- Java.util Package Classes
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- Java.util - ArrayDeque
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- Java.util - GregorianCalendar
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- Java.util - Hashtable
- Java.util - IdentityHashMap
- Java.util - LinkedHashMap
- Java.util - LinkedHashSet
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- Java.util - ListResourceBundle
- Java.util - Locale
- Java.util - Observable
- Java.util - PriorityQueue
- Java.util - Properties
- Java.util - PropertyPermission
- Java.util - PropertyResourceBundle
- Java.util - Random
- Java.util - ResourceBundle
- Java.util - ResourceBundle.Control
- Java.util - Scanner
- Java.util - ServiceLoader
- Java.util - SimpleTimeZone
- Java.util - Stack
- Java.util - StringTokenizer
- Java.util - Timer
- Java.util - TimerTask
- Java.util - TimeZone
- Java.util - TreeMap
- Java.util - TreeSet
- Java.util - UUID
- Java.util - Vector
- Java.util - WeakHashMap
- Java.util Package Extras
- Java.util - Interfaces
- Java.util - Exceptions
- Java.util - Enumerations
- Java.util Useful Resources
- Java.util - Useful Resources
- Java.util - Discussion
Java.util.ArrayDeque.peekLast() Method
Description
The java.util.ArrayDeque.peekLast() method retrieves the last element of this deque(but does not remove). Returns null if this deque is empty.
Declaration
Following is the declaration for java.util.ArrayDeque.peekLast() method
public E peekLast()
Parameters
NA
Return Value
This method returns the tail of this deque, or null if this deque is empty.
Exception
NA
Example
The following example shows the usage of java.util.ArrayDeque.peekLast() 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); // this will retrieve end value int retval = deque.peekLast(); System.out.println("Retrieved Element is " + retval); // printing all the elements available in deque for (Integer number : deque) { System.out.println("Number = " + number); } } }
Let us compile and run the above program, this will produce the following result −
Retrieved Element is 18 Number = 25 Number = 30 Number = 20 Number = 18
java_util_arraydeque.htm
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