Java ArrayDeque.removeFirst()
Syntax
ArrayDeque.removeFirst() has the following syntax.
public E removeFirst()
Example
In the following code shows how to use ArrayDeque.removeFirst() method.
//w w w . jav a 2s .c o m
import java.util.ArrayDeque;
import java.util.Deque;
public class Main {
public static void main(String[] args) {
Deque<Integer> deque = new ArrayDeque<Integer> (8);
deque.add(3);
deque.add(2);
deque.add(25);
deque.add(40);
// this will remove element at the first(head) postion
int retval = deque.removeFirst();
System.out.println("Element removed is: " + retval);
System.out.println(deque);
}
}
The code above generates the following result.
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