What is the hashSetOf() method in Kotlin?
The hashSetOf() method in Kotlin is used to create a mutable hashset. A mutable hashset allows both read and write operations.
Syntax
The hashSetOf() method can be declared as shown below:
fun <T> hashSetOf()(vararg elements: T): HashSet<T>
elements: The elements to be added to the hashset.
Return value
The hashSetOf() method returns a mutable hashset containing the specified elements.
Example
Consider the code snippet below, which demonstrates the use of the hashSetOf() method.
fun main(args: Array<String>){val set1 = hashSetOf("aa", "bb", "cc");println(set1)}
Explanation
The hashSetOf() method in line 3 creates a mutable hashset of the three elements declared as parameters.