The java.util.ArrayDeque.getLast() method retrieves, but does not remove, the last element of this deque.
Following is the declaration for java.util.ArrayDeque.getLast() method
public E getLast()
NA
This method returns the tail of this deque.
NoSuchElementException − if this deque is empty.
The following example shows the usage of java.util.ArrayDeque.getLast() method.
package com.tutorialspoint; import java.util.ArrayDeque; import java.util.Deque; public class ArrayDequeDemo { public static void main(String[] args) { // create an empty array deque with an initial capacity Deque<Integer> deque = new ArrayDeque<Integer>(8); // use add() method to add elements in the deque deque.add(25); deque.add(30); deque.add(20); deque.add(18); // let us print all the elements available in deque for (Integer number : deque) { System.out.println("Number = " + number); } // getLast() will retrieve element at last position int retval = deque.getLast(); System.out.println("Retrieved Element is = " + retval); } }
Let us compile and run the above program, this will produce the following result −
Number = 25 Number = 30 Number = 20 Number = 18 Retrieved Element is = 18