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Get first and last elements from LinkedList Java example

  1. /*
  2.   Get first and last elements from LinkedList Java example
  3.   This java example shows how to get first and last element from Java LinkedList
  4.   using getFirst and getLast methods.
  5. */
  6.  
  7. import java.util.LinkedList;
  8.  
  9. public class GetFirstAndLastElementLinkedListExample {
  10.  
  11.   public static void main(String[] args) {
  12.  
  13.     //create LinkedList object
  14.     LinkedList lList = new LinkedList();
  15.    
  16.     //add elements to LinkedList
  17.     lList.add("1");
  18.     lList.add("2");
  19.     lList.add("3");
  20.     lList.add("4");
  21.     lList.add("5");
  22.    
  23.     /*
  24.      * To get first element from Java LinkedList, use
  25.      * Object getFirst() method.
  26.      *
  27.      * This method returns first element stored in LinkedList.
  28.      */
  29.    
  30.      System.out.println("First element of LinkedList is : " + lList.getFirst());
  31.  
  32.     /*
  33.      * To get last element from Java LinkedList, use
  34.      * Object getLast() method.
  35.      *
  36.      * This method returns last element stored in LinkedList.
  37.      */
  38.    
  39.      System.out.println("Last element of LinkedList is : " + lList.getLast());
  40.    
  41.    
  42.   }
  43. }
  44.  
  45. /*
  46. Output would be
  47. First element of LinkedList is : 1
  48. Last element of LinkedList is : 5
  49. */