| 7 | |
| 8 | public class LinkedListFeatures { |
| 9 | public static void main(String[] args) { |
| 10 | LinkedList<Pet> pets = |
| 11 | new LinkedList<>(new PetCreator().list(5)); |
| 12 | System.out.println(pets); |
| 13 | // Identical: |
| 14 | System.out.println( |
| 15 | "pets.getFirst(): " + pets.getFirst()); |
| 16 | System.out.println( |
| 17 | "pets.element(): " + pets.element()); |
| 18 | // Only differs in empty-list behavior: |
| 19 | System.out.println("pets.peek(): " + pets.peek()); |
| 20 | // Identical; remove and return the first element: |
| 21 | System.out.println( |
| 22 | "pets.remove(): " + pets.remove()); |
| 23 | System.out.println( |
| 24 | "pets.removeFirst(): " + pets.removeFirst()); |
| 25 | // Only differs in empty-list behavior: |
| 26 | System.out.println("pets.poll(): " + pets.poll()); |
| 27 | System.out.println(pets); |
| 28 | pets.addFirst(new Rat()); |
| 29 | System.out.println("After addFirst(): " + pets); |
| 30 | pets.offer(new PetCreator().get()); |
| 31 | System.out.println("After offer(): " + pets); |
| 32 | pets.add(new PetCreator().get()); |
| 33 | System.out.println("After add(): " + pets); |
| 34 | pets.addLast(new Hamster()); |
| 35 | System.out.println("After addLast(): " + pets); |
| 36 | System.out.println( |
| 37 | "pets.removeLast(): " + pets.removeLast()); |
| 38 | } |
| 39 | } |
| 40 | /* Output: |
| 41 | [Rat, Manx, Cymric, Mutt, Pug] |