Java LinkedBlockingDeque iterator() method

The iterator() method of LinkedBlockingDeque class returns an iterator across the elements of this deque in the appropriate order. The elements returned will be in the order from head to tail.

Syntax:

Parameters:

Specified By:

The iterator() method of LinkedBlockingDeque class is specified by:

iterator() method in interface Iterable<E>.
iterator() method in interface Collection<E>.
iterator() method in interface BlockingDeque<E>.
iterator() method in interface Deque<E>.
iterator() method in class AbstractCollection<E>.

Return Value:

The iterator() method returns an iterator across the elements if this deque in the appropriate order.

Example 1

import java.util.Iterator;
import java.util.concurrent.LinkedBlockingDeque;
public class LinkedBlockingDequeIteratorExample1 {
    static int i = 1;
    public static void main(String[] args) {
        int capacity = 100;
        LinkedBlockingDeque<String> deque = new LinkedBlockingDeque<String>(capacity);
        deque.add("Ram");
        deque.add("Sham");
        deque.add("Mira");
        deque.add("Rajesh");
        Iterator<String> iterator = deque.iterator();
        //Returns an iterator over the elements
        while (iterator.hasNext()) {
            System.out.println(i++ + "." + iterator.next());
        }
    }
}

Test it Now

Output:

1.Ram
2.Sham
3.Mira
4.Rajesh

Example 2

import java.util.Iterator;
import java.util.concurrent.LinkedBlockingDeque;
public class LinkedBlockingDequeIteratorExample2 {
    public static void main(String[] args) {
        LinkedBlockingDeque<Character> deque = new LinkedBlockingDeque<Character>();
        for (char c = 'A'; c <= 'Z'; c++) {
            deque.add(c);
        }
        System.out.print("Characters : ");
        System.out.print("[");
        Iterator<Character> iterator = deque.iterator();
        while (iterator.hasNext()) {
            System.out.print(iterator.next()+" ,");
        }
        System.out.println("]");
    }
}

Test it Now

Output:

Characters : [A ,B ,C ,D ,E ,F ,G ,H ,I ,J ,K ,L ,M ,N ,O ,P ,Q ,R ,S ,T ,U ,V ,W ,X ,Y ,Z ,]

Example 3

import java.util.Collections;
import java.util.Iterator;
import java.util.concurrent.LinkedBlockingDeque;
public class LinkedBlockingDequeIteratorExample3 {
    public static void main(String[] args) {
        Integer[] val = {0, 1};
        LinkedBlockingDeque<Integer> deque = new LinkedBlockingDeque<Integer>();
        deque.add(71018);
        deque.add(8000);
        deque.add(1178);
        deque.add(1190);
        //Returns an iterator over the elements
        Iterator<Integer> iterator = deque.iterator();
        while(iterator.hasNext()){
            System.out.println(iterator.next());
            val[0] = Collections.max(deque);
            val[1] = Collections.min(deque);
        }
        System.out.println("Max number = "+ val[0]);
        System.out.println("Min number = "+ val[1]);
    }
}

Test it Now

Output:

71018
8000
1178
1190
Max number = 71018
Min number = 1178

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Java LinkedBlockingDeque iterator() method

Syntax:

Parameters:

Specified By:

Return Value:

Example 1

Example 2

Example 3

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