public class Node<T> {
    private T content = null;
    private Node nextNode = null;

    public Node(T content) {
      setContent(content);
    }

    private void setContent(T content) {
        this.content = content;
    }

    public T getContent() {
        return this.content;
    }

    public void setNextNode(Node nextNode) {
        this.nextNode = nextNode;
    }

    public Node getNextNode() {
        return this.nextNode;
    }
}