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Geeksforgeeks - Java Backend Development -

The story of GeeksforGeeks (GFG) Java Backend Development is a journey from the "Hello World" of Core Java to the complex architecture of modern microservices. It is designed as a high-intensity,

The program is typically structured as a 10 to 12-week live online course, though self-paced options are also available. It is led by industry experts and focuses on the Spring ecosystem, which is a dominant framework for Java backend engineering. GeeksForGeeks - JAVA Backend Development

SQL (Relational)

  • Join types: INNER, LEFT, RIGHT, SELF JOIN.
  • Indexing strategies: B-Tree vs Hash indexes.
  • GFG Practice: "50 SQL Interview Questions on Joins and Subqueries."
  • Caching (Redis), connection pooling, health checks, logging, metrics (Prometheus), load balancing
  • Maven / Gradle: Build automation and dependency management. (GFG: "Difference between pom.xml and build.gradle").
  • Git & GitHub: Version control basics – branching, merging, pull requests.
  • Docker: Containerizing your Spring Boot app. (GFG: "Dockerizing a Spring Boot Application").
  • REST API Testing: Postman and Spring’s MockMvc.
  • CI/CD Pipelines: Basic Jenkins setup (GFG article available).