Sending Emails with AWS SES Using Java and Spring Boot – A Complete Guide

Overview Amazon Simple Email Service (SES) is a cloud-based email sending service designed to help digital marketers and application developers send marketing, notification, and transactional emails. In this tutorial,...
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3 min read

Spring    

Implementing JWT Authentication in Spring Boot Security (Full Example)

Overview JSON Web Token (JWT) is a compact and self-contained way of securely transmitting information between parties. In modern...
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4 min read

Comprehensive Guide to Testing Spring Boot Applications with JUnit and Mockito

Testing is an essential part of developing robust and maintainable Spring Boot applications. This guide walks you through writing...
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3 min read

Spring Boot Exception Handling Best Practices with Real-World Example

Exception handling is a critical part of any application, and with Spring Boot, you can implement robust and clean...
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3 min read

A Complete Guide to Spring Data Annotations (with Examples)

Spring Data simplifies data access and repository implementation by eliminating boilerplate code. At the core of Spring Data JPA...
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2 min read

ReactJS    

ReactJS + Tailwind CSS: Full Tutorial with Example & Project Structure

Combining ReactJS with Tailwind CSS gives you the power of fast, utility-first styling in a modern front-end framework. In...
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2 min read

Styling in ReactJS – A Complete Guide with Example and Project Structure

When developing applications in ReactJS, styling plays a crucial role in both the visual appeal and maintainability of your...
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2 min read

Understanding useRef and Refs in ReactJS (With Full Examples)

When building React applications, there are situations where you may need to directly access or interact with a DOM...
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1 min read

Using Multiple useEffect Hooks in a Single React Component

React’s useEffect hook allows functional components to perform side effects such as data fetching, subscriptions, or manually changing the...
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1 min read

System Design    

Building a REST API with Java, Spring Boot, and PostgreSQL – Best Practices & Full Example

Developing RESTful APIs is a cornerstone of modern backend development. When using Java, Spring Boot is the go-to framework...
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3 min read

Deploying Java AWS Lambda to Multiple Environments Using AWS SAM, Parameter Store, and One Codebase

Managing multiple environments (like dev and prod) with one codebase is a common challenge when building AWS Lambda functions....
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4 min read

Event-Driven Architecture with AWS Lambda & Amazon SQS Java

Using AWS Lambda to process messages from Amazon SQS is a powerful serverless pattern that allows you to scale...
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1 min read

Designing an Event-Driven Architecture in Java with Spring Boot

In today’s distributed systems world, responsiveness, scalability, and loose coupling are top priorities. Event-Driven Architecture (EDA) is a powerful...
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1 min read

All Articles

Spring Boot @Retryable Tutorial: Automatic Retry Made Easy with Full Example

Spring Boot @Retryable Tutorial: Automatic Retry Made Easy with Full Example

In modern applications, transient errors such as network glitches or temporary service unavailability are inevitable. Instead of failing immediately, it’s often...
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2 min read
Java 17 Switch Statement: Pattern Matching and Expression Support

Java 17 Switch Statement: Pattern Matching and Expression Support

Java 17 continues to evolve the language’s syntax, making code more concise and expressive. One of the key improvements is the...
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2 min read
Extracting Complex XML Elements and Attributes Using XPath in Java

Extracting Complex XML Elements and Attributes Using XPath in Java

XPath (XML Path Language) is a query language that lets you navigate and extract elements, attributes, and values from an XML...
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4 min read
Using Swagger in a Spring Boot Application (with Full Example)

Using Swagger in a Spring Boot Application (with Full Example)

Swagger is a powerful tool for documenting RESTful APIs. It provides an interactive interface to explore and test endpoints, making it...
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2 min read
Spring Boot Actuator: Detailed Guide with Full Examples

Spring Boot Actuator: Detailed Guide with Full Examples

Spring Boot Actuator is a powerful tool that helps you monitor and manage your Spring Boot applications. It exposes production-ready features...
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2 min read
How to Use @Autowired in Spring Framework

How to Use @Autowired in Spring Framework

In Spring, the @Autowired annotation is one of the most powerful and widely used features for dependency injection. It allows Spring...
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1 min read
Integrate AWS SQS with Java Using Spring Cloud AWS (Including FIFO & DLQ Support)

Integrate AWS SQS with Java Using Spring Cloud AWS (Including FIFO & DLQ Support)

In this tutorial, you’ll learn how to build a Spring Boot application using Spring Cloud AWS to interact with Amazon SQS,...
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2 min read
Amazon SQS with Spring Boot Using Spring Cloud AWS

Amazon SQS with Spring Boot Using Spring Cloud AWS

Amazon SQS (Simple Queue Service) is a fully managed message queuing service that enables decoupled and scalable microservice communication. Integrating SQS...
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1 min read
Using @Service Annotation in Spring Boot: A Detailed Guide

Using @Service Annotation in Spring Boot: A Detailed Guide

The @Service annotation in Spring Boot is one of the core stereotype annotations used to define business logic in a Spring...
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2 min read
Understanding REST Protocol and HTTP Methods with Java & Spring Boot

Understanding REST Protocol and HTTP Methods with Java & Spring Boot

Introduction REST (Representational State Transfer) is an architectural style used for designing networked applications. It relies on a stateless, client-server communication...
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2 min read