Serving a ZIP File in Java with Spring Boot and Downloading It in ReactJS

This article demonstrates how to implement a REST API in Java using Spring Boot to serve a ZIP file and how to download it from a ReactJS frontend with...
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1 min read

Spring    

Using @Modifying and @Transactional in Spring JPA

Spring Data JPA provides powerful annotations like @Modifying and @Transactional to perform update and delete operations efficiently. These annotations...
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1 min read

A Complete Guide For CRUD Operations Using Spring JPA with Native Queries

Spring Data JPA provides an abstraction over traditional JPA, making database interactions easier. While JPA’s derived and JPQL queries...
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2 min read

Using @Primary and @Qualifier in Spring Boot with Full Example

Spring Boot provides powerful dependency injection features, allowing developers to manage beans effectively. Two key annotations, @Primary and @Qualifier,...
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1 min read

Circuit Breakers in Spring Boot: Ensuring Resilient Microservices

In distributed systems, failures are inevitable. A downstream service might become unavailable, or a network might experience latency issues....
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2 min read

ReactJS    

Understanding the use API in React 19 with Examples

React 19 introduces a powerful new API called use, which simplifies handling asynchronous operations in components. This API enables...
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1 min read

Understanding use client and use server in React 19

Introduction React 19 introduces a refined approach to handling client and server components with the explicit directives "use client"...
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1 min read

How to use React’s useActionState Hook

The useActionState hook in React 19 enables developers to directly manage state updates triggered by predefined actions. It’s like...
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1 min read

An Overview of Widely Used ReactJS Hooks

ReactJS introduced Hooks in version 16.8, revolutionizing the way developers write functional components. Hooks allow you to use state,...
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2 min read

System Design    

Microservices Based System with API Gateway and Rate Limiting in Java

In modern application architectures, microservices provide scalability, modularity, and ease of development. To manage communication between services and ensure...
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2 min read

Java Microservice with Authentication and User Interface

Microservice architecture, integrating a user interface (UI) involves designing a dynamic frontend that interacts seamlessly with the backend microservices....
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2 min read

Designing a Scalable Web UI with Microservices Architecture

Microservices have become a go-to architectural style for building robust, scalable, and maintainable systems. When designing a web UI...
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2 min read

All Articles

How to Marshalling and Unmarshalling Java Objects

How to Marshalling and Unmarshalling Java Objects

Introduction Marshalling and unmarshalling are essential processes in Java when working with object serialization and data exchange. Marshalling refers to converting...
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2 min read
Java 8’s Collectors Class with Practical Examples

Java 8’s Collectors Class with Practical Examples

Java 8 introduced the java.util.stream.Collectors class, which provides a collection of utility methods for performing mutable reduction operations on elements of...
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2 min read
What is Type Annotations in Java 8

What is Type Annotations in Java 8

Java 8 introduced Type Annotations, a powerful feature that expands the scope of annotations in Java programming. Previously, annotations could only...
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2 min read
Understand ReactJS Virtual DOM

Understand ReactJS Virtual DOM

ReactJS, a popular JavaScript library for building user interfaces, employs a powerful concept known as the Virtual DOM to optimize rendering...
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1 min read
ReactJS Concurrent Rendering for Real-Time Data Visualization

ReactJS Concurrent Rendering for Real-Time Data Visualization

Scenario You’re managing: Concurrent rendering ensures that real-time data updates don’t block user interactions, while filter changes and graph re-rendering are...
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2 min read
Handling Exceptions in Spring Boot with @ControllerAdvice

Handling Exceptions in Spring Boot with @ControllerAdvice

Introduction In a Spring Boot application, handling exceptions gracefully is crucial for providing meaningful error responses to clients. Instead of writing...
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1 min read
Spring Data JPA example with CRUD

Spring Data JPA example with CRUD

Spring Data JPA is a powerful framework for managing the persistence layer in Java applications. It simplifies database interactions by providing...
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1 min read
Fetching Data from an API using useEffect

Fetching Data from an API using useEffect

Let’s build a simple React app that fetches and displays user data from an API when the component mounts to learn...
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1 min read
Java 11 Local-Variable Syntax for Lambda Parameters

Java 11 Local-Variable Syntax for Lambda Parameters

Java 11 introduced a fantastic feature—Local-Variable Syntax for Lambda Parameters—designed to make coding simpler, cleaner, and more consistent. This enhancement builds...
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1 min read
How to chop a list into small chunks in Java?

How to chop a list into small chunks in Java?

Pagination is useful when dealing with large datasets, allowing us to process or display data in chunks rather than all at...
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2 min read