Spring Boot Database Integration with JPA & PostgreSQL
Complete guide to database integration in Spring Boot using Spring Data JPA and Hibernate. Learn entity mapping, repository patterns, relationships, queries, and best practices with PostgreSQL.
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Phase 3: Core Java APIs - Collections, Streams, and More
Master Java's essential APIs including Collections Framework, Streams, Exception Handling, File I/O, and Date/Time. Complete guide for Spring Boot preparation.
Phase 2: Object-Oriented Programming in Java
Master OOP principles in Java including classes, inheritance, polymorphism, interfaces, and abstraction. Essential design patterns for experienced developers.
Phase 1: Java Fundamentals - Getting Started with Java
Master Java syntax, control flow, methods, and basic OOP concepts. The essential foundation for experienced developers transitioning to Java in 2 weeks.
Java Learning Roadmap: From Zero to Spring Boot Ready
A comprehensive 6-week roadmap to master Java fundamentals, object-oriented programming, and core APIs. Perfect for developers preparing for Spring Boot development.
Getting Started with Spring Boot: Your First Project
Complete guide to installing Java, setting up Spring Boot, and creating your first REST API. Learn development tools, project structure, and best practices for building modern Java applications.
Duck Typing vs Explicit Interface vs Implicit Interface: A Comprehensive Comparison
Explore three distinct approaches to defining and enforcing contracts in code: duck typing (Python, TypeScript), explicit interface implementation (Java, C#), and implicit interface implementation (Go).