Java SpringBoot and JPA Online Course
Java SpringBoot and JPA Online Course
This course provides hands-on experience in developing real-world projects using Java, Spring, Spring Boot, Hibernate, Spring Data JPA, and RESTful Web Services. You will learn how these technologies integrate to build scalable applications while mastering essential design patterns like Singleton, Factory, MVC, and Adapter.
Key Highlights
Key topics include layered architecture, ORM with Spring Data JPA, entity relationships, and Swagger API documentation. You will also explore application health monitoring, code quality improvement with Sonar, and Maven build management. Practical testing using Postman will be covered, culminating in the development of a Property Management System, a fully functional, production-ready application.
Key Benefits
- Gain practical experience by building a fully functional application alongside the instructor, utilizing provided code files to reinforce your learning.
- Explore core Spring concepts, REST API development, and hands-on implementations to build scalable and efficient applications.
- Learn essential techniques to identify, resolve, and monitor application issues in real-time, ensuring optimal performance and reliability.
Target Audience
This course is ideal for beginner-level Java developers aspiring to kickstart their careers in the IT industry by gaining hands-on experience with Spring Boot, JPA, and Hibernate through a real-world project from scratch. It is also well-suited for Java developers looking to deepen their understanding of Spring Boot and build industry-standard applications. A foundational knowledge of Java programming is recommended to maximize learning outcomes.
Learning Objectives
- Develop a fully functional application following a structured layered architecture to enhance scalability and maintainability.
- Gain expertise in Swagger API documentation for seamless API integration and utilize Maven for efficient project build and dependency management.
- Learn to identify and resolve code quality issues using the Sonar Scan tool, ensuring robust and industry-compliant applications.
- Develop effective debugging techniques for multi-layered applications to streamline issue resolution and enhance performance.
- Utilize Postman for REST API testing and implement Spring Boot Actuator for real-time application monitoring and performance tracking.
Course Outline
The Java SpringBoot and JPA Exam covers the following topics -
Module 1. Foundation and Project Initialization
- Course Introduction and Objectives
- Setting Up Development Environment
- Creating a Spring Boot Starter Project
- Exploring the Structure of a Spring Boot Project
- Fundamentals of Spring Framework and Spring Boot
- Understanding RESTful Web Services: HTTP Methods, Status Codes, and Annotations
- MVC Architecture: Concept and Implementation – Part 1
- MVC Architecture: Deep Dive – Part 2
- Data Transfer Objects (DTO): Purpose and Implementation
- Hands-on: Developing a RESTful Web Service
- Practical Application of @RequestParam Annotation
- Implementing @PathVariable in a Real-world Scenario
- Utilizing @PostMapping, @PutMapping, @DeleteMapping, and ResponseEntity
Module 2. Multi-Layer Architecture, ORM, and Property API Development
- Implementing the Save Property Endpoint (@PostMapping)
- Service Layer and Dependency Injection: @Autowired, Singleton vs. Prototype
- Understanding Layered Architecture and Database Configurations Across DTAP
- Introduction to Hibernate ORM and JPA Specifications
- How Hibernate Works: Key Concepts and Functionality
- Entity Class Implementation and JPA Annotations
- Persisting Property Data with PropertyRepository
- MVC Architecture in Action
- Converting DTO to Entity Using PropertyConverter
- Returning Saved Entities with ResponseEntity
Module 3. Property Management: CRUD Operations
- Retrieving All Property Listings (@GetMapping)
- Updating Property Information: Full Update with @PutMapping
- Partial Update: Modifying Price or Description Using @PatchMapping
- Deleting a Property by ID with @DeleteMapping
Module 4. Configurations and Profile Management
- Introduction to Spring Profiles
- Configuring Different Database Profiles for DTAP Environments
- Validating Profile-Specific Configurations
- Accessing Custom Properties in Java Classes
Module 5. Version Control with Git and GitHub
- Initializing Git and GitHub for Project Management
- Committing Code Changes and Pushing to GitHub
- Connecting IntelliJ with GitHub for Seamless Integration
- Essential Git Commands Every Developer Should Know
Module 6. User Authentication and Code Quality Assurance
- Understanding User Registration and Authentication Flow
- Implementing UserEntity and UserRepository
- Creating UserService and DTOs
- Developing and Implementing UserService Logic
- Designing User Conversion Layer
- Completing User Registration Workflow
- Testing User Registration API
- Exploring @JsonIgnore and @JsonInclude Annotations
- Code Quality Assurance with Sonar Analysis
- JPQL and @FindBy Queries for Efficient Data Retrieval
- Developing Login API and Integrating with Business Logic
- Verifying User Login Functionality
Module 7. Advanced Error Handling and Aspect-Oriented Programming (AOP)
- Overview of Aspect-Oriented Programming (AOP)
- Designing a Standardized Error Response Model
- Implementing Custom Exception Handling
- Using AOP to Manage Exception Handling Efficiently
- Handling Invalid Login Attempts with Custom Exceptions
- Testing Error Scenarios for Invalid Logins
- Preventing Duplicate Registrations Using Email Constraints
- Validating User Registration and Committing Changes
- Field-Level Validation with Annotations
- Implementing Custom Validation Handlers
- Enforcing Validation Rules Using @Valid Annotation
Module 8. Effective Logging and Code Review Process
- Understanding Log Levels and Logging Mechanisms
- Configuring Logback XML for Structured Logging
- Testing Logging Across Different Environments
- Submitting Pull Requests for Code Review
Module 9. API Documentation with Swagger
- Importance of API Documentation with Swagger
- Setting Up Swagger for API Documentation
- Understanding Swagger JSON for Consumer Interaction
- Navigating Swagger UI and API Endpoints
- Enhancing Documentation with Additional Annotations
- Specifying Content Type with Produces and Consumes
Module 10. Application Monitoring and Performance Insights
- Monitoring Application Health with Spring Boot Actuator
- Enabling Web and JMX Endpoints for System Monitoring
Module 11. Entity Relationships in JPA
- Introduction to Entity Relationships in Spring Data JPA
- Implementing Many-to-One Relationship in Property Entity
- Retrieving and Associating User Data with Property Entities
- Persisting Multiple Properties for a Single User
- Updating Controllers, Services, and Repositories for Relationship Handling
- Testing One-to-Many Property Retrieval for Users
- Comparing FetchType.EAGER vs. FetchType.LAZY
- Implementing One-to-One Relationships in JPA
- Enhancing Repository, DTO, and Service Logic for Address Management
- Validating One-to-One Relationship Data
Module 12. Migrating to Spring Boot 3
- Understanding the Benefits of Upgrading to Spring Boot 3
- Transitioning from Java 8 to Java 17
- Updating Maven (pom.xml) for Spring Boot 3 and Replacing javax Imports
- Migrating from Swagger 2 to Springdoc-OpenAPI
- Resolving Logback and SLF4J Issues in Spring Boot 3
- Adapting MySQL Configuration for Spring Boot 3
- Enhancing Actuator for Monitoring
Module 13. Optimizing Database Queries with Spring Data JPA
- Crafting Efficient @FindBy Queries
- Using @FindBy with @Contains and @OrderBy for Sorted Results
- Executing @FindAllBy Queries Across Multiple Entities
- Structuring @FindBy Queries with Multiple Attributes and Operators
- Implementing Pagination in Spring Data JPA for Large Data Sets
- Exploring countBy, existsBy, and deleteBy Queries
