Here we will go through a summarize for the next chapter in the ‘ Head First Pattern ‘. Don’t forget to check this article for chapter 1.
This chapter about one of the most famous design patterns, the Observer Pattern.
We will go through the Weather Monitoring application to discover this new pattern.
In this app, there are three players, the weather station (the physical device that gain the actual weather data), the WeatherData object (follows the data from the Weather Station and updates the displays), and the display that views users the current weather conditions.
Okay, The app task…
Teaching the concepts that you’ve learned to others, is the best way to assure that you fully understood them.
based on the previous statement I decided that it’s time to affirm what I have learned from the ‘Head First Design patterns ‘ book by summarizing each chapter in a separate article.
This article is about chapter one. which is called “ Introduction to design patterns”
Here in the first chapter, the writer wants you to feel about what’s exactly the need for the design patterns in a real example.
So the chapter starts with an example of an app, It’s…
Android Engineer at Upwork