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Java Example - Get the first and last element of a linked list (LinkedList)

黄舟

Release： 2017-01-22 16:16:05

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The following example demonstrates how to use linkedlistname.getFirst() and linkedlistname.getLast() of the LinkedList class to obtain the first and last elements of the linked list:

/*
 author by w3cschool.cc
 Main.java
 */import java.util.LinkedList;public class Main {
   public static void main(String[] args) {
      LinkedList lList = new LinkedList();
      lList.add("100");
      lList.add("200");
      lList.add("300");
      lList.add("400");
      lList.add("500");
      System.out.println("链表的第一个元素是：" + lList.getFirst());
      System.out.println("链表的第二个元素是：" + lList.getLast());
   }}

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The output result of running the above code is:

链表的第一个元素是：100
链表的第二个元素是：500

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Related labels：

Java ，链表，元素

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