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Scala Stack push() method with example

  • Last Updated : 03 Nov, 2019

In Scala Stack class, the push() method is utilized to add an element on the top of the stack.

Method Definition: def push(elem: A): Stack.this.type

Return Type: It adds an element on the top of the stack.

Example #1:




// Scala program of push() 
// method 
  
import scala.collection.mutable.Stack 
  
// Creating object 
object GfG 
      
    // Main method 
    def main(args:Array[String]) 
    
          
        // Creating a stack
        var s = Stack[Int]() 
  
        // Applying push method
        s.push(1)
        s.push(2
        s.push(3
        s.push(4)
          
        // Print the Stack
        println(s) 
  
    
Output:
Stack(4, 3, 2, 1)

Example #2:




// Scala program of push() 
// method 
  
import scala.collection.mutable.Stack 
  
// Creating object 
object GfG 
      
    // Main method 
    def main(args:Array[String]) 
    
          
        // Creating a stack
        var s = Stack[String]() 
  
        // Applying push method
        s.push("C++")
        s.push("Java"
        s.push("Python"
        s.push("Scala")
          
        // Print the Stack
        println(s) 
  
    
Output:
Stack(Scala, Python, Java, C++)



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