Creational Design Patterns in Modern C++ - Introduction - intent of patterns and their basic implementation.

The video tutorial explains the Singleton design pattern, a commonly used but sometimes controversial pattern. It is used to ensure a class has only one instance, providing a global point of access. The tutorial discusses use cases like managing resources such as print spoolers or database connections, where multiple instances could lead to state corruption. The Singleton pattern makes the class responsible for creating its own instance, intercepting client calls to ensure only one instance is returned. The video also covers the structure and notation of the pattern, using OMT notation to describe class attributes and methods.

What is the primary purpose of the Singleton design pattern?

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In what scenarios would you typically use the Singleton pattern?

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How does the Singleton pattern ensure that only one instance of a class is created?

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What are some potential drawbacks of using the Singleton pattern?

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Explain how the Singleton pattern can behave like a global variable.

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