Let’s learn ArrayList Object toArray() method in java.
ArrayList Object toArray() method in java
Object[] toArray() method of ArrayList class returns an array containing all of the elements in this list in proper sequence (from first to last element). This method acts as bridge between array-based and collection-based APIs.
Syntax:
public Object[] toArray()
Specified by:
toArray() in Collection.
Now let’s see an example on ArrayList Object[] toArray() method.
import java.util.ArrayList; import java.util.List; public class ArrayListObjectToArrayMethodExample { public static void main(String[] args) { List<Integer> al = new ArrayList<Integer>(); al.add(12); al.add(14); al.add(16); al.add(18); al.add(20); Object[] obj = al.toArray(); for(Object num : obj) { System.out.print(num + " "); } } }
Output:
12 14 16 18 20
Also read – polymorphism in java