What Is Spring PetClinic?
Spring PetClinic is a well-known reference application that demonstrates how to build a Spring-based web application. Learn its architecture, features, and how you can use it to master Spring.
Three Ways to Define Custom Queries in Spring Data JPA
Spring Data JPA provides multiple ways to define custom queries, making data retrieval flexible and efficient. Learn how to use Derived Queries, JPQL, and Native Queries with practical examples.
Spring Framework Ecosystem
Discover the Spring Framework Ecosystem, its core components, and why it is essential for Java developers with all its modules.
Self-Injection In Spring
Discover how self-injection in Spring resolves AOP limitations with self-invoking methods. Learn its benefits, risks, and when to use it effectively.
What Is Spring Security
Spring Security is a powerful authentication and authorization framework for Java applications. Learn how it works, why it's essential, and key security mechanisms like OAuth2, CAS, LDAP, and SAML.