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Scala Stack top() method with example

  • Last Updated : 03 Nov, 2019

In Scala Stack class, the top() method is utilized to return the top element of the stack.

Method Definition: def top: A

Return Type: It returns the top element of the stack.

Example #1:




// Scala program of top() 
// method 
  
// Import Stack 
import scala.collection.mutable._
  
// Creating object 
object GfG 
  
    // Main method 
    def main(args:Array[String]) 
    
      
        // Creating stack
        val s1 = Stack(1, 3, 2, 7, 6, 5
          
        // Print the stack 
        println(s1
           
        // Applying top method  
        val result = s1.top 
          
        // Display output 
        print("Top element of the stack: " + result) 
         
    
Output:
Stack(1, 3, 2, 7, 6, 5)
Top element of the stack: 1

Example #2:




// Scala program of top() 
// method 
  
// Import Stack 
import scala.collection.mutable._
  
// Creating object 
object GfG 
  
    // Main method 
    def main(args:Array[String]) 
    
      
        // Creating stack
        val s1 = Stack(5, 3, 2, 7, 6, 1
          
        // Print the stack 
        println(s1
           
        // Applying top method  
        val result = s1.top 
          
        // Display output 
        print("Top element of the stack: " + result) 
         
    
Output:
Stack(5, 3, 2, 7, 6, 1)
Top element of the stack: 5



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