Stack toArray() method in Java with Example

The toArray() method of Stack class in Java is used to form an array of the same elements as that of the Stack. Basically, it copies all the element from a Stack to a new array.

Syntax:

Object[] arr = Stack.toArray()

Parameters: The method does not take any parameters.

Return Value: The method returns an array containing the elements similar to the Stack.

Below programs illustrate the Stack.toArray() method:

Program 1:

filter_none

edit
close

play_arrow

link
brightness_4
code

// Java code to illustrate toArray()
  
import java.util.*;
  
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 into the Stack
        stack.add("Welcome");
        stack.add("To");
        stack.add("Geeks");
        stack.add("For");
        stack.add("Geeks");
  
        // Displaying the Stack
        System.out.println("The Stack: " + stack);
  
        // Creating the array and using toArray()
        Object[] arr = stack.toArray();
  
        System.out.println("The array is:");
        for (int j = 0; j < arr.length; j++)
            System.out.println(arr[j]);
    }
}

chevron_right


Output:

The Stack: [Welcome, To, Geeks, For, Geeks]
The array is:
Welcome
To
Geeks
For
Geeks

Program 2:

filter_none

edit
close

play_arrow

link
brightness_4
code

// Java code to illustrate toArray()
  
import java.util.*;
  
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 into the Stack
        stack.add(10);
        stack.add(15);
        stack.add(30);
        stack.add(20);
        stack.add(5);
        stack.add(25);
  
        // Displaying the Stack
        System.out.println("The Stack: " + stack);
  
        // Creating the array and using toArray()
        Object[] arr = stack.toArray();
  
        System.out.println("The array is:");
        for (int j = 0; j < arr.length; j++)
            System.out.println(arr[j]);
    }
}

chevron_right


Output:

The Stack: [10, 15, 30, 20, 5, 25]
The array is:
10
15
30
20
5
25


My Personal Notes arrow_drop_up

Check out this Author's contributed articles.

If you like GeeksforGeeks and would like to contribute, you can also write an article using contribute.geeksforgeeks.org or mail your article to contribute@geeksforgeeks.org. See your article appearing on the GeeksforGeeks main page and help other Geeks.

Please Improve this article if you find anything incorrect by clicking on the "Improve Article" button below.