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AbstractSequentialList toArray() method in Java with Example

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  • Last Updated : 24 Dec, 2018
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The toArray() method of Java AbstractSequentialList is used to form an array of the same elements as that of the AbstractSequentialList. Basically, it copies all the element from a AbstractSequentialList to a new array.

Syntax:

Object[] arr = AbstractSequentialList.toArray()

Parameters: The method does not take any parameters.

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

Below programs illustrate the AbstractSequentialList.toArray() method:

Program 1:




// Java code to illustrate toArray()
  
import java.util.*;
  
public class AbstractSequentialListDemo {
    public static void main(String args[])
    {
        // Creating an empty AbstractSequentialList
        AbstractSequentialList<String>
            abs_col = new LinkedList<String>();
  
        // Use add() method to add
        // elements into the AbstractSequentialList
        abs_col.add("Welcome");
        abs_col.add("To");
        abs_col.add("Geeks");
        abs_col.add("For");
        abs_col.add("Geeks");
  
        // Displaying the AbstractSequentialList
        System.out.println("The AbstractSequentialList: "
                           + abs_col);
  
        // Creating the array and using toArray()
        Object[] arr = abs_col.toArray();
  
        System.out.println("The array is:");
        for (int j = 0; j < arr.length; j++)
            System.out.println(arr[j]);
    }
}

Output:

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

Program 2:




// Java code to illustrate toArray()
  
import java.util.*;
  
public class AbstractSequentialListDemo {
    public static void main(String args[])
    {
        // Creating an empty AbstractSequentialList
        AbstractSequentialList<Integer>
            abs_col = new LinkedList<Integer>();
  
        // Use add() method to add
        // elements into the AbstractSequentialList
        abs_col.add(10);
        abs_col.add(15);
        abs_col.add(30);
        abs_col.add(20);
        abs_col.add(5);
        abs_col.add(25);
  
        // Displaying the AbstractSequentialList
        System.out.println("The AbstractSequentialList: "
                           + abs_col);
  
        // Creating the array and using toArray()
        Object[] arr = abs_col.toArray();
  
        System.out.println("The array is:");
        for (int j = 0; j < arr.length; j++)
            System.out.println(arr[j]);
    }
}

Output:

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

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