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How can I use Spring Boot and Spring Data JPA to connect to multiple data sources?

Spring Boot, Spring Data JPA with Multiple DataSourcesSpring Boot and Spring Data JPA can be used to connect to multiple data sources. To do this,...

Oct 24, 2024 pm 06:34 PM

Java & Spring Best Practices | Factory Pattern

I’m thrilled to announce the third module of my java-spring-best-practices repository: the Factory Pattern! ? ? New Module: Factory Pattern In this module, we delve into the Factory Pattern, a creational design pattern that offers a flexi

Oct 23, 2024 pm 05:11 PM

Dive into Jackson for JSON in Java: Understanding JsonNode, ArrayNode, and ObjectMapper

Hey, fellow Java devs! ? Ever find yourself staring at JSON data and thinking, "How on earth do I work with this in Java?" Don't worry - you're not alone! Whether it's building APIs, consuming them, or just handling data, dealing with JSON

Oct 22, 2024 pm 10:25 PM

Start programming with SPRING BATCH

Introduction In your personal or professional projects, you sometimes process large volumes of data. Data batch processing is an efficient way to process large volumes of data where data is

Oct 22, 2024 pm 08:55 PM

How to Upload Files to AWS Ssing Java: A Step-by-Step Guide

Introduction Amazon Simple Storage Service (S3) is a powerful and scalable object storage service providing a reliable and cost-effective solution to store and retrieve any amount of data from anywhere on the web. In this article, we will explo

Oct 22, 2024 pm 08:49 PM

Apache Dubbo Released: Triple X Leads a New Era of Microservices Communication

Apache Dubbo has surpassed 40,000 stars, and the team is proud to announce the official release of Dubbo 3.3! As a leading open-source microservices framework, Dubbo has always been committed to providing developers with high-performance, scalable, a

Oct 22, 2024 pm 08:47 PM

Spring AOP for logging

AOP (Aspect Oriented programming) is a programming paradigm that allows the separation of business code from technical code. This paradigm is somewhat neglected by many developers but constitutes a very powerful tool. In this tutorial, no

Oct 22, 2024 pm 08:44 PM

Cyclic dependencies in spring boot

A cyclical dependency occurs in Java when two classes or two modules depend on each other, thus forming a cycle. Suppose we have two beans A and B which depend on each other as shown in the example below: @Compo

Oct 22, 2024 pm 08:26 PM

Quick look of JNDI (Java Naming and Directory Interface)

Simple to say, programmer can use the same JNDI interface to query the following lookup resources provided by application server, such as data source search LDAP entries lookup DNS records Brief introduction is here. The code Resource

Oct 22, 2024 am 06:12 AM

Java Spring Boot use Seq for logging

The primary motivation is that I use SEQ for logging, but I couldn't find a quick complete guide to use SEQ with java spring boot using gradle. So here I'm documenting my findings. Steps I'm using this configuration for the proje

Oct 22, 2024 am 06:08 AM

Feature Flags in Spring Boot using Aspect-Oriented Programming

In modern software development, feature flags play a crucial role in managing feature releases. By using feature flags (also known as feature toggles), developers can enable or disable features dynamically without redeploying the application. This ap

Oct 21, 2024 am 06:15 AM

What is Contract testing: A knowledge guide

Let’s Take an e-commerce platform, where there are different services for user authentication, product catalog, and order processing. These services communicate through APIs. For example, the order processing service needs to get product details from

Oct 19, 2024 pm 04:34 PM

JDBC client spring boot

Spring jdbc in spring boot 3.2 and spring framework 6.2 upgraded to fluent style api which is quite intuitive and easy to understand but if we are not careful in looking at what the methods are offering when using them we might encounter strange res

Oct 19, 2024 am 06:17 AM

Java Spring Boot use login a gradle project

The motivation here is that I've spent just too much time trying to figure out how to add logging with log4j in spring boot in gradle. Here the gradle part was the one giving me the most grief because all the documentations I could find was for maven

Oct 19, 2024 am 06:16 AM