school/cs235/lab09/NodeInterface.h

32 lines
714 B
C++

//YOU MAY NOT MODIFY THIS DOCUMENT
#pragma once
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;
};