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tonybui1812
tonybui1812

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jsp + spring and react + spring-boot

There are differences in how data is exchanged between the front-end and back-end in JSP + Spring and React + Spring Boot applications, particularly in how data is represented and transferred. These differences are primarily related to the use of POJOs (Plain Old Java Objects) and JSON (JavaScript Object Notation) for data interaction.

Here's a comparison of how data interaction typically works in both scenarios:

JSP + Spring:

  1. POJOs: In JSP + Spring applications, data is often exchanged using Java POJOs. When a form is submitted or an HTTP request is made, the Spring controller receives the data as form parameters or request parameters. The controller then maps this data to Java objects (POJOs) using form backing objects or DTOs (Data Transfer Objects).

  2. Server-side Rendering: JSP is a server-side rendering technology. Data is typically rendered on the server, and HTML content with embedded data is sent to the client (browser) as part of the HTTP response.

  3. No Automatic Serialization: JSP doesn't automatically serialize data to JSON. If JSON data is needed for client-side processing, the server-side code needs to manually convert Java objects to JSON using libraries like Jackson.

React + Spring Boot:

  1. JSON: In React + Spring Boot applications, data is commonly exchanged in JSON format. The front-end (React) and back-end (Spring Boot) communicate via JSON payloads. JSON is a lightweight, text-based format that's easy to parse and manipulate in JavaScript.

  2. RESTful API: Spring Boot is often used to build RESTful APIs. The client (React) sends HTTP requests (e.g., GET, POST, PUT) to specific endpoints on the server, and the server responds with JSON data. RESTful APIs provide a clear separation between the client and server.

  3. Automatic JSON Serialization: Spring Boot, along with libraries like Jackson, automatically serializes Java objects to JSON when sending responses to the client. Similarly, it deserializes JSON data received from the client into Java objects.

  4. State Management: In React, the front-end application often manages its state using JavaScript objects and libraries like Redux or React's built-in state management. Data retrieved from the server as JSON can be easily integrated into the front-end state.

In summary, the key difference lies in the data representation and communication approach. JSP + Spring applications often use POJOs for data exchange and rely on server-side rendering, while React + Spring Boot applications use JSON for communication, typically through RESTful APIs, enabling client-side rendering and more dynamic, interactive user interfaces. The choice between the two approaches depends on the project requirements and development goals.

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