adding cs235

cs235/lab09/BSTInterface.h

@@ -0,0 +1,38 @@
+//YOU MAY NOT MODIFY THIS DOCUMENT
+#pragma once
+
+#include "NodeInterface.h"
+
+using namespace std;
+
+class BSTInterface {
+public:
+	BSTInterface() {}
+	virtual ~BSTInterface() {}
+
+	//Please note that the class that implements this interface must be made
+	//of objects which implement the NodeInterface
+
+	/*
+	 * Returns the root node for this tree
+	 *
+	 * @return the root node for this tree.
+	 */
+	virtual NodeInterface * getRootNode() = 0;
+
+	/*
+	 * Attempts to add the given int to the BST tree
+	 *
+	 * @return true if added
+	 * @return false if unsuccessful (i.e. the int is already in tree)
+	 */
+	virtual bool add(int data) = 0;
+
+	/*
+	 * Attempts to remove the given int from the BST tree
+	 *
+	 * @return true if successfully removed
+	 * @return false if remove is unsuccessful(i.e. the int is not in the tree)
+	 */
+	virtual bool remove(int data) = 0;
+};