
Spring Boot lets you create standalone, production-grade Spring-based applications to run with minimal setup, providing an opinionated view of the Spring platform and third-party libraries while reducing boilerplate.
Discover how Spring Boot enables standalone Spring applications with embedded servers, simplified Maven setup via starter poms, automatic configuration, and production-ready features like metrics, health checks, and externalized configuration.
Learn to start Spring Boot with the command line interface tool, Spring Tool Suite, and spring initializer, including groovy scripting, dot class files, Java 1.8, and Maven.
Install spring boot cli by downloading and unzipping, set spring home, verify with spring --version, then run spring run app.groovy to launch a rest controller with request mapping on localhost:8080.
Explore a plain folder-based Spring Boot CLI Java example, building a Maven project with pom.xml, dependencies, and a simple rest controller that runs with SpringApplication.run.
Learn to run and package a Spring Boot Java app with Maven, use REST controller and request mapping, and understand auto configuration and executable jar deployment on localhost.
Explore how spring boot starters automate boilerplate code and dependencies via pom.xml, including web, test, mobile, and social starters, and learn to bootstrap projects with the spring initializer at start.spring.io.
Showcases how Spring Initializr creates a Maven Java project with Spring Boot 1.5.3 and web and JPA starters. Navigate the generated structure: pom.xml, application.properties, src/main/java, and embedded Tomcat.
download and install the spring tool suite (sts) version 4.6.3 from spring.io/tools for windows 64-bit, unzip, launch with eclipse launcher, and import a maven project via pom.xml.
Debug a Spring Boot app in Spring Tool Suite by fixing embedded database config, adding a rest controller to resolve the white label error, and observing Tomcat hot reload.
Learn to create a spring initializr project via the cli with spring init, mirroring the web interface on spring.io and generating a demo.zip with src and pom.xml.
Explore creating customized Spring Boot projects from the CLI with spring init, selecting dependencies (web, security), choosing packaging (jar or war), and configuring Java and boot versions.
Learn to create and run a Spring Boot application using STS (Spring Tool Suite), selecting a Maven web project, configuring Java 1.8, and running the app with SpringApplication.run.
Learn to build a spring boot rest controller by creating a controller, mapping requests, and leveraging the base package and component scan to configure beans and the application context.
Explore how spring boot loads initial beans on startup, uses command line runners and application context to list bean definitions, and leverages auto configuration and embedded Tomcat.
Learn how Spring Boot starts the embedded Tomcat on port 8080, loads beans via the application context, and packages as a jar file, with actuator health insights.
Learn to write unit tests in a Spring Boot app by isolating the controller layer, using the Spring Boot Starter Test and MockMvc to mock requests and verify responses.
Execute unit tests for a Spring Boot controller using MockMvc, performing a get request with a JSON media type, asserting a 200 ok status and the expected response content.
Explore integration testing in Spring Boot by validating end-to-end flows from the controller to the service and data access using a real URL, random port, and TestRestTemplate.
Explore Thymeleaf templates in Spring Boot, including enabling the Thymeleaf dependency, placing templates in resources/templates, and enabling data flow between pages to render dynamic data in a web page.
Submit pizza name and topping via a thymeleaf template using a post method, creating a pizza model with getters and setters and a save data controller.
Build a Spring Boot controller method to save data and return a model. Use Thymeleaf to render a pizza-data template and bind a pizza model in a post form.
Build a running Thymeleaf demo by wiring index.html and the data template to display the pizza name and toppings, and exchange data with the Spring Boot backend.
Discover how Spring Boot auto configuration works and how to override defaults with a custom setup, using Spring Security as a practical example.
Extend web security configure adapter and override configure methods to customize http security, using matchers to permit all for slash star patterns and exclude auto configuration to prevent password logging.
Learn how to override Spring Boot configurations via command line, properties or YAML files, or environment variables, and disable the banner and template caching.
Explore how Spring Boot logging works with logback, configure logging levels via application properties, control console and file outputs, and customize logback with xml or logback-spring.xml for advanced scenarios.
Configure logback in a Spring Boot app to print logs to a file with a file appender and learn log format: date, time, level, process id, thread, logger, and message.
Explore logback basics, configure log patterns and log files, and manage spring boot starter exclusions to switch to log4j2. Learn console and file logging setups and patterns.
Learn to configure log4j2 in Spring Boot using log4j2-spring.xml, set up console and file appenders, customize patterns, and compare with logback to tailor log output.
Explore practical logging in Spring Boot by configuring loggers with a logger factory and emitting info, warning, debug, and error messages to study log levels.
Connects spring boot to databases by explaining in-memory and production databases, configuring data sources via application properties, and using schema.sql and data.sql for initialization.
Examine a practical spring boot database example using pom.xml, spring boot starter jdbc, hsqldb, and schema and data sql files to manage employees with a jdbc template.
Attach the row mapper to create employee objects, expose a read-only /employees endpoint via the service layer, and fetch employee data as JSON from the SQL DB.
Configure production databases in Spring Boot by switching from in-memory to a MySQL data source via application.properties, including driver, url, username, and password; Spring Boot auto-configures the data source bean.
Learn how Spring Data and Spring Data JPA simplify data access with repositories, enabling CRUD operations, pagination, and automatic table creation via Hibernate.
Switch to Spring Data by creating an employee repository that extends CrudRepository, annotating the employee model with entity, table, id, generated value, and column mappings for MySQL.
Explore crud repository operations in Spring Data, including create, read, update, delete, find one, and fetch all, with repository methods and practical examples.
Spring boot caching uses Redis as an in-memory cache to speed data access by storing recently read items, with lru eviction and a check cache, fetch on miss, populate workflow.
Install and run Redis on Windows and verify with Redis CLI ping; then set up a Spring Boot project in Spring Tool Suite with MySQL and JPA for employee demo.
Create a configuration file that wires the Redis cache: define a connection factory with host 127.0.0.10 and port 6379, set up a Redis template, and configure a Redis cache manager.
Explore Spring Security in a Spring Boot app, covering authentication and authorization, their differences, and how the Spring Boot starter security enables secure access.
Explore building a Thymeleaf-based web app with Spring Boot. Configure views and controllers, and introduce Spring Security with a login page to protect a Hello page.
Secure a Spring Boot web app with Spring Security by enabling security, configuring http security, using form login on a login page, and in-memory authentication.
Build a login form with username and password fields and thymeleaf conditionals for invalid credentials or logout, and display the remote user on the hello page via http servlet request.
Learn how spring security and spring boot protect routes with a web security configuration and an in-memory user store. See how login, logout, and URL access control are implemented.
Discover how Spring Boot Actuator enhances production-grade applications by exposing health, metrics, and configuration endpoints, with insights into auto configurations and security considerations.
Learn to customize Spring Boot actuator endpoints with application.properties, controlling enabled, sensitivity, and security, and configure management port and context path for endpoints such as health, info, and metrics.
Explore how to configure and use Spring Boot actuator endpoints, including health, metrics, and beans, by adding web dependencies, updating Maven, and running the app on port 8080.
Explore how spring boot actuator's health endpoint aggregates health indicators from disk space, data source, mongo, rabbit, and solr, and learn to control visibility with health sensitivity and security settings.
Explore building a custom Spring Boot health indicator by implementing the HealthIndicator interface, configuring a health check with business logic, and returning up or down statuses with detail codes.
Explore Spring Boot actuator fundamentals with health and info endpoints, customizing application info and health status, and configuring metrics and context paths for production readiness.
Explore NoSQL databases and how Spring Boot integrates them through Spring Data auto-configuration, covering document, graph, key-value, and wide-column stores, with a deep dive into MongoDB.
Explore MongoDB as a NoSQL document database with a JSON-like schema and Spring Data MongoDB repositories, plus mongo template auto-configuration; also review Neo4j, Redis, and Gemfire support.
Explore Solr and Elasticsearch in Spring Boot to power fast NoSQL search and analytics, using Spring Boot Starter Data, Solr client, and Elasticsearch's rest json interfaces.
Explore advanced Spring Boot with MongoDB integration using Spring Data MongoDB, and learn to configure properties, URI, host, and port while building a movie document with getters, setters, and toString.
Extend the mongo repository interface to model a movie and wire a rest controller with autowiring and mapping to perform CRUD operations using Spring Boot and MongoDB.
Learn to implement create, read, update, and delete operations for movies using a MongoDB repository, including find by id, read all, and update.
Explore microservice architecture in Spring Boot, with independently deployable services that communicate via http rest and json. See how API gateways and token security enable loose coupling and scalable independence.
Explore microservices architecture with Spring Boot, emphasizing loose coupling and tight cohesion, independent deployment, fault isolation, and technology diversity, powered by Spring Cloud for service discovery and distributed patterns.
Explore client-side load balancing with Spring's rest template and discovery server for cart and checkout services. See how clean package structure and interface-driven design enable loose coupling in microservices.
Create a live microservices example by building a producer and a consumer, registering the producer with a Eureka server, and communicating via RestTemplate.
Build a spring boot producer microservice with a Eureka discovery client, register under an application name, and expose endpoints to list and fetch accounts.
Build a producer microservice around an account domain with a dao interface and its implementation, plus a rest controller exposing get all accounts and get account by id.
Develop a Java Spring Boot microservice for accounts using a map, a constructor-based model, and a controller with endpoints for accounts and by id.
Learn to segregate microservice code into separate workspaces for producer and consumer apps, register them with a discovery server using Eureka, and run multiple Spring Boot services with Rest template.
Create an account consumer service in a microservices architecture using Spring Boot, RestTemplate, and load-balanced bean configurations to fetch accounts from the accounts service.
Develop a microservices account service with a controller, producer and consumer, using a path variable id and rest template calls. Configure accounts microservice properties and use Eureka discovery.
Explore how Spring Boot Actuator exposes cache metrics for each defined cache, including size, hit and miss ratios, and learn to implement custom metrics and endpoints.
Create and inject custom metrics in Spring Boot using counter and gauge services, via a custom metric service provider, to track login successes and failures and submit them.
Create custom endpoints in Spring Boot by implementing the endpoint interface, defining id, enabled status, sensitivity, and data, then run and monitor login metrics.
Create and expose custom endpoints in Spring Boot, using an abstract endpoint to list all endpoints with actuator support, and discuss production grid services.
Learn to deploy a Spring Boot app to a Tomcat servlet container by packaging as war, marking embedded containers as provided, and deploying the war to Tomcat's webapps.
Explore deploying a Spring Boot app by converting packaging from jar to war, configuring embedded Tomcat with provided scope, and extending SpringBootServletInitializer to deploy on a server.
Observe Tomcat starting on port 8080 and deploying the war file through the manager app, configure Tomcat users, restart server, and verify deployment via deployment app details.
Explore how Spring Boot profiles segregate configurations across environments and activate a single profile at runtime using annotations, application properties, and command line options, with testing strategies.
Learn how to configure Spring Boot profiles to switch between roadway and airways travel implementations using @Profile and application properties, and verify the active profile with tests.
Run JUnit unit tests and explore Spring Boot profiles by comparing expected and actual travel outputs, capturing console logs, and refining assertions to verify default and explicit profiles.
Configure profile specific properties for dev, test, and prod in Spring Boot and generate configuration metadata with the configuration processor to print database details via a command line runner.
Create profile-specific properties and yaml configurations in a Spring Boot app by adding application-dev.properties, application-test.properties, and application-prod.properties. Print data.db.details with host, user, and password via a command line runner.
Learn how Spring Boot selects profile-specific properties and yaml files for dev, test, and prod environments, then package and run with different profiles.
Upload a file via a spring boot controller, write its bytes to a demo folder, assign a flash message with the original name, and redirect to the status page.
Configure robust multipart file uploads in spring boot by setting higher max file size, handling empty data with a custom exception and exception handler, and guiding through practical upload examples.
Learn to upload multiple files asynchronously using Ajax and jQuery to a Spring Boot app via a dedicated upload endpoint, avoiding page reloads and sending multipart data.
This lecture demonstrates a spring boot multi-file upload with ajax, converting multipart files to a list, saving bytes to server paths, and returning a success response, with a thymeleaf form.
Master multi-file uploads in a Spring Boot app using Ajax and multipart form data. Prevent default submission, build form data, post to upload endpoint, and handle success, error, and debugging.
Explore how to build an appointment management system using Java Spring Boot, Hibernate, JPA, and MySQL, with CRUD operations and microservices concepts, plus JUnit testing.
Create a Spring Boot project using Eclipse or Spring Tool Suite, and model data with a Pojo entity mapped to appointment_table featuring id, username, description, and date in MVC architecture.
Create services for appointment management with Spring Boot and JPA, enabling CRUD operations via a repository and interface, using @Service and optional handling for robust data access.
Explore how JPA, Hibernate, and Spring Data repositories simplify data persistence with predefined CRUD methods, including find by username and save, using a generic AppManager parameter.
Learn to build a spring mvc controller for managing appointments, including add, update, delete, and show flows, with date binding and username retrieval via security context.
Explore how Spring controllers manage application flow with welcome, added, and error handling, using request mappings and security context for login, logout, and exception management.
Explore configuring a Spring Boot application with Maven dependencies, embedded Tomcat, and application.properties file for MySQL connectivity using Hibernate dialect, JDBC, and data sources, noting JSP pages are not supported.
Explain how pom.xml enables JSP views with Jasper in a Spring Boot app, and how to build header, footer, and navigation for login, welcome, and appointment management pages.
See how Spring Boot and Hibernate map entities to tables in a MySQL database with annotations like @Table and @Id, and why you must create the database first.
Explore a Spring Boot model-view-controller project for managing appointments. It covers a model, controller, views, and services with JDBC CRUD operations via repository, backed by an H2 database.
Master unit testing with JUnit in a Spring Boot context. Use annotations such as before class, after class, and test to validate an error controller and id retrieval.
The course "Java Spring Boot Mastery" is a comprehensive program designed to equip learners with the essential skills and knowledge required to become proficient Java Spring Boot developers. Through a combination of theoretical explanations, hands-on exercises, and real-world case studies, this course offers a structured learning path that caters to both beginners and experienced developers looking to enhance their expertise in Spring Boot development.
With a focus on practical application and industry-relevant techniques, students will gain a deep understanding of Spring Boot's core concepts, advanced features, and best practices. From setting up a Spring Boot project to deploying microservices architectures and building robust web applications, this course covers a wide range of topics essential for modern Java development.
Whether you're a seasoned developer seeking to upgrade your skills or a newcomer to Java Spring Boot looking to kickstart your career, this course provides the comprehensive guidance and resources needed to succeed in today's competitive software development landscape. Join us on this exciting journey and unlock the full potential of Java Spring Boot development!
Section 1: Java Spring Boot
This section serves as a foundational pillar for students venturing into Java Spring Boot development. Through a series of introductory lectures, learners grasp the core essence of Spring Boot, understanding its significance in modern application development. They delve into its architecture, comprehending how Spring Boot simplifies the configuration and setup of Spring-based applications. Practical demonstrations and examples elucidate key features like Spring Boot CLI tools, POM starters, and Spring Initializr, empowering students to kickstart their Spring Boot projects efficiently. By familiarizing themselves with annotation-based configurations and exploring unit testing techniques, students establish a solid groundwork for their journey ahead.
Section 2: Java Spring Boot - Advanced
Expanding upon the foundational knowledge, this section delves into the advanced realms of Java Spring Boot development. Students venture into sophisticated topics such as Spring Boot Actuator for application monitoring and management, gaining insights into customizing endpoints and integrating health indicators. Through practical exercises, they master advanced database interactions, including NoSQL databases like MongoDB and Solr. Moreover, students explore microservices architecture, learning to build, deploy, and manage microservices using Spring Boot. By the section's conclusion, learners are equipped with the expertise to architect robust, scalable, and resilient applications leveraging Java Spring Boot's advanced capabilities.
Section 3: Java Spring Boot Case Study - Appointment Management System
In this culminating section, students embark on a hands-on journey through a comprehensive case study: the development of an Appointment Management System using Java Spring Boot. Guided by instructors and supported by step-by-step tutorials, learners translate their theoretical knowledge into practical application. They traverse the entire software development lifecycle, from requirement analysis and data modeling to implementation, testing, and deployment. By actively participating in the creation of a real-world application, students consolidate their understanding of Java Spring Boot's concepts and principles. Additionally, they cultivate essential skills in project management, collaboration, and problem-solving, preparing them for real-world development challenges. Upon completing the case study, students emerge with a robust portfolio piece and the confidence to tackle complex Java Spring Boot projects independently.