Udemy – Java Developer Interview Preparation Course

Welcome to the Complete Java Interview Preparation Course – Designed for Both Freshers and Experienced Developers!

Are you preparing for Java interviews and looking for a practical, hands-on course that makes concepts crystal clear?
This course is designed for both freshers and experienced developers who want to strengthen their core Java knowledge, master key backend development skills, and confidently crack interviews using real-time project experience.

We’ve taken a real-world Bank Customer Management System as the base project to teach core Java concepts, OOPs, SQL, REST APIs, and microservices — helping you bridge the gap between theory and real application development.

What You Will Learn:

• Java basics and OOPs explained with real examples from a microservices project
• REST API creation using Spring Boot for customer registration and retrieval
• Mastering SQL queries (DDL, DML, DQL, TCL, DCL) using MySQL Workbench
• Encapsulation, Inheritance, Polymorphism, Abstraction explained with clean code examples
• Real-time project folder structure and flow
• Best practices for interview preparation

Topics Covered:

• Java Syntax, Data Types, and Control Flow
• Object-Oriented Programming with real examples:
  • Encapsulation – Creating Customer entity
  • Abstraction – Interface vs implementation in service layer
  • Polymorphism – Method overloading and overriding
  • Inheritance – Single, Hierarchical, Hybrid structures in Java
• Creating REST APIs with Spring Boot (@RestController, @PostMapping, @GetMapping)
• Spring Data JPA and Hibernate for DB interaction
• MySQL Integration – Writing and testing SQL commands
• API Testing using Postman

Course Highlights:

• Real-time project-based learning (Bank Customer Microservice)
• Suitable for absolute beginners and working professionals
• Hands-on REST API creation, service & repository implementation
• Interview-focused explanations and practical examples
• Cheat sheets, code templates, and ready-made interview Q&A
• Boost your confidence in both Java core and backend concepts

Who This Course Is For:

• Freshers aiming to crack their first Java developer interview
• Experienced professionals wanting to revise Java and explore microservices
• Anyone seeking to understand Java + Spring Boot + SQL with practical use cases
• Learners who prefer project-based learning over theory-heavy content

Your dream job is waiting. Let’s start preparing the right way. Join now and take the first step towards your Java success!

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