Questions and Answers
Which pattern separates construction and representation of complex objects?
Builder
What do design patterns solve?
Recurring design problems
Which pattern creates a family of related objects?
Abstract Factory
What are patterns?
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Which pattern restricts object creation for a class to only one instance?
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What are anti-patterns?
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How many common patterns are included in the Gang-of-Four (GOF) Design Patterns?
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Into which categories are GOF Patterns divided?
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What does the Adapter pattern do?
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What are the components of the Adapter pattern?
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Study Notes
- Design patterns solve recurring design problems.
- Patterns are ideas for solving problems of a certain class.
- Anti-patterns are ideas not to use due to bad design.
- Gang-of-Four (GOF) Design Patterns include 15 common patterns.
- GOF Patterns are divided into creational, structural, and behavioral categories.
- Adapter pattern bridges two incompatible interfaces.
- Adapter pattern uses a wrapper class to implement the target interface.
- Adapter pattern promotes reusability of existing systems.
- Adapter pattern is useful when dealing with incompatible interfaces.
- Components of adapter pattern include target interface and adapter.
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