ConcurrentLinkedDeque iterator() method in Java with Example
Last Updated :
24 Dec, 2018
The Java.util.concurrent.ConcurrentLinkedDeque.iterator() method is used to return an iterator of the same elements as that of the ConcurrentLinkedDeque. The elements are returned in random order from what was present in the deque.
Syntax:
Iterator iterate_value = ConcurrentLinkedDeque.iterator();
Parameters: The function does not take any parameter.
Return Value: The method iterates over the elements of the deque and returns the values(iterators).
Below program illustrates the use of Java.util.concurrent.ConcurrentLinkedDeque.iterator() method:
Example 1:
import java.util.concurrent.*;
import java.util.*;
public class ConcurrentLinkedDequeDemo {
public static void main(String args[])
{
ConcurrentLinkedDeque<String> deque
= new ConcurrentLinkedDeque<String>();
deque.add( "Welcome" );
deque.add( "To" );
deque.add( "Geeks" );
deque.add( "4" );
deque.add( "Geeks" );
System.out.println( "ConcurrentLinkedDeque: "
+ deque);
Iterator value = deque.iterator();
System.out.println( "The iterator values are: " );
while (value.hasNext()) {
System.out.println(value.next());
}
}
}
|
Output:
ConcurrentLinkedDeque: [Welcome, To, Geeks, 4, Geeks]
The iterator values are:
Welcome
To
Geeks
4
Geeks
Example 2: ConcurrentLinkedDeque with integer elements.
import java.util.concurrent.*;
import java.util.*;
public class ConcurrentLinkedDequeDemo {
public static void main(String args[])
{
ConcurrentLinkedDeque<Integer> deque
= new ConcurrentLinkedDeque<Integer>();
deque.add( 10 );
deque.add( 20 );
deque.add( 30 );
deque.add( 40 );
deque.add( 50 );
System.out.println( "ConcurrentLinkedDeque: "
+ deque);
Iterator value = deque.iterator();
System.out.println( "The iterator values are: " );
while (value.hasNext()) {
System.out.println(value.next());
}
}
}
|
Output:
ConcurrentLinkedDeque: [10, 20, 30, 40, 50]
The iterator values are:
10
20
30
40
50
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