48 lines
1.5 KiB
Java
48 lines
1.5 KiB
Java
|
//: containers/LinkedListFeatures.java
|
|||
|
|
// <20>2015 MindView LLC: see Copyright.txt
|
|||
|
|
import typeinfo.pets.*;
|
|||
|
|
import java.util.*;
|
|||
|
|
import static com.mindviewinc.util.Print.*;
|
|||
|
|
|
|||
|
|
public class LinkedListFeatures {
|
|||
|
|
public static void main(String[] args) {
|
|||
|
|
LinkedList<Pet> pets =
|
|||
|
|
new LinkedList<>(Pets.arrayList(5));
|
|||
|
|
print(pets);
|
|||
|
|
// Identical:
|
|||
|
|
print("pets.getFirst(): " + pets.getFirst());
|
|||
|
|
print("pets.element(): " + pets.element());
|
|||
|
|
// Only differs in empty-list behavior:
|
|||
|
|
print("pets.peek(): " + pets.peek());
|
|||
|
|
// Identical; remove and return the first element:
|
|||
|
|
print("pets.remove(): " + pets.remove());
|
|||
|
|
print("pets.removeFirst(): " + pets.removeFirst());
|
|||
|
|
// Only differs in empty-list behavior:
|
|||
|
|
print("pets.poll(): " + pets.poll());
|
|||
|
|
print(pets);
|
|||
|
|
pets.addFirst(new Rat());
|
|||
|
|
print("After addFirst(): " + pets);
|
|||
|
|
pets.offer(Pets.randomPet());
|
|||
|
|
print("After offer(): " + pets);
|
|||
|
|
pets.add(Pets.randomPet());
|
|||
|
|
print("After add(): " + pets);
|
|||
|
|
pets.addLast(new Hamster());
|
|||
|
|
print("After addLast(): " + pets);
|
|||
|
|
print("pets.removeLast(): " + pets.removeLast());
|
|||
|
|
}
|
|||
|
|
} /* Output:
|
|||
|
|
[Rat, Manx, Cymric, Mutt, Pug]
|
|||
|
|
pets.getFirst(): Rat
|
|||
|
|
pets.element(): Rat
|
|||
|
|
pets.peek(): Rat
|
|||
|
|
pets.remove(): Rat
|
|||
|
|
pets.removeFirst(): Manx
|
|||
|
|
pets.poll(): Cymric
|
|||
|
|
[Mutt, Pug]
|
|||
|
|
After addFirst(): [Rat, Mutt, Pug]
|
|||
|
|
After offer(): [Rat, Mutt, Pug, Cymric]
|
|||
|
|
After add(): [Rat, Mutt, Pug, Cymric, Pug]
|
|||
|
|
After addLast(): [Rat, Mutt, Pug, Cymric, Pug, Hamster]
|
|||
|
|
pets.removeLast(): Hamster
|
|||
|
|
*///:~
|