Java ArrayDeque.getFirst()
Syntax
ArrayDeque.getFirst() has the following syntax.
public E getFirst()
Example
In the following code shows how to use ArrayDeque.getFirst() method.
/* w w w . j av a2 s.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(1);
deque.add(18);
System.out.println(deque);
// getFirst() will retrieve element at first(head) position
int retval = deque.getFirst();
System.out.println("Retrieved Element is = " + retval);
}
}
The code above generates the following result.
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