public class Node extends Object
Node
left
next
right
int
val
Nodeβ(int val)
Nodeβ(int val, Node left, Node right, Node next)
String
toString()
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
public int val
public Node left
public Node right
public Node next
public Nodeβ(int val)
public Nodeβ(int val, Node left, Node right, Node next)
public String toString()
toString
Object