The java.util.ArrayDeque.toArray() method returns an array containing all of the elements in this deque in proper sequence.
Following is the declaration for java.util.ArrayDeque.toArray() method
public Object[] toArray()
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This method returns an array containing all of the elements in this deque.
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The following example shows the usage of java.util.ArrayDeque.toArray() method.
package com.tutorialspoint; import java.util.ArrayDeque; import java.util.Deque; public class ArrayDequeDemo { public static void main(String[] args) { // create an empty array deque with an initial capacity Deque<Integer> deque = new ArrayDeque<Integer>(8); // use add() method to add elements in the deque deque.add(15); deque.add(20); deque.add(25); deque.add(18); // let us print all the elements available in deque for (Integer number : deque) { System.out.println("Number = " + number); } // printing the array length of elements added above Object[] ob = deque.toArray(); System.out.println("\n Array Size : " + ob.length); } }
Let us compile and run the above program, this will produce the following result −
Number = 15 Number = 20 Number = 25 Number = 18 Array Size : 4