22. E peekFirst()
22. E peekFirst()
Retrieves, but does not remove, the first element of this list, or returns null if this list is empty.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 | package com.spy.method.LinkedList; import java.util.LinkedList; public class Peekfirst { public static void main(String[] args) { LinkedList<String> list=new LinkedList<String>(); //Adding element into LinkedList list.add("Bhavesh"); list.add("Abhi"); list.add("vivek"); list.add("milan"); //Retrieving Linkedlist Element for (String s : list) { System.out.println(s); } //getting first element from list String f=list.peekFirst(); System.out.println("First element: "+f); } } |
output
1 2 3 4 5 | Bhavesh
Abhi
vivek
milan
First element: Bhavesh |