Observer Design Pattern in Java || Ajit Singh
This video explains Observer Design pattern and when one should use it. The code is implemented in java and contains a real world example.
What is observer design pattern?
Observer design pattern is software design pattern in which an Observable/Subject maintains a list of Observers/Subscribers and notifies them whenever its state changes.
When to use observer design pattern?
The Observer design pattern can be used in the cases where multiple objects wants to observe an object so that they can change themselves when its state changes.
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Design pattern playlist: • Decorator Design Pattern in Java || Ajit S...
0:00 - Introduction
1:28 - Example
3:55 - Code Walkthrough
7:35 - Conclusion
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