Which of the following is an example of adhering to the Single Responsibility Principle (SRP)?

A class that reads data from a file and performs data validation

A class that handles user authentication and database connection

A class that calculates employee salaries and sends email notifications

A class that performs file input/output operations and generates reports

What is the main objective of the Inversion of Control (IoC) principle in software design?

Achieving loose coupling and and decoupling of modules by introducing interfaces or abstract classes that define contracts

Simplifying class responsibilities

Improving code reusability and modularity

How does the Inversion of Control affect the manageability of dependencies in software applications?

It enables decoupling and reduces the impact of changes on other components

It centralizes dependency management in a single class

It eliminates the need for dependency management altogether

It increases the complexity of managing dependencies

Which of the following best describes encapsulation in the context of the SOLID principles?

Restricting access to class members to ensure data privacy and integrity

Breaking down a large interface into smaller, specialized interfaces

Designing classes with a single responsibility and minimizing dependencies

Allowing subclasses to be used interchangeably with their base classes

The Single Responsibility Principle (SRP) advocates for:

Restricting a class to have only one reason to change

Extending existing classes instead of modifying them

Having a class with multiple responsibilities

Allowing derived types to be substituted for their base types

The Open-Closed Principle (OCP) promotes:

Extending functionality without modifying existing code

Changing existing code frequently

Using interfaces with unnecessary methods

The Interface Segregation Principle (ISP) prevents:

Clients from depending on unnecessary interfaces

Objects from having a single responsibility

Objects from inheriting from multiple classes

Abstractions from depending on concrete implementations

The Dependency Inversion Principle (DIP) encourages:

Decoupling through dependency on abstractions

Direct instantiation of specific classes

Tight coupling between high-level and low-level modules

Creating complex inheritance hierarchies

BE1 - SOLID Basic Principles

Authored by Ryan Ap

Computers

Professional Development

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MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following best describes the Open-Closed Principle (OCP)?

Classes should be open to extension and closed to modification

Classes should be open to modification and closed to extension

Classes should neither be open to modification nor extension

Classes should be open to modification and extension

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is an example of violating the Open-Closed Principle (OCP)?

Adding a new subclass to extend the behavior of an existing abstract class

Implementing an interface to provide a different implementation of a method

Modifying an existing class to add new functionality

Utilizing inheritance to reuse code from a base class

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following best describes the Dependency Inversion Principle (DIP)?

High-level modules should depend on low-level modules

Low-level modules should depend on high-level modules

Modules should depend on abstractions, not on concretions

Modules should depend on specific implementations, not on interfaces

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following statements best describes the Liskov Substitution Principle (LSP)?

Subclasses should be able to replace instances of their base classes

Subclasses should inherit implementation details from their base classes

Subclasses should override all methods of their base classes

Subclasses should only add new functionality to their base classes

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is an example of violating the Liskov Substitution Principle (LSP)?

A subclass overriding a method from its base class to provide a more specialized behavior

A subclass throwing an exception that is not declared in the base class

A subclass extending the base class and implementing additional interfaces

A subclass inheriting properties and attributes from the base class

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following statements best describes the Interface Segregation Principle (ISP)?

Classes should have a single responsibility

Classes should depend on abstractions, not concrete implementations

Classes should be open for extension and closed for modification

Clients should not be forced to depend on interfaces they do not use

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is an example of adhering to the Interface Segregation Principle (ISP)?

A large interface that contains numerous methods catering to various client needs

A class implementing multiple interfaces, even though it doesn't use all the methods of each interface

Breaking down a large interface into smaller, more specialized interfaces tailored to specific client needs

Creating a single interface for all clients, regardless of their specific requirements

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