The Java.util.ArrayDeque.iterator() method is used to return an iterator of the elements of the ArrayDeque.
Syntax:
Iterator iterate_value = Array_Deque.iterator();
Parameters: The method does not take any parameter.
Return Value: The method iterates over the elements of the deque and returns the values(iterator).
Below programs illustrate the Java.util.ArrayDeque.iterator() method:
Program 1:
// Java code to illustrate iterator()import java.util.*; public class ArrayDequeDemo { public static void main(String args[]) { // Creating an empty ArrayDeque Deque<String> de_que = new ArrayDeque<String>(); // Use add() method to add elements into the Queue de_que.add("Welcome"); de_que.add("To"); de_que.add("Geeks"); de_que.add("4"); de_que.add("Geeks"); // Displaying the ArrayDeque System.out.println("ArrayDeque: " + de_que); // Creating an iterator Iterator value = de_que.iterator(); // Displaying the values after iterating through the Deque System.out.println("The iterator values are: "); while (value.hasNext()) { System.out.println(value.next()); } }} |
Output:
ArrayDeque: [Welcome, To, Geeks, 4, Geeks] The iterator values are: Welcome To Geeks 4 Geeks
Program 2:
// Java code to illustrate iterator()import java.util.*; public class ArrayDequeDemo { public static void main(String args[]) { // Creating an empty ArrayDeque Deque<Integer> de_que = new ArrayDeque<Integer>(); // Use add() method to add elements into the Queue de_que.add(10); de_que.add(15); de_que.add(30); de_que.add(20); de_que.add(5); // Displaying the ArrayDeque System.out.println("ArrayDeque: " + de_que); // Creating an iterator Iterator value = de_que.iterator(); // Displaying the values after iterating through the Deque System.out.println("The iterator values are: "); while (value.hasNext()) { System.out.println(value.next()); } }} |
Output:
ArrayDeque: [10, 15, 30, 20, 5] The iterator values are: 10 15 30 20 5
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