Observer Design Pattern
Subject (Observable) [Flight, News, Traffic, Stocks, Weather]
Concrete Subject ideas:
- CryptoMarket – Notifies observers about cryptocurrency price changes.
- ElectionUpdates – Provides real-time election result updates.
- AirQualityMonitor – Reports air pollution levels.
- EmergencyAlerts – Sends notifications about disasters or critical situations.
- GameScoreBoard – Updates scores for ongoing sports matches.
- MovieReleases – Notifies about new movie or TV show releases.
- WeatherForecast – Sends daily or weekly weather predictions.
- ElectricityUsage – Tracks and updates electricity consumption data.
- OnlineStoreDeals – Alerts about discounts and flash sales.
- JobAlerts – Notifies about new job postings matching user interests.
- TrainSchedule – Updates about train arrival and departure times.
- FuelPriceMonitor – Notifies about changes in fuel prices.
- FestivalEvents – Updates on upcoming festivals and local events.
- CovidTracker – Provides updates on COVID-19 cases and restrictions.
- BookReleases – Alerts readers about new book publications.
- SpaceMissions – Notifies about upcoming or ongoing space missions.
- CurrencyExchange – Updates on foreign exchange rates.
- RestaurantSpecials – Alerts about daily or weekly food specials in restaurants.
- OnlineGameUpdates – Notifies about patches, events, and game maintenance schedules.
- MusicConcerts – Provides information about upcoming concerts and ticket sales.
Observer [Phone, TV, Computer]