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In this video, we explain the Observer Design Pattern using a simple and relatable YouTube notification example. Imagine you ...

In this video we explore the Chain of Responsibility Design Pattern in Java, one of the classic Behavioral design patterns ...

Java Design Patterns Certification Practice Questions: https://trk.udemy.com/4a5jkL Master the core concepts of Java Design ...

... Strategy Design Pattern: https://youtu.be/JfHRScghH2M?si=5ZJSu8jcdKbzZXAk Observer Design Pattern: ...

In this video, we break down the Open Closed Principle — one of the core SOLID principles every developer must understand.

How many instanceofs have you written just to copy an object? If you're cloning objects "from the outside" in your code ...