Podcast
Questions and Answers
Which pattern is used to implement an object that acts as a placeholder for another object, while the original object is being loaded or created?
Which pattern is used to implement an object that acts as a placeholder for another object, while the original object is being loaded or created?
Which pattern is used to compose objects into tree structures to represent part-whole hierarchies?
Which pattern is used to compose objects into tree structures to represent part-whole hierarchies?
Which pattern is used to add additional responsibilities to an object without affecting the external interface of the object?
Which pattern is used to add additional responsibilities to an object without affecting the external interface of the object?
Which pattern is used to separate an object's abstraction from its implementation so that the two can vary independently?
Which pattern is used to separate an object's abstraction from its implementation so that the two can vary independently?
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Which pattern is used to reduce the cost of creating multiple instance of a class by sharing the common state among them?
Which pattern is used to reduce the cost of creating multiple instance of a class by sharing the common state among them?
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Study Notes
Object Creation Mechanisms
- Provide flexibility and reuse of existing code
- Explain how to assemble objects and classes into larger structures
- Enable flexibility and efficiency in these structures
Focus of Patterns
- Concerned with algorithms used
- Involve assignment of responsibilities between objects
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Description
Explore design patterns that enable flexible and efficient object creation and assembly. Learn how to assign responsibilities between objects and develop efficient algorithms.
