Creational Design Patterns in Modern C++ - S.O.L.I.D. Principles - Part I

The video tutorial discusses SOLID design principles, focusing on the Single Responsibility and Open Closed principles. The Single Responsibility Principle emphasizes that a class should have only one reason to change, ensuring each responsibility is in a separate class. An example is given where a class managing notes should not handle their display. The Open Closed Principle states that modules should be open for extension but closed for modification, allowing behavior changes by adding new code rather than altering existing code. An example is provided where a method is modified to prioritize notes starting with an exclamation mark, violating the principle. The correct approach involves using virtual functions to extend functionality without changing existing code.

What is the single responsibility principle and why is it important in class design?

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How can violating the single responsibility principle affect class modification?

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Explain the open-closed principle and its significance in software design.

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What are the consequences of modifying existing code instead of adding new code?

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Describe a method to implement the open-closed principle in a class.

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