ED Ficha 2 Exer 1

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package ed_ficha02;

/**
 *
 * @author franc
 */
public class LinkedList<T> {

    Node head;
    Node tail;

    public LinkedList() {

    }

    public void add(T value) {
        Node newNode = new Node(value);

        if (this.tail == null) {
            this.tail = newNode;
        } else {
            this.head.setNext(newNode);
        }
        this.head = newNode;
    }

    public void remove(T value) {
        Node n = this.tail;

        if (value.equals(this.tail.getValue())) {
            this.tail = n.getNext();
        } else {
            Node previous = n;
            while (n != null) {
                if (n.getValue().equals(value)) {
                    previous.setNext(n.getNext());
                    break;
                }
                previous = n;
                n = n.getNext();
            }
            this.head = previous;
        }
    }

    public void printElements() {
        System.out.println("Lista ligada");
        Node n = this.tail;
        while (n != null) {
            System.out.println(n.value);
            n = n.getNext();
        }
    }

}

///////////////// Class Node /////////////////

public class Node<T> {
    T value;
    Node next;

    public Node() {
    }

    Node(T value) {
        this.value = value;
    }

    public void setNext(Node n){
        this.next = n;
    }

    public void setValue(T value){
        this.value = value;
    }

    public Node getNext(){
        return this.next;
    }

    public T getValue(){
        return this.value;
    }

    @Override
    public int hashCode() {
        int hash = 7;
        return hash;
    }

    @Override
    public boolean equals(Object obj) {
        if (this == obj) {
            return true;
        }
        if (obj == null) {
            return false;
        }
        if (getClass() != obj.getClass()) {
            return false;
        }
        final Node<?> other = (Node<?>) obj;
        if (!Objects.equals(this.value, other.value)) {
            return false;
        }
        return true;
    }
}