Master Dependency Injection (DI) and Inversion of Control (IoC).
Use generic types to write reusable code and understand runtime inspection using reflection APIs. 3. Relational and Non-Relational Databases
ACID properties, normalization, indexing, and transactions. Databases to Learn: MySQL, PostgreSQL, or Oracle. GeeksForGeeks - JAVA Backend Development
This article explores how GeeksforGeeks is shaping the next generation of Java backend engineers through its comprehensive courses, detailed tutorials, hands-on projects, and extensive career support.
Before touching backend frameworks, GFG ensures you master the language itself. Master Dependency Injection (DI) and Inversion of Control
Despite modern frameworks, understanding Java EE fundamentals is crucial.
: Authentication, Authorization, and GitHub OAuth 2.0 integration. Before touching backend frameworks, GFG ensures you master
Gain proficiency in Maven or Gradle to manage external dependencies, build lifecycles, and plugins.
Pro Tip: Use GFG's interview questions. Search "Amazon Java Backend Questions GFG" to see the exact patterns asked in the last 6 months.
GeeksForGeeks has an entire dedicated "Spring Boot" module that rivals paid bootcamps. Here is what you need to read cover-to-cover: