Scala List init() method with example

The init() method is utilized to find all the elements of the list except the last one.

Method Definition: def init: List[A]

Return Type: It returns all the elements of the list except the last one.

Example #1:

// Scala program of init()
// method

// Creating object
object GfG
{

    // Main method
    def main(args:Array[String])
    {
        // Creating a list
        val m1 = List(3, 6, 2, 9, 21)

        // Applying init method
        val result = m1.init

        // Displays output
        println(result)

    }
}

Output:

List(3, 6, 2, 9)

Example #2:

// Scala program of init()
// method

// Creating object
object GfG
{

    // Main method
    def main(args:Array[String])
    {
        // Creating a list
        val m1 = List(3)

        // Applying init method
        val result = m1.init

        // Displays output
        println(result)

    }
}

Output:

List()