In http://docs.oracle.com/javase/tutorial/java/generics/genTypes.html

public class Node<T> {

    private T data;
    private Node<T> next;

    public Node(T data, Node<T> next) }
        this.data = data;
        this.next = next;
    }

    public T getData() { return data; }
    // ...
}

In the definition of the Node constructor, the opening brace is reversed.