Stack elementAt() method in Java with Example

The Java.util.Stack.elementAt(int pos) method is used to fetch or retrieve an element at a specific index from a Stack.

Syntax:

Stack.elementAt(int pos)

Parameters: This method accepts a mandatory parameter pos of integer data type that specifies the position or index of the element to be fetched from the Stack.



Return Value: The method returns the element present at the position specified by the parameter pos.

Below programs illustrate the Java.util.Stack.get() method:

Program 1:

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// Java code to illustrate elementAt() method
import java.util.Stack;
  
public class StackDemo {
    public static void main(String args[])
    {
  
        // Creating an empty Stack
        Stack<String> stack = new Stack<String>();
  
        // Use add() method to add elements in the Stack
        stack.add("Geeks");
        stack.add("for");
        stack.add("Geeks");
        stack.add("10");
        stack.add("20");
  
        // Displaying the Stack
        System.out.println("Stack: "
                           + stack);
  
        // Fetching the specific element from the Stack
        System.out.println("The element is: "
                           + stack.elementAt(3));
    }
}

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Output:


Stack: [Geeks, for, Geeks, 10, 20]
The element is: 10





Program 2:











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// Java code to illustrate elementAt() method 


import java.util.Stack; 


  


public class StackDemo { 


    public static void main(String args[]) 


    { 


  


        // Creating an empty Stack 


        Stack<Integer> stack = new Stack<Integer>(); 


  


        // Use add() method to add elements in the Stack 


        stack.add(1); 


        stack.add(2); 


        stack.add(3); 


        stack.add(4); 


        stack.add(5); 


  


        // Displaying the Stack 


        System.out.println("Stack: " + stack); 


  


        // Fetching the specific element from the Stack 


        System.out.println("The element is: "


                           + stack.elementAt(1)); 


    } 


} 



















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Output:


Stack: [1, 2, 3, 4, 5]
The element is: 2






          
          
          
          

            

    

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