Open In App
Related Articles

Scala List takeWhile() method with example

Improve
Improve
Improve
Like Article
Like
Save Article
Save
Share
Report issue
Report
The takeWhile() method is utilized to find the elements from the list as long as the stated condition is satisfied.
Method Definition: def takeWhile(p: (A) => Boolean): List[A] Return Type: It returns the elements from the list as long as the stated condition is satisfied.
Example #1:
// Scala program of takeWhile()
// method
  
// Creating object
object GfG
  
    // Main method
    def main(args:Array[String])
    {
      
        // Creating a list
        val m1 = List(1, 2, 3, 4, 5, 7)
          
        // Applying takeWhile method
        val result = m1.takeWhile(_ < 5)
          
        // Displays output
        println(result)
      
    }
}

                    
Output:
List(1, 2, 3, 4)
Example #2:
// Scala program of takeWhile()
// method
  
// Creating object
object GfG
  
    // Main method
    def main(args:Array[String])
    {
      
        // Creating a list
        val m1 = List(1, 2, 3, 4, 5, 7)
          
        // Applying takeWhile method
        val result = m1.takeWhile(_ > 4)
          
        // Displays output
        println(result)
      
    }
}

                    
Output:
List()


Last Updated : 26 Jul, 2019
Like Article
Save Article
Previous
Next
Share your thoughts in the comments
Similar Reads