Java LinkedList pollFirst Example
LinkedList class pollFirst method example. This example shows you how to use pollFirst method.
LinkedList class pollFirst method example.public LinkedList pollFirst() Retrieves and removes the first element of this list, or returns null if this list is empty.
Here is the code
/**
* @ # PollFirst.java
* A class repersenting use to pollFirst method of LinkedList class in java.util package
* version 15 May 2008
* author Rose India
*/
import java.util.*;
public class PollFirst {
public static void main(String args[]) {
LinkedList list = new LinkedList();
int i = 11;
String str = "Rose";
//Add the specified element to the end of this list.
list.add(i);
list.add(str);
//Remove and display first element
System.out.println("Remove first element = " + list.pollFirst());
System.out.println("list = " + list);
}
} |
Output
Remove first element = 11
list = [Rose] |
|
