Apache Shiro is a powerful and easy-to-use Java security framework that performs authentication, authorization, cryptography, and session management. With Shiro's easy-to-understand API, you can quickly and easily secure any application - from the smallest mobile applications to the largest web and enterprise applications.
How does Spring Boot 4 handle dependency injection and what are the core stereotypes?
What is the Spring Boot starter parent (POM) and how do you set up a Spring Boot 4 project?
What are JSpecify nullability annotations in Spring Boot 4 and why are they important?
What are the key breaking changes removed in Spring Boot 4 that were deprecated in Boot 3?
How does Spring Boot 4 testing work with @SpringBootTest and test slices?
What is Spring Security in Spring Boot 4 and what are the key Boot 4 changes?
What is the Java version baseline in Spring Boot 4 and what Java features does it unlock?
What is native API versioning in Spring Boot 4 and how do you use it?
What are @Retryable and @ConcurrencyLimit in Spring Boot 4 and how do they work?
What are HTTP Service Clients in Spring Boot 4 and how do you define them?
What is Spring Boot's application.properties / application.yml and how does configuration work?
What are Spring Boot profiles and how do you use them for environment-specific configuration?
What is Spring Boot Actuator and what does it provide in Boot 4?
How does Spring Boot 4 handle data access with Spring Data JPA?
What is Spring Boot 4 and when was it released?
What is the complete modularisation of Spring Boot 4 and why does it matter?
What is Jakarta EE 11 and what changes does it bring in Spring Boot 4?
How does Spring Boot 4 auto-configuration work and what is the new @AutoConfiguration annotation?
What changed with Jackson in Spring Boot 4 and what are the migration considerations?
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