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1. Which SOLID principle would apply for the following statements? Justify your answer briefly. i. Instead of changing the code of the class directly, we can create a subclass and override parts of the original class that we want to behave differently. ii. Parameter types in a method of a subclass should match or be more abstract than parameter types in the method of the superclass. iii. Make every class responsible for a single part of the functionality provided by the software, and make that responsibility entirely encapsulated by the class. įv. We can extend low-level classes to use with different business logic classes without breaking existing classes and therefore, high-level classes shouldn't depend on low- level classes. Classes that are able to implement the original interface can just implement several refined interfaces. Other classes can implement only those interfaces which have methods that make sense for them. V.

1. Which SOLID principle would apply for the following statements? Justify your answer briefly. i. Instead of changing the code of the class directly, we can create a subclass and override parts of the original class that we want to behave differently. ii. Parameter types in a method of a subclass should match or be more abstract than parameter types in the method of the superclass. iii. Make every class responsible for a single part of the functionality provided by the software, and make that responsibility entirely encapsulated by the class. įv. We can extend low-level classes to use with different business logic classes without breaking existing classes and therefore, high-level classes shouldn't depend on low- level classes. Classes that are able to implement the original interface can just implement several refined interfaces. Other classes can implement only those interfaces which have methods that make sense for them. V.

Database System Concepts
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
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1. Which SOLID principle would apply for the following statements? Justify your answer briefly. Instead of changing the code of the class directly, we can create a subclass and override parts of the original class that we want to behave differently. ii. Parameter types in a method of a subclass should match or be more abstract than parameter types in the method of the superclass. iii. Make every class responsible for a single part of the functionality provided by the software, and make that responsibility entirely encapsulated by the class. iv. i. We can extend low-level classes to use with different business logic classes without breaking existing classes and therefore, high-level classes shouldn't depend on low- level classes. Classes that are able to implement the original interface can just implement several refined interfaces. Other classes can implement only those interfaces which have V. methods that make sense for them.
Transcribed Image Text:1. Which SOLID principle would apply for the following statements? Justify your answer briefly. Instead of changing the code of the class directly, we can create a subclass and override parts of the original class that we want to behave differently. ii. Parameter types in a method of a subclass should match or be more abstract than parameter types in the method of the superclass. iii. Make every class responsible for a single part of the functionality provided by the software, and make that responsibility entirely encapsulated by the class. iv. i. We can extend low-level classes to use with different business logic classes without breaking existing classes and therefore, high-level classes shouldn't depend on low- level classes. Classes that are able to implement the original interface can just implement several refined interfaces. Other classes can implement only those interfaces which have V. methods that make sense for them.
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