Câu hỏi phỏng vấn Ruby on Rails
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Explain what is a class library in Ruby?

Câu trả lời

Class Library in Ruby

In Ruby, a class library is a collection of related classes that provide specific functionality. It is a way to organize and distribute reusable code, making it easier to share and maintain common functionality across multiple projects or applications.

A class library typically consists of:

  1. Classes: These are the fundamental building blocks of the library, encapsulating data and behavior related to a specific domain or task.

  2. Methods: These are the functions defined within the classes, which perform specific actions or operations.

  3. Constants: These are values that remain fixed throughout the execution of the program, such as configuration settings or predefined values.

  4. Modules: These are used for namespacing and grouping related classes, methods, and constants together.

The main purpose of a class library in Ruby is to promote code reuse, maintainability, and modularity. By encapsulating related functionality within a class library, developers can easily integrate and utilize the provided features in their applications without having to reinvent the wheel.

Some key benefits of using class libraries in Ruby include:

  1. Reusability: Class libraries allow developers to reuse code across multiple projects, saving time and effo...
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