16 lines
337 B
C#
16 lines
337 B
C#
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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namespace Tutorial_5
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{
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public interface ISubject
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{
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void RegisterObserver(IWeatherObserver observer);
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void DeregisterObserver(IWeatherObserver observer);
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void NotifyObservers();
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}
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}
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