#spring boot

[sunsblogs]

Coding By Time - Pro+

JAVA

Java, uzun yıllardan beri web geliştirmede yaygın olarak kullanılan popüler bir programlama dilidir. Web uygulamaları oluşturmak için sağlam ve ölçeklenebilir bir platform sunarak geliştiricilere üzerinde çalışabilecekleri çok çeşitli araçlar ve kitaplıklar sunar. Çok yönlülüğüne ek olarak Java, anlaşılması, bakımı ve değiştirilmesi kolay kod oluşturulmasını destekleyen Tek Sorumluluk İlkesine bağlılığıyla bilinir. Java ile geliştiriciler hızlı, güvenilir ve emniyetli web uygulamaları geliştirebilirler; bu da Java'yı web geliştirme için önemli bir araç haline getirir.

Spring

Spring Framework, Java tabanlı web uygulamaları oluşturmak için güçlü ve yaygın olarak kullanılan bir çerçevedir. Geliştiricilerin karmaşık uygulamaları kolaylıkla oluşturmasını kolaylaştıran bir dizi özellik ve araç sunar. Spring Framework kullanmanın avantajlarından bazıları şunlardır:

- Uygulama bileşenlerinin basitleştirilmiş konfigürasyonu ve yönetimi

- Diğer kütüphaneler ve çerçevelerle kolay entegrasyon

- Test etme ve hata ayıklama için güçlü destek

- Kapsamlı belgeler ve topluluk desteği

Spring Framework'ün en önemli özelliklerinden biri, geliştiricilerin URL isteklerini belirli eylemlerle eşlemelerine olanak tanıyan requestMapping'dir. Bu özellik, web uygulamalarının URL yapılarının yönetilmesini kolaylaştırarak genel kullanıcı deneyimini iyileştirir.

Spring Boot

Spring Boot, Spring Framework'ün üzerine inşa edilen ve geliştiricilere web uygulamaları oluşturma konusunda daha hızlı ve daha akıcı bir yaklaşım sağlayan bir araçtır. Spring Boot ile geliştiriciler minimum yapılandırmayla web uygulamaları ve mikro hizmetler oluşturabilir, bu da web geliştirmeye başlamayı kolaylaştırır. Spring Boot'u kullanmanın faydalarından bazıları şunlardır:

- Uygulama bileşenlerinin basitleştirilmiş konfigürasyonu ve yönetimi

- Geliştirilmiş performans ve ölçeklenebilirlik

- Diğer kütüphaneler ve çerçevelerle kolay entegrasyon

- Kapsamlı belgeler ve topluluk desteği

Spring Boot ayrıca önbelleğe alma desteği, reaktif akış API'si ve URL eşleme dahil olmak üzere web uygulaması geliştirmeye yönelik bir dizi özellik ve araç sunar. Kullanım kolaylığı ve kapsamlı araç seti sayesinde Spring Boot, hızlı ve verimli bir şekilde sağlam ve ölçeklenebilir web uygulamaları oluşturmak isteyen geliştiriciler için popüler bir seçim haline geldi. Ayrıca Visual Studio Code, çeşitli kullanışlı VS Code uzantılarıyla Spring Boot uygulama geliştiricileri için ideal bir hafif geliştirme ortamı sağlar. Bu gibi bilgilendirmeler ve geliştirmeler için web sitemizi ziyaret edebilirsiniz.

[javafullstackdev]

FullStackJava: Mastering Both Ends of the Stack

Java isn't just for backend anymore! As a full stack Java developer, you'll wield powerful tools on both sides:

Frontend:

JavaServer Faces (JSF)

Thymeleaf

Vaadin

Backend:

Spring Boot

Hibernate ORM

RESTful APIs

Database:

JDBC

JPA

Build & Deploy:

Maven/Gradle

Docker

Jenkins

Embrace the versatility. Java full stack = limitless possibilities.

[vestathenervous]

Nice

[jujuthewulfpup]

1. Video games: Factorio, Satisfactory, Overwatch 2, Hogwarts Legacy, Hollow Knight, …

2. I am a software engineer by trade and do volunteer coding and personal coding in my free time. I just don’t have posting to social media as a reaction to … anything related to those things.

I am currently/still looking for more coding/software engineering content! Feel free to share tags/blogs you like.

I am very much on my computer a LOT as a consequence of these hobbies.

[oodles-platform]

Looking to Hire Spring Boot Developers for Scalable Web Apps?

At Oodles, our Spring Boot developers build robust, scalable, and secure web applications tailored to your business needs. From microservices architecture to RESTful APIs and backend integrations, we ensure high-performance solutions with fast delivery. Hire Spring Boot developers from Oodles and power your digital products with clean, efficient code.

[davidj12345]

Spring Boot in 2025: Still the Backbone of Enterprise Java?

Spring Boot in 2025 remains the backbone of enterprise Java, offering rapid development, microservices support, and cloud-native readiness. A top Spring Boot development company leverages its ecosystem to build scalable, secure, and high-performance enterprise solutions.

[xploreitcorp5]

How can you serialize and deserialize Java objects for frontend-backend communication?

1. What’s Java Serialization and Deserialization All About?  

So, how do you handle communication between the frontend and backend in Java? It’s all about turning Java objects into a byte stream (that’s serialization) and then back into objects (deserialization). This makes it easy to exchange data between different parts of your app. The Serializable interface in Java is key for this, as it helps keep the state of objects intact. If you’re taking a Java course in Coimbatore, you’ll get to work on this a lot. Serialization is super important for things like APIs and managing sessions. For Java backend developers, it's a must-know.

2. Why Is Serialization Important Nowadays?  

When it comes to Java and modern web apps, we often use JSON or XML for serialized data. Libraries like Jackson and Gson make it easy to convert Java objects to JSON and vice versa. These formats are great for frontend and make communication smoother. If you study Java in Coimbatore, you'll learn how serialization fits into REST APIs. Good serialization helps keep your app performing well and your data secure while also supporting setups like microservices.

3. What’s the Serializable Interface?  

The Serializable interface is a simple marker in Java telling the system which objects can be serialized. If you get this concept down, it really helps answer how to serialize and deserialize Java objects for frontend-backend communication. By using this interface, you can easily save and send Java objects. Students in a Java Full Stack Developer Course in Coimbatore learn how to manage complex object structures and deal with transient variables to keep things secure and fast.

4. Tools and Libraries for Serialization in Java  

To serialize objects well, developers often rely on libraries like Jackson and Gson, along with Java’s ObjectOutputStream. These are essential when you’re trying to serialize Java objects for frontend-backend communication. With these tools, turning Java objects into JSON or XML is a breeze. In Java courses in Coimbatore, learners work with these tools on real projects, and they offer options for customizing how data is serialized and handling errors more smoothly.

5. Deserialization and Keeping Things Secure  

Deserialization is about getting objects back from a byte stream, but you've got to do this carefully. To serialize and deserialize Java objects safely, you need to check the source and structure of incoming data. Training in Coimbatore covers secure deserialization practices so you can avoid issues like remote code execution. Sticking to trusted libraries and validating input helps keep your app safe from attacks.

6. Syncing Frontend and Backend  

Getting the frontend and backend in sync relies heavily on good serialization methods. For instance, if the Java backend sends data as JSON, the frontend—often built with React or Angular—needs to handle it right. This is a key part of learning how to serialize and deserialize Java objects for frontend-backend communication. In Java Full Stack Developer Courses in Coimbatore, students work on apps that require this skill.

7. Dealing with Complex Objects and Nested Data  

A big challenge is when you have to serialize complex or nested objects. When figuring out how to serialize and deserialize Java objects for frontend-backend communication, you need to manage object references and cycles well. Libraries like Jackson can help flatten or deeply serialize data structures. Courses in Coimbatore focus on real-world data models to give you practical experience.

8. Making Serialization Efficient  

Efficient serialization cuts down on network delays and boosts app performance. Students in Java training in Coimbatore learn how to make serialization better by skipping unnecessary fields and using binary formats like Protocol Buffers. Balancing speed, readability, and security is the key to good serialization.

9. Real-Life Examples of Java Serialization  

Things like login sessions, chat apps, and shopping carts all depend on serialized objects. To really understand how to serialize and deserialize Java objects for frontend-backend communication, you need to know about the real-time data demands. In a Java Full Stack Developer Course in Coimbatore, you’ll get to simulate these kinds of projects for hands-on experience.

10. Wrapping It Up: Getting Good at Serialization  

So how should you go about learning how to serialize and deserialize Java objects? The right training, practice, and tools matter. Knowing how to map objects and secure deserialized data is crucial for full-stack devs. If you're keen to master these skills, check out a Java course or a Java Full Stack Developer Course in Coimbatore. With practical training and real projects, Xplore IT Corp can set you on the right path for a career in backend development.

FAQs  

1. What’s Java serialization for?  

Serialization is for turning objects into a byte stream so they can be stored, shared, or cached.  

2. What are the risks with deserialization?  

If deserialization is done incorrectly, it can lead to vulnerabilities like remote code execution.  

3. Can every Java object be serialized?  

Only objects that implement the Serializable interface can be serialized. Certain objects, like threads or sockets, can’t be.  

4. Why use JSON for communication between frontend and backend?  

JSON is lightweight, easy to read, and can be easily used with JavaScript, making it perfect for web apps.  

5. Which course helps with Java serialization skills?  

The Java Full Stack Developer Course in Coimbatore at Xplore IT Corp offers great training on serialization and backend integration.

[tpointtechblogs]

Spring Boot Full Course: Learn Microservices and REST API Development

visit the blog: https://medium.com/@tpointtechblog/spring-boot-full-course-learn-microservices-and-rest-api-development-3e9a9f9ab226

visit more blog:

https://dev.to/tpointtechblog/master-css-fast-the-only-tutorial-youll-ever-need-5dfb

https://www.linkedin.com/pulse/what-c-used-key-concepts-real-world-applications-udhav-khera-cy82c

https://tpointtechblog.hashnode.dev/your-ultimate-artificial-intelligence-ai-tutorial-build-smart-systems

https://www.patreon.com/user?u=169347449

https://themediumblog.com/read-blog/167561

https://sites.google.com/view/dbmstutorial/home

[emexotechnologies]

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[engenhariadesoftware]

Conectando uma Aplicação Spring Boot com Banco de Dados MySQL

O que é o Spring Boot e como ele facilita o desenvolvimento de aplicações Java O Spring Boot é uma extensão do popular framework Spring, projetado para simplificar o processo de desenvolvimento de aplicações Java. Ele elimina a necessidade de configurações complexas e torna o processo de desenvolvimento mais rápido e eficiente. Com Spring Boot, você pode criar aplicações prontas para produção…

[ashok13]

Java Full Stack Developer Course in Hyderabad | Ashok IT

In today’s rapidly evolving tech industry, Java remains one of the most in-demand programming languages. As businesses increasingly rely on full-stack developers who can handle both the front-end and back-end of applications, there’s a growing need for professionals skilled in Java Full Stack Development. For aspiring developers, choosing the right institute for training is crucial to gaining a strong foundation and boosting career prospects.

Why Choose Ashok IT for Java Full Stack Development? Ashok IT is renowned for its exceptional training in the latest technologies, making it the top choice for students aspiring to pursue a career in full-stack development. Here are a few reasons why Ashok IT is considered the best Java Full Stack Developer training institute in Ameerpet, Hyderabad:

Expert Trainers with Industry Experience The instructors at Ashok IT are seasoned professionals with years of hands-on experience in Java and Full Stack Development. They bring practical insights and real-world examples into the classroom, ensuring that students not only understand the theory but also how to apply it in real development scenarios. This practical approach helps students gain the skills that are highly sought after by top tech companies.

Comprehensive Course Curriculum Ashok IT offers a well-structured curriculum that covers every aspect of Full Stack Development, from the basics of Java programming to advanced concepts in front-end and back-end development. The course includes:

Core Java: Learn the fundamentals of Java, including Object-Oriented Programming (OOP) principles, data structures, exception handling, and more. Web Technologies: Gain expertise in HTML, CSS, JavaScript, and modern front-end frameworks like Angular and React. Database Management: Learn to work with relational databases such as MySQL and PostgreSQL, and understand the concepts of data modeling, SQL queries, and database connectivity. Back-End Development: Master frameworks such as Spring and Hibernate to build robust back-end systems. Version Control & Deployment: Learn how to use Git for version control and tools like Jenkins and Docker for continuous integration and deployment. This comprehensive curriculum equips students with the skills needed to develop dynamic, scalable web applications from scratch.

Hands-On Training & Live Projects At Ashok IT, practical training is emphasized. Students are not just taught theory; they are given the opportunity to work on live projects and real-world use cases. This hands-on approach allows students to apply their knowledge and gain practical experience in Java Full Stack Development, making them job-ready by the end of the course.

Placement Assistance and Support Ashok IT’s commitment to student success goes beyond just providing quality training. The placement cell at Ashok IT regularly conducts mock interviews, resume-building workshops, and career counseling sessions to help students succeed in the competitive job market.

State-of-the-Art Infrastructure Ashok IT boasts modern classrooms equipped with the latest technology and software to provide an ideal learning environment. The institute is known for its student-friendly atmosphere and ensures that every student receives the attention they deserve. With small batch sizes, the instructors can provide personalized guidance to each student, helping them progress at their own pace.

Flexible Batch Options Understanding that many students have different schedules, Ashok IT offers flexible batch options for both full-time and part-time courses. Whether you are a fresh graduate or a working professional looking to upskill, you can choose a batch that fits your schedule.

Ashok IT, located in Ameerpet, Hyderabad, stands as a beacon for quality education in Java Full Stack Development. With expert trainers, an industry-relevant curriculum, hands-on project experience, and excellent placement support, Ashok IT provides the perfect foundation for a successful career in full-stack development. If you’re looking to jumpstart your career in technology, Ashok IT is undoubtedly the best place to begin your journey in Java Full Stack Development.

Enroll today and transform your career with Ashok IT’s Java Full Stack Developer Course!

[javafullstackdev]

Spring Security Using Facebook Authorization: A Comprehensive Guide

In today's digital landscape, integrating third-party login mechanisms into applications has become a standard practice. It enhances user experience by allowing users to log in with their existing social media accounts. In this blog post, we will walk through the process of integrating Facebook authorization into a Spring Boot application using Spring Security.

Table of Contents

Introduction

Prerequisites

Setting Up Facebook Developer Account

Creating a Spring Boot Application

Configuring Spring Security for OAuth2 Login

Handling Facebook User Data

Testing the Integration

Conclusion

1. Introduction

OAuth2 is an open standard for access delegation, commonly used for token-based authentication. Facebook, among other social media platforms, supports OAuth2, making it possible to integrate Facebook login into your Spring Boot application.

2. Prerequisites

Before we start, ensure you have the following:

JDK 11 or later

Maven

An IDE (e.g., IntelliJ IDEA or Eclipse)

A Facebook Developer account

3. Setting Up Facebook Developer Account

To use Facebook login, you need to create an app on the Facebook Developer portal:

Go to the Facebook Developer website and log in.

Click on "My Apps" and then "Create App."

Choose an app type (e.g., "For Everything Else") and provide the required details.

Once the app is created, go to "Settings" > "Basic" and note down the App ID and App Secret.

Add a product, select "Facebook Login," and configure the Valid OAuth Redirect URIs to http://localhost:8080/login/oauth2/code/facebook.

4. Creating a Spring Boot Application

Create a new Spring Boot project with the necessary dependencies. You can use Spring Initializr or add the dependencies manually to your pom.xml.

Dependencies

<dependencies> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-security</artifactId> </dependency> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-web</artifactId> </dependency> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-oauth2-client</artifactId> </dependency> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-thymeleaf</artifactId> </dependency> </dependencies>

5. Configuring Spring Security for OAuth2 Login

Next, configure Spring Security to use Facebook for OAuth2 login.

application.properties

Add your Facebook app credentials to src/main/resources/application.properties.spring.security.oauth2.client.registration.facebook.client-id=YOUR_FACEBOOK_APP_ID spring.security.oauth2.client.registration.facebook.client-secret=YOUR_FACEBOOK_APP_SECRET spring.security.oauth2.client.registration.facebook.redirect-uri-template={baseUrl}/login/oauth2/code/{registrationId} spring.security.oauth2.client.registration.facebook.scope=email,public_profile spring.security.oauth2.client.registration.facebook.client-name=Facebook spring.security.oauth2.client.registration.facebook.authorization-grant-type=authorization_code spring.security.oauth2.client.provider.facebook.authorization-uri=https://www.facebook.com/v11.0/dialog/oauth spring.security.oauth2.client.provider.facebook.token-uri=https://graph.facebook.com/v11.0/oauth/access_token spring.security.oauth2.client.provider.facebook.user-info-uri=https://graph.facebook.com/me?fields=id,name,email spring.security.oauth2.client.provider.facebook.user-name-attribute=id

Security Configuration

Create a security configuration class to handle the OAuth2 login.import org.springframework.context.annotation.Bean; import org.springframework.context.annotation.Configuration; import org.springframework.security.config.annotation.web.builders.HttpSecurity; import org.springframework.security.config.annotation.web.configuration.EnableWebSecurity; import org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter; import org.springframework.security.oauth2.client.oidc.userinfo.OidcUserService; import org.springframework.security.oauth2.client.userinfo.DefaultOAuth2UserService; import org.springframework.security.oauth2.client.userinfo.OAuth2UserService; import org.springframework.security.oauth2.core.oidc.user.OidcUser; import org.springframework.security.oauth2.core.user.OAuth2User; import org.springframework.security.web.authentication.SimpleUrlAuthenticationFailureHandler; @Configuration @EnableWebSecurity public class SecurityConfig extends WebSecurityConfigurerAdapter { @Override protected void configure(HttpSecurity http) throws Exception { http .authorizeRequests(authorizeRequests -> authorizeRequests .antMatchers("/", "/error", "/webjars/**").permitAll() .anyRequest().authenticated() ) .oauth2Login(oauth2Login -> oauth2Login .loginPage("/login") .userInfoEndpoint(userInfoEndpoint -> userInfoEndpoint .oidcUserService(this.oidcUserService()) .userService(this.oAuth2UserService()) ) .failureHandler(new SimpleUrlAuthenticationFailureHandler()) ); } private OAuth2UserService<OidcUserRequest, OidcUser> oidcUserService() { final OidcUserService delegate = new OidcUserService(); return (userRequest) -> { OidcUser oidcUser = delegate.loadUser(userRequest); // Custom logic here return oidcUser; }; } private OAuth2UserService<OAuth2UserRequest, OAuth2User> oAuth2UserService() { final DefaultOAuth2UserService delegate = new DefaultOAuth2UserService(); return (userRequest) -> { OAuth2User oAuth2User = delegate.loadUser(userRequest); // Custom logic here return oAuth2User; }; } }

6. Handling Facebook User Data

After a successful login, you might want to handle and display user data.

Custom User Service

Create a custom service to process user details.import org.springframework.security.oauth2.core.user.OAuth2User; import org.springframework.security.oauth2.core.user.OAuth2UserAuthority; import org.springframework.security.oauth2.client.userinfo.OAuth2UserService; import org.springframework.security.oauth2.client.oidc.userinfo.OidcUserService; import org.springframework.security.oauth2.core.oidc.user.OidcUser; import org.springframework.security.oauth2.client.userinfo.DefaultOAuth2UserService; import org.springframework.security.oauth2.client.oidc.userinfo.OidcUserRequest; import org.springframework.security.oauth2.client.userinfo.OAuth2UserRequest; import org.springframework.stereotype.Service; import java.util.Map; import java.util.Set; import java.util.HashMap; @Service public class CustomOAuth2UserService implements OAuth2UserService<OAuth2UserRequest, OAuth2User> { private final DefaultOAuth2UserService delegate = new DefaultOAuth2UserService(); @Override public OAuth2User loadUser(OAuth2UserRequest userRequest) { OAuth2User oAuth2User = delegate.loadUser(userRequest); Map<String, Object> attributes = new HashMap<>(oAuth2User.getAttributes()); // Additional processing of attributes if needed return oAuth2User; } }

Controller

Create a controller to handle login and display user info.import org.springframework.security.core.annotation.AuthenticationPrincipal; import org.springframework.security.oauth2.core.user.OAuth2User; import org.springframework.stereotype.Controller; import org.springframework.ui.Model; import org.springframework.web.bind.annotation.GetMapping; @Controller public class LoginController { @GetMapping("/login") public String getLoginPage() { return "login"; } @GetMapping("/") public String getIndexPage(Model model, @AuthenticationPrincipal OAuth2User principal) { if (principal != null) { model.addAttribute("name", principal.getAttribute("name")); } return "index"; } }

Thymeleaf Templates

Create Thymeleaf templates for login and index pages.

src/main/resources/templates/login.html

<!DOCTYPE html> <html xmlns:th="http://www.thymeleaf.org"> <head> <title>Login</title> </head> <body> <h1>Login</h1> <a href="/oauth2/authorization/facebook">Login with Facebook</a> </body> </html>

src/main/resources/templates/index.html

<!DOCTYPE html> <html xmlns:th="http://www.thymeleaf.org"> <head> <title>Home</title> </head> <body> <h1>Home</h1> <div th:if="${name}"> <p>Welcome, <span th:text="${name}">User</span>!</p> </div> <div th:if="${!name}"> <p>Please <a href="/login">log in</a>.</p> </div> </body> </html>

7. Testing the Integration

Run your Spring Boot application and navigate to http://localhost:8080. Click on the "Login with Facebook" link and authenticate with your Facebook credentials. If everything is set up correctly, you should be redirected to the home page with your Facebook profile name displayed.

8. Conclusion

Integrating Facebook login into your Spring Boot application using Spring Security enhances user experience and leverages the power of OAuth2. With this setup, users can easily log in with their existing Facebook accounts, providing a seamless and secure authentication process.

By following this guide,

[hornetdynamics]

Node.js or Spring Boot- which is the best backend development Framework?

Hornet Dynamics is a renowned company in backend development and if you are searching for the answer of Which framework is best for backend application development between Node.js and Spring Boot then free yourself from this worry and come to us for every answer to your problem related to web development. 

[alvarusapb]

Introducción a Clientes REST en Spring Boot: Beneficios y Casos de Uso (1era. Parte)

Sección 1: ¿Por qué usar clientes REST con Spring Boot? Beneficios clave Desacoplar componentes de una aplicación: Los clientes REST permiten separar las funcionalidades de diferentes servicios, manteniendo cada uno independiente y modular. Reutilizar código: Con REST, los mismos clientes se pueden reutilizar en diferentes contextos, facilitando el mantenimiento y la eficiencia. Facilitar la…

[davidj12345]

What Does a Spring Boot Development Company Actually Do?

A Spring Boot development company builds scalable, secure, and high-performance backend applications using the Spring Boot framework. They specialize in creating RESTful APIs, microservices, and enterprise-level solutions tailored to client needs.