30 lines
382 B
Plaintext
30 lines
382 B
Plaintext
// interface
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class Subject
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{
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public:
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virtual void registerObserver() = 0;
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virtual void removeObserver() = 0;
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virtual void notifyObserver() = 0;
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};
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class Observer
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{
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public:
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virtual void update() = 0;
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};
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// classes
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class ConcreteSubject : public Subject
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{
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public:
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void getState();
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void setState();
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};
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class ConcreteObserver : public Observer
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{
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public:
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};
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