot create an instance of class ViewModel
Kotlin
2 votes175 views1 answer
Kotlin read all bytes from inputstream
Kotlin
1 vote162 views1 answer
Kotlin json
Kotlin
1 vote171 views1 answer
Nullpointerexception kotlin
Kotlin
0 vote290 views1 answer
Cannot create an instance of class viewmodel kotlin
Kotlin