data_structures_free

net/datastructures/TreePosition.java

@@ -0,0 +1,18 @@
+package net.datastructures;
+//begin#fragment TPos
+/**
+ * Interface for a node of a binary tree. It maintains an element, a
+ * parent node, a left node, and a right node.
+//end#fragment TPos
+ *
+ *  @author Michael Goodrich
+//begin#fragment TPos
+ */
+public interface TreePosition<E> extends Position<E> { 	// inherits element()
+  public void setElement(E o);
+  public PositionList<Position<E>> getChildren(); 
+  public void setChildren(PositionList<Position<E>> c);
+  public TreePosition<E> getParent(); 
+  public void setParent(TreePosition<E> v);
+}
+//end#fragment TPos