adding cs235

cs235/lab10/NodeInterface.h

@@ -0,0 +1,40 @@
+//YOU MAY NOT MODIFY THIS DOCUMENT
+#pragma once
+#include<string>
+
+using namespace std;
+
+class NodeInterface {
+
+public:
+	NodeInterface() {}
+	virtual ~NodeInterface() {}
+
+	/*
+	 * Returns the data that is stored in this node
+	 *
+	 * @return the data that is stored in this node.
+	 */
+	virtual int getData() = 0;
+
+	/*
+	 * Returns the left child of this node or null if it doesn't have one.
+	 *
+	 * @return the left child of this node or null if it doesn't have one.
+	 */
+	virtual NodeInterface * getLeftChild() = 0;
+
+	/*
+	 * Returns the right child of this node or null if it doesn't have one.
+	 *
+	 * @return the right child of this node or null if it doesn't have one.
+	 */
+	virtual NodeInterface * getRightChild() = 0;
+
+	/*
+	 * Returns the height of this node. The height is the number of edges
+	 * from this node to this nodes farthest child.
+	 */
+	virtual int getHeight() = 0;
+
+};