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Questions and Answers
What is the design pattern whereby data is only accessible through provided methods to operate on that data?
What is the main mechanism for code reuse in object-oriented programming?
What is the combination of data and methods to work with this data, as well as the placement of one object or class inside another to differentiate access to them?
What does SOLID stand for?
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Which principle states that 'each class performs only one task'?
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Which principle states that 'objects in a program should be replaceable with instances of their subtypes without changing the correct execution of the program'?
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Which of the following design patterns is used to generate families of related objects?
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Which of the following design patterns is used to build class hierarchies that are easy to maintain?
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Which of the following design patterns is used to define algorithms and interaction between classes and objects?
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Study Notes
Data Access and Code Reuse
- Data is only accessible through provided methods to operate on that data, a design pattern known as Encapsulation.
Object-Oriented Programming
- Inheritance is the main mechanism for code reuse in object-oriented programming.
Data and Methods
- Objects combine data and methods to work with this data.
- Composition is the placement of one object or class inside another to differentiate access to them.
SOLID Principles
- SOLID stands for Single responsibility, Open/closed, Liskov substitution, Interface segregation, and Dependency inversion.
- Single responsibility principle states that each class performs only one task.
- Liskov substitution principle states that objects in a program should be replaceable with instances of their subtypes without changing the correct execution of the program.
Design Patterns
- Factory pattern is used to generate families of related objects.
- Abstract Factory pattern is used to build class hierarchies that are easy to maintain.
- Strategy pattern is used to define algorithms and interaction between classes and objects.
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Description
"Test Your Understanding of Abstraction in Programming" - Take this quiz to assess your knowledge of abstraction and how it applies to programming. Explore the concept of data abstraction and its benefits, including the separation of data representation from its operations. This quiz will test your understanding of abstraction and how it can be implemented in real-world programming scenarios.
