Scala Stack last() method with example

Scala List takeWhile() method with example

Last Updated : 26 Jul, 2019

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()

Scala Stack last() method with example

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