Imagine you're hosting a party with exclusive invites and a strict guest list. Only invited guests can enter, and once they’re in, they’re free to roam. Sounds simple enough, right? But, what if you need different levels of access for different rooms...
Java Reflection is a powerful tool in the Java programming language that allows developers to inspect and manipulate classes, methods, and fields at runtime, even if they are private. While often associated with advanced programming, reflection is al...
Prerequisites: Java Programming: Basics: Classes, variables, loops, object-oriented programming (OOP), collections, and generics. Advanced: Design patterns, JVM, threads, servlets and JSPs, concurrency, and garbage collection. Build Tools: Maven,...
Architectural Overview TL;DR https://youtu.be/eG8caAniBrA?si=P_Ahr0UJ8m-Y3pHc If you’re like me— struggling with Spring Security — how to start or where to start then this is the right place for you. I’ve been learning and experimenting with Spring...
Introduction: While working with Spring Boot applications, most of the times we need to externalize configurations into properties files or environment variables. This makes our application more flexible and easier to maintain in production. In Sprin...
To connect MySQL with Spring Boot, you'll need to follow these steps: Add MySQL dependencies to your project Configure the database connection Create a simple entity and repository Here's a concise guide: Add dependencies to your pom.xml: <dep...
This blog will help you to create your first Spring Application: Prerequisites: Java Development Kit (JDK) installed An IDE like IntelliJ IDEA, Eclipse, or Spring Tool Suite (STS) Basic understanding of Java Step 1: Create a New Spring Boot Proj...
Introduction to Spring Security What is Spring Security? Spring Security is a powerful and highly customisable authentication and access control framework for Java applications. It is part of the larger Spring Framework ecosystem and provides compreh...
In this blog, we will explore the concept of JSON Web Tokens (JWT) and how they can be effectively utilized for authentication and authorization in a Spring Boot 3 application. JWTs provide a secure way to transmit information between parties, enabli...
Introduction: When developing a Spring Boot application that accepts user data, it's crucial to ensure the data is secure, maintains integrity, and meets specific constraints. For example, a user's age should be between 0 and 150 years. To handle the...
