public DoubleNode(T value) { _value = value; _next = null; _previous = null; }
public void SetNext(DoubleNode <T> next) { _next = next; }
public void SetPrevious(DoubleNode <T> previous) { _previous = previous; }
public DoubleNode(T value, DoubleNode <T> next, DoubleNode <T> previous) { _value = value; _next = next; _previous = previous; }