What is a RESTful API and how does it work?
Object-oriented programming (OOP) and procedural programming are two fundamental programming paradigms, each with distinct characteristics and approaches to problem-solving. Object-Oriented Programming (OOP): 1. Focus on Objects: OOP centers around objects, which are instances of classes. Classes deRead more
Object-oriented programming (OOP) and procedural programming are two fundamental programming paradigms, each with distinct characteristics and approaches to problem-solving.
Object-Oriented Programming (OOP):
1. Focus on Objects: OOP centers around objects, which are instances of classes. Classes define the structure and behavior (attributes and methods) of objects.
2. Encapsulation: OOP encapsulates data and functions within objects. This bundling of data and methods ensures data integrity and hides internal object details from the outside world.
3. Inheritance: OOP supports inheritance, allowing new classes to inherit properties and behaviors from existing classes, promoting code reuse and hierarchical relationships.
4. Polymorphism: OOP allows polymorphism, enabling objects to be treated as instances of their parent class. This feature supports method overriding and dynamic method binding.
5. Abstraction: OOP uses abstraction to simplify complex systems by modeling real-world entities. It focuses on the “what” rather than the “how,” defining abstract interfaces for objects.
Procedural Programming:
1. Focus on Functions: Procedural programming is based on the concept of procedure calls, where functions or procedures operate on data. The program is structured as a sequence of steps or instructions.
2.Sequential Execution: Procedural programs follow a top-down approach, executing instructions in a linear sequence. Control structures like loops and conditionals dictate the flow.
3.Global Data: Data is often stored in global variables, accessible by multiple functions. This can lead to challenges in maintaining data integrity and debugging.
4.Modularity: Procedural programming can achieve modularity through functions and procedures, but it lacks the encapsulation and inheritance features of OOP.
5. Less Abstraction: Procedural programming tends to focus on the “how” of problem-solving, emphasizing detailed steps and algorithmic processes.
In summary, OOP emphasizes objects, encapsulation, inheritance, polymorphism, and abstraction, whereas procedural programming focuses on functions, sequential execution, global data, modularity, and detailed algorithms.
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A RESTful API (Representational State Transfer) is a way for software applications to communicate over the internet. It follows specific principles to ensure simplicity and scalability. Key Concepts: 1. Resources: RESTful APIs use resources (e.g., users, data) identified by URLs. Each resource can bRead more
A RESTful API (Representational State Transfer) is a way for software applications to communicate over the internet. It follows specific principles to ensure simplicity and scalability.
Key Concepts:
1. Resources: RESTful APIs use resources (e.g., users, data) identified by URLs. Each resource can be accessed via a specific URL.
2. HTTP Methods: Operations on resources are performed using standard HTTP methods:
– GET: Retrieve data.
– POST: Create new data.
– PUT: Update existing data.
– DELETE: Remove data.
3. Stateless: Each request from a client to the server must contain all the information needed for the server to understand and fulfill the request. The server does not store any state between requests.
How It Works:
1. Client Request: A client (like a web browser) sends an HTTP request to the server with a URL and an HTTP method.
2. Server Response: The server processes the request, performs the required operation, and sends back an HTTP response with the requested data or a status message.
RESTful APIs are widely used due to their simplicity and ease of integration across different systems.
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