Scala Set apply() method with example

The apply() method is utilized to test if some elements are exist in the set.

Method Definition: def apply(elem: A)

Return Type: It returns true if some elements are present in the set else it returns false.

Example #1:

// Scala program of apply()
// method

// Creating object
object GfG
{

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

        // Creating sets
        val s1 = Set(1, 2, 3, 4, 5)

        // Applying apply method
        val result = s1.apply(3)

        // Displays output
        println(result)

    }
}

Output:

true

Example #2:

// Scala program of apply()
// method

// Creating object
object GfG
{

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

        // Creating sets
        val s1 = Set(1, 2, 3, 4, 5)

        // Applying apply method
        val result = s1.apply(10)

        // Displays output
        println(result)

    }
}

Output:

false