A complete guide to Hibernate ORM with Java — Session and persistence context architecture, entity mapping, OneToMany and ManyToMany relationships, JPQL and the Criteria API, lazy vs eager loading, the N+1 query problem, caching, and production best practices.
A complete guide to Selenium WebDriver with Java — driver setup and configuration, element location strategies, explicit and implicit waits, the Page Object Model, complex actions with the Actions API, screenshots, headless mode, parallel testing, and JUnit 5 integration.