Filtering is an operation where only elements that meet certain criteria pass through.
Kotlin Set filter Example
The following example presents the filtering operation on Kotlin sets.
package net.sourcecodeexamples.kotlin
fun main(args: Array<String>) {
val fruits = setOf("banana", "mango", "apple", "orange")
val fruits1 = fruits.filter { e -> e.length == 5 }
fruits1.forEach { e -> print("$e ") }
println()
val fruits2 = fruits.filterNot { e -> e.length == 5 }
fruits2.forEach { e -> print("$e ") }
println()
}
Output:
mango apple
banana orange
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