62 lines
1.3 KiB
C++
62 lines
1.3 KiB
C++
#ifndef NODE_H
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#define NODE_H
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class Node {
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protected:
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double data;
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Node* next;
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Node* previous;
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public:
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// Constructs this node with the specified numerical data value. The next
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// and previous pointers are each assigned nullptr.
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Node(double initialData) {
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data = initialData;
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next = nullptr;
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previous = nullptr;
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}
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// Constructs this node with the specified numerical data value, next
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// pointer, and previous pointer.
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Node(double initialData, Node* nextNode, Node* previousNode) {
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data = initialData;
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next = nextNode;
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previous = previousNode;
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}
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virtual ~Node() {
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}
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// Returns this node's data.
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virtual double GetData() {
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return data;
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}
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// Sets this node's data.
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virtual void SetData(double newData) {
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data = newData;
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}
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// Gets this node's next pointer.
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virtual Node* GetNext() {
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return next;
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}
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// Sets this node's next pointer.
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virtual void SetNext(Node* newNext) {
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next = newNext;
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}
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// Gets this node's previous pointer.
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virtual Node* GetPrevious() {
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return previous;
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}
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// Sets this node's previous pointer.
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virtual void SetPrevious(Node* newPrevious) {
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previous = newPrevious;
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}
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};
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#endif
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