Factory Design Pattern vs Abstract Factory Design Pattern

Both patterns belong to the Creational Design Patterns category in the Gang of Four (GoF) design patterns. They deal with…
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Java Memory Management Explained: Heap, Stack, and Garbage Collection

Java applications rely heavily on efficient memory management to ensure performance and stability. Understanding how memory is allocated and managed…
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Spring Boot in a Nutshell

Spring Boot builds on Spring to let you create production-grade applications with minimal configuration. Annotations drive most of the functionality…
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Java: Project Lombok

What it is, why it helps, and how to use its most useful annotations in everyday Java coding. It’s designed…
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AEM: OIDC based Custom Authentication Handler

OpenID Connect or commonly known as OIDC is an authentication layer on top of the OAuth 2.0 authorization framework. It…
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Spring Security: Custom Authencation with OTP based login

We will walk through you on how to setup Spring Security with Custom Authentication handler for OTP based login. We…
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Spring: Database connection with MySQL

This is a walkthrough for establishing a connection between backend java code and database using spring boot. First you need…
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