Scala List dropWhile() method with example

The dropWhile() method is utilized to drops the longest prefix of elements that satisfies the stated condition.

Method Definition: def dropWhile(p: (A) => Boolean): List[A]

Return Type: It returns all the elements of the list except the dropped ones.

Example #1:

// Scala program of dropWhile()
// method

// Creating object
object GfG
{

    // Main method
    def main(args:Array[String])
    {

        // Creating a list
        val m1 = List(1, 3, 5, 4, 2)

        // Applying dropWhile method
        val res = m1.dropWhile(x=>{x % 2 != 0})

        // Displays output
        println(res)

    }
}

Output:

List(4, 2)

Example #2:

// Scala program of dropWhile()
// method

// Creating object
object GfG
{

    // Main method
    def main(args:Array[String])
    {

        // Creating a list
        val m1 = List(3, 6, 5, 4, 2)

        // Applying dropWhile method
        val res = m1.dropWhile(x=>{x % 3 == 0})

        // Displays output
        println(res)

    }
}

Output:

List(5, 4, 2)