data_structures_free

net/datastructures/BTPosition.java

@@ -0,0 +1,20 @@
+package net.datastructures;
+//begin#fragment BTPos
+/**
+ * Interface for a node of a binary tree. It maintains an element, a
+ * parent node, a left node, and a right node.
+//end#fragment BTPos
+ *
+ *  @author Michael Goodrich
+//begin#fragment BTPos
+ */
+public interface BTPosition<E> extends Position<E> { 	// inherits element()
+  public void setElement(E o);
+  public BTPosition<E> getLeft(); 
+  public void setLeft(BTPosition<E> v); 
+  public BTPosition<E> getRight(); 
+  public void setRight(BTPosition<E> v); 
+  public BTPosition<E> getParent(); 
+  public void setParent(BTPosition<E> v);
+}
+//end#fragment BTPos