SOLID

Question 1

What does the ‘S’ in SOLID stand for?

Answer 1

Single Responsibility Principle

Question 2

True or False: The Single Responsibility Principle states a class should have only one reason to change.

Answer 2

True

Question 3

What does the ‘O’ in SOLID stand for?

Answer 3

Open/Closed Principle

Question 4

Fill in the blank: The Open/Closed Principle states that software entities should be open for _____ but closed for _____ .

Answer 4

extension; modification

Question 5

What does the ‘L’ in SOLID stand for?

Answer 5

Liskov Substitution Principle

Question 6

True or False: The Liskov Substitution Principle promotes substitutability of subclasses for their base classes.

Answer 6

True

Question 7

What does the ‘I’ in SOLID stand for?

Answer 7

Interface Segregation Principle

Question 8

According to the Interface Segregation Principle, clients should not be forced to depend on interfaces they do not _____ .

Answer 8

use

Question 9

What does the ‘D’ in SOLID stand for?

Answer 9

Dependency Inversion Principle

Question 10

True or False: The Dependency Inversion Principle states that high-level modules should depend on low-level modules.

Answer 10

False

Question 11

What is a key benefit of adhering to SOLID principles?

Answer 11

Improved maintainability and scalability of software.

Question 12

What is the purpose of clean code principles?

Answer 12

To ensure code is easy to read, understand, and maintain.

Question 13

Which of the following is NOT a clean code principle? A) Meaningful names B) Small functions C) Long methods

Answer 13

C) Long methods

Question 14

True or False: Clean code principles advocate for writing code that is self-explanatory.

Answer 14

True

Question 15

What is the purpose of the Repository pattern in Laravel?

Answer 15

To abstract the data layer and provide a cleaner interface for data access.

Question 16

Which design pattern allows for the creation of objects without specifying the exact class of object that will be created?

Answer 16

Factory pattern

Question 17

What design pattern is used in Laravel to manage the application’s data flow?

Answer 17

Service pattern

Question 18

True or False: The Observer pattern is used in Laravel for event handling.

Answer 18

True

Question 19

What is the main advantage of using the Singleton pattern?

Answer 19

To ensure a class has only one instance and provide a global point of access to it.

Question 20

Fill in the blank: The _____ pattern is used to encapsulate a group of individual factories.

Answer 20

Abstract Factory

Question 21

What is the main purpose of the Strategy pattern?

Answer 21

To define a family of algorithms and make them interchangeable.

Question 22

True or False: Laravel uses the Command pattern in its Artisan console.

Answer 22

True

Question 23

What design pattern allows for the dynamic addition of behavior to individual objects?

Answer 23

Decorator pattern

Question 24

What is the role of Middleware in Laravel?

Answer 24

To filter HTTP requests entering the application.

Question 25

Fill in the blank: The _____ pattern allows classes to be composed with behavior at runtime.

Answer 25

Decorator

Question 26

What is the purpose of the Facade pattern in Laravel?

Answer 26

To provide a static interface to classes that are available in the application's service container.

Question 27

True or False: The MVC pattern stands for Model-View-Controller.

Answer 27

True

Question 28

What does the Model in MVC represent?

Answer 28

The data and business logic of the application.

Question 29

What does the View in MVC represent?

Answer 29

The user interface and presentation layer.

Question 30

What does the Controller in MVC do?

Answer 30

Handles user input and interacts with the model to update the view.

Question 31

What is the purpose of the Observer pattern in Laravel?

Answer 31

To allow one object to notify other objects about changes in its state.

Question 32

Fill in the blank: The _____ pattern is useful for implementing event-driven systems.

Answer 32

Observer

Question 33

What is the main goal of the Command pattern?

Answer 33

To encapsulate a request as an object.

Question 34

True or False: The Builder pattern is used to construct a complex object step by step.

Answer 34

True

Question 35

What is the main benefit of using design patterns in Laravel?

Answer 35

To provide proven solutions to common software design problems.

Question 36

What is the role of the Service Provider in Laravel?

Answer 36

To bootstrap and register services in the application.

Question 37

Fill in the blank: The _____ pattern allows the creation of a complex object without exposing the creation logic to the client.

Answer 37

Builder

Question 38

What is the purpose of the Adapter pattern?

Answer 38

To allow incompatible interfaces to work together.

Question 39

True or False: The Template Method pattern defines the skeleton of an algorithm in a method, deferring some steps to subclasses.

Answer 39

True

Question 40

What does a clean code principle emphasize regarding comments?

Answer 40

Code should be self-explanatory; comments should be used sparingly and only when necessary.

Question 41

Fill in the blank: The _____ pattern is used to convert the interface of a class into another interface clients expect.

Answer 41

Adapter