Mastering Java Spring Framework

Explore the Spring Framework for Java, a lightweight non-intrusive platform, covering IoC, AOP, Java EE applications, persistence, web development, and XML configuration.

Explore how the Spring framework uses inversion of control and POJO-based components to decouple code, automate configuration, support declarative transaction management, dependency injection, and easy integration with third-party tools.

Master Spring usage scenarios across presentation, business, and persistence layers. Utilize inversion of control, dependency injection, and bean configuration to build decoupled services and DAOs with an application context.

Develop and validate a spring mvc login and registration flow using a sample app, applying constraints for empty fields and guiding project structure in spring tool suite.

Create packages com dot assign dot login dot dao and com dot assign dot login dot validation; define a customer entity with @Entity and set up spring and hibernate dependencies.

Explore adding Spring dependencies in the pom.xml from the Maven repository, including Spring Web MVC, Spring ORM, Spring Context, and Spring JDBC, plus Hibernate Core, Hibernate Validator, and MySQL Connector.

Learn to use a model attribute to capture and validate registration form data, and implement login processing with http session authentication and redirects.

Create a new taglib for the Spring form in login.jsp, defining a uri and prefix, and build a centered login form with s:form and inputs for email and password.

Build a form using table rows and table data with radio buttons for gender, connecting login, register, success views, and a customer bean with name, mobile, gender, email, and password.

Create login.jsp and home.jsp, use table data and anchor tags with pageContext contextPath to link to /customer/register and /customer/login, showcasing dynamic navigation in a jsp-based login flow.

Create a register folder under views, add register.jsp, and build a jsp form using s:form that posts to /customer/register, with a centered heading and a red error display.

Explore how the spring framework enables database connectivity, create beans and dao classes, and implement JDBC-based data access using hibernate concepts to store and retrieve customer data.

Implement select and insert operations for a customer dao using the application context and Spring module xml, including find by customer id.

Navigate the spring module setup by importing resources in XML, configuring pom.xml dependencies for Spring framework and MySQL connector from the Maven repository.

Demonstrates building a spring framework app with a customer model and dao, configuring a data source to a mysql database db01, creating and querying the customer table.

Create a MySQL database for a shopping cart app by designing four tables: accounts, order details, orders, and product, and establishing primary and foreign keys and unique constraints.

Create a maven mvc project, then build four entity classes (accounts, order, order_details, product) with getters and setters, serializable, and entity mappings to their tables.

Configure the pom.xml for a Maven web app by declaring dependencies (Hibernate, Spring, JDBC, MySQL, Tomcat) and plugins (clean, surefire, war, tomcat) to build and run.

Create and configure data access objects for accounts, orders, and products, including find by username, save order and product, and pagination support for listings.

Implement account, order, and product DAOs with a session factory, using criteria queries and restrictions to retrieve accounts and products, and enable product pagination and image handling.

Implement a Spring DAO layer for products and orders with pagination, max order number calculation, and saving orders and order details from cart info, using criteria queries and session.

define a utilities class to manage cart data in session, providing methods to get and set cart info from the session, remove cart, and track the last order.

Create a validator properties file under src/main/resources/messages to define not empty and pattern validation messages, and add a ds-hibernate-cfg.properties with MySQL settings to configure Hibernate.

Configure the main controller to wire order dao, product dao, and customer information validator, bind data with a web data binder, validate input, and handle access denial with 403 error.

Manages product and order flows with the admin controller, including product validation, image uploads as blobs, and transactional product saving, with login and account checks and paginated orders.

Explore what Spring and Boot mean and how Spring Boot differs from the Spring Framework. See how Spring Boot builds standalone, production-grade apps with minimal configuration and starter forms.

Explore starting spring boot projects with the cli tool, spring tool suite, and spring initializer. Configure java 1.8 and maven 3.5.0, set java home and m2 home in environment variables.

Explore Spring Boot starters and how they auto-configure dependencies, then learn how the Spring Initializer generates a Maven project with Java and Spring Boot, streamlining setup.

Spring Initializr generates a Maven-based Spring Boot project with web and data JPA starters, embedded Tomcat, and Spring MVC configuration, then import into your favorite IDE.

Download and install the spring tool suite from spring.io/tool/sds, unzip, and run the STS exe to start using a pre-installed spring development environment and import Maven projects.

Start and troubleshoot a spring boot app in spring tool suite, fix embedded database errors, and expose a rest endpoint returning hello world.

Launch and run a Spring Boot application via Spring Tool Suite, creating a Maven-based starter project, configuring Java version and dependencies, and executing the app.

Master spring boot startup by observing how application context beans load at launch, using a command line runner to print bean definitions, and noting auto configuration and embedded Tomcat.

Explore Spring Boot with an embedded Tomcat, observe beans loading in the application context, and use Spring Actuator to check health, then package a runnable jar with mvn package.

Learn to write unit tests for a Spring Boot controller using MockMvc, understand unit vs integration testing, and achieve 70–80% code coverage with Spring Boot Starter Test.

Learn how to perform end-to-end integration tests in Spring by exercising the controller, service, and data access layers with a real URL, random port, and TestRestTemplate.

Explore Thymeleaf in Spring Boot through a demo, using HTML-like templates to render user interface. Configure Thymeleaf dependencies, place templates under resources, and map data with a model and view.

Illustrates a thymeleaf demo by building an html form with text input, posting to a controller, and binding data to a model with getters and setters.

Learn to build a Spring Boot Thymeleaf demo with a post controller method using a model attribute, returning a model and view, and rendering the bizarre-data template.

Explore Thymeleaf template basics in spring boot by exchanging data between index.html and data.html, displaying dynamic inputs, and controlling thymeleaf caching through application.properties.

Spring Boot auto configuration demonstrates how adding Spring Boot starter security enables authentication and authorization, with a default user and password shown in console and overridable via a security adapter.

Configure spring security by extending web security configuration adapter, override http security settings with ant matches and permit all, enable web security, and customize or disable security auto configuration.

Configure Spring Boot applications by overriding auto configurations using command line parameters, properties files, YAML files, or environment variables, and learn to disable the banner and cache for Thymeleaf templates.

Learn to disable thymeleaf template caching in a Spring Boot app using spring.thymeleaf.cache and apply changes without restarting, while noting when restarts are needed.

Understand why logging matters for auditing and debugging, learn how Spring Boot uses logback by default, and tailor log output with application properties and logback xml configurations on the classpath.

Learn to configure log4j2 using a log4j2-spring.xml file, including console and file appenders, log path properties, and patterns, and compare its output with logback formats.

Connect and configure databases in a Spring Boot app using in-memory or production databases, with JDBC dependencies, data source configuration, and schema.sql with data.sql initialization.

Explore setting up a spring boot jdbc project, adding dependencies in pom.xml, creating schema.sql and data.sql for an employees table, and implementing a service with jdbc template and row mapper.

Build a spring boot rest api by wiring a ro mapper with a transactional service, exposing /employees to return employee data as JSON from a database.

Explore production database configurations in a Java Spring app, and implement get by ID and create employee operations using JDBC template with prepared statements and generated keys.

Learn how to configure production databases in spring boot by switching from in-memory to MySQL, using application.properties to set spring.datasource driver, URL, username, and password.

Spring Data simplifies data access with repositories like CrudRepository and JpaRepository, maps objects to databases via Spring Data JPA and Hibernate, and auto-creates tables without manual SQL.

Replace manual sql with Spring Data by creating an employee repository that extends CrudRepository and annotating the employee model with JPA annotations for table, id, and columns.

Learn how to perform CRUD operations with Spring Data: create, read, update, and delete employees using a CRUD repository, including find one, fetch all, and delete by id.

Learn how Spring Boot enables caching with Redis as a third-party in-memory store. Implement cache lookups, eviction, and persistence to speed data access using Redis data structures and LRU evacuation.

Connect a Spring Boot app to Redis with a Redis template and Jedis connection factory. Use cacheable, cache put, and cache evict annotations with enable caching for employee data caching.

Explore how spring security provides authentication and authorization for spring boot applications, and how the authentication flow uses username password authentication token managed by an authentication manager and provider.

Continue the spring security tutorial with spring boot by securing the web app using a login page. Enable security, create a security config, and implement in-memory authentication and form login.

Create a login page with username and password fields and a login button, using thymeleaf to show parameter-based errors and logout messages, and display remote user via http servlet request.

Learn how spring security protects a spring boot app by configuring web security with a configure adapter and an in-memory user store for login and protected pages.

Update the maven project and add the web starter to run spring boot actuator. Explore health, metrics, env, beans, and config props endpoints to understand runtime status and security settings.

Explore how spring boot actuator health endpoints expose health indicator data, customize sensitivity, and configure indicators like disk space, data source, and mongo to monitor app health.

Explore NoSQL databases and Spring Boot integration, including MongoDB capabilities and Spring Data auto configuration, with coverage of document, graph, key-value, and wide-column stores.

Explore MongoDB as a NoSQL document database with a JSON-like schema and Spring Data MongoDB repositories. Connect using the mongo template with host, port, username, and password in Spring Boot.

Build a Spring Boot app with MongoDB using Spring Data MongoDB, configure the connection, and model a movie document with id, name, duration, and cast.

Design and implement a MongoDB-backed movie CRUD API by creating a movie repository interface extending Mongo repository, wiring a rest controller, and enabling create operations.

Explore how microservices replace monoliths with independently deployable, loosely coupled components and fault isolation. Learn how Spring Boot and Spring Cloud enable service discovery, rest communication, and scalable, configurable deployments.

Learn client side load balancing with Spring by registering services to a discovery server, discovering instances, and sending rest requests via a smart rest template.

Explore a live microservices pattern by creating a discovery service with Eureka server, registering a producer and a consumer, and communicating via rest template in a Spring Cloud setup.

Build a producer microservice with spring cloud eureka, register with a discovery server, configure eureka client properties, and define an accounts dto with id, name, and domain.

Implement the accounts dao with interfaces and impls, and expose a rest controller with endpoints to get all accounts and get account by id in a microservices app.

implement a class with an accounts map and a controller that exposes all accounts and account by id. plan segregating server, producer, and consumer in separate workspaces.

Segregate code into producer and consumer workspaces, import maven projects in spring tool suite, and register services with the discovery server to manage microservices with rest template.

Create a Spring Boot consumer service for a microservices architecture, wiring rest template and beans, defining the accounts service URL, and enabling a load balancer.

Learn how the account service controller wires a path variable ID to a producer-consumer microservice flow, using rest template calls and Eureka discovery to locate services.

Learn how spring boot actuator exposes cache metrics for each cache, including size and hit and miss ratios, with guava, hazelcast, or redis caching.

Create custom endpoints in Spring Boot by implementing an endpoint class and overriding getId, invoke, isEnabled, and isSensitive, then observe data and metrics.

Master Spring Boot profiles to segregate configuration and switch between road and airway service implementations using annotations and active profile settings.

Discover how to implement multiple travel interfaces with Spring Boot profiles, set a default roadway profile, and switch active profiles via application.properties or spring.profiles.active, with CLI and test examples.

Demonstrates testing Spring profiles with JUnit, capturing console output, and validating default vs. active profiles using assertions, logging controls, and banner suppression to ensure correct profile behavior.

Explore how to configure profile properties with Spring Boot, using YAML and properties files for dev, test, prod, and print database details via a command line runner.

Learn to upload files with Spring Boot using multipart files, set max file size to ten MB with application.properties, and copy the uploaded contents to a folder.

Implement a Spring Boot file upload example by handling multipart file data, writing bytes to a Dcba demo path, and displaying status via flash attributes and an upload status page.

Implement robust file uploads in a Spring Boot app by validating multipart data, handling empty files, and configuring max size with an exception handler and Tomcat settings.

Learn to implement multi-file upload with ajax in a Spring Boot app by preventing default submit, sending multipart form-data via form data, and debugging. Handle success and error responses.

Explore building an appointment management system with Spring Boot, Java, and Hibernate, implementing CRUD operations for scheduling, updating, and deleting appointments.

Build a spring boot maven project to manage appointments with mvc, using a pojo and a hibernate entity mapped to appointment_table, including id, username, description, target date, and is_done.

Mastering Java Spring Framework: understand creating services and implementing CRUD operations via a service interface, autowiring a JPA repository to manage appointments by username.

Explore how JPA repository, backed by the Java Persistence API and Hibernate ORM, simplifies data persistence by providing predefined create, read, update, and delete methods in Spring Data JPA.

Create a Spring MVC app management controller that wires the service, performs add, update, delete, and show operations, and uses a custom editor to bind dates for user-specific appointments.

Explore how the application management and welcome controllers use security context, logout handling, and an exception handler to manage login, logout, and errors in a Spring MVC app.

Explore how Maven dependencies power Spring Boot apps by bundling Tomcat, Jasper, and database drivers, and learn to configure application.properties for a MySQL database with a JPA repository.

Configure pom.xml to enable jsp-based views in a Spring Boot app, add jasper, security, and web dependencies, and reuse a common header, footer, and navigation across login and appointment pages.

a spring boot mvc app that manages appointments with a model, controller, and four views; provides create, read, update, delete via services and jpa repository, with security and tomcat 8080.

Explore unit testing with JUnit in Spring Boot, using annotations like before class and after class to test methods such as error controller handling exceptions and get id.

Explore how to build an employee management system in Java and implement continuous integration and development with Jenkins, from setting up a localhost server to automated builds and tests.

explore implementing a Java project in Jenkins, mastering ci/cd and testing, with prerequisites Java, Maven, Git, and Eclipse, for an employee management create-read-update-delete app.

Create a pojo class for employee with auto-generated id, name, designation, and salary; implement crud and set up an Eclipse project with Git and Jenkins.

Create an employee UI class with a main method and a menu for add, delete, display all, and exit; store employees in an array list collection with auto-generated IDs.

Learn to delete an employee by id from a collection, using get by index and remove by index, and display all employees with an iterator and a toString method.

Develop a user input validation flow for an employee form by creating a validator with regex patterns for name, designation, and salary, and integrate it into the user interface.

Define a user defined exception like employee exception, extend exception or throwable, implement default and parameterized constructors, and handle with try-catch and custom messages.

Learn how to add a Java project to git and push to a GitHub repository using Eclipse, including cloning, sharing, committing, and pushing to master.

Explore Java eight, nine, and twelve features—lambda expressions, streams, optional, string joiner, stream collectors, interface changes, modules, private methods in interfaces, and switch expressions—using NetBeans and JDK 13.

Explore Java eight lambda expressions as anonymous functions, learn the lambda operator (->), and see how functional interfaces replace anonymous inner classes with type inference.

Explore method references to instance methods and constructors, and learn Java eight streams and the stream API to perform aggregate operations, sort arrays, and process collections.

Java streams with array lists: apply filter and count as terminal operations, and understand lazy evaluation. Iterate, print results, and concatenate streams with Stream.concat.

Master Java stream filters by transforming a names stream, filtering by length, and collecting results into a list. Explore multiple conditions and map operations to square numbers and print results.

Explains Java eight interface changes, adding default and static methods, with examples of implementing default methods, calling static methods, and resolving method conflicts when multiple interfaces share a default method.

Master Java eight stream collector classes, using grouping by and counting to map occurrences, and collect to lists or sets, plus averaging int for averages.

Master string joiner in Java eight to join multiple strings with a delimiter and prefix or suffix. Learn to import java.util.StringJoiner, create instances, add values, and print results.

Master string joining with StringJoiner, including default values and conversion to string, then explore Java 8 Arrays parallel sort for primitives with optional start and end indices.

Explore how Java nine introduces private methods and private static methods in interfaces to share common code across default methods and reduce duplication, illustrated with Java eight versus nine examples.

Explore try with resources enhancements from Java 7 to Java 9, including automatic resource closing, reduced boilerplate, and the Java 9 improvement letting resources be declared outside the try block.

Learn how Java 9 allows the diamond operator with anonymous inner classes to reduce boilerplate. The @SafeVarArgs annotation now applies to private methods to suppress unsafe warnings.

Explore Java nine stream API enhancements, including drop while, take while, iterate, and off nullable, with practical examples and default interface methods.

Discover how Java 9 modules organize code using exported and concealed packages, and learn to create and use module-info with exports and requires to enable inter-module reuse.

Continue mastering Java collectors by filtering cities and using the teeing option to map name, region, and cost of living, then print results and preview Java 12 compact number format.

Learn Java 12's compact number format, a compact form of numbers like 10,000 as 10K, using getCompactNumberInstance with locales and short or long styles.

Explore number formats and fraction digits in Java, learn to set minimum and maximum fraction digits, format numbers with locale US and compact style, and understand rounding mode.

Explore number formatting in Java by configuring minimum and maximum fraction digits, applying rounding modes, and parsing numbers with compact formats and grouping control.

Discover the new string methods in Java 12, including string indent and the R transform. Explore JVM constant API enhancements with describeConstable and resolveConstantDesc.

Learn the new switch arrow form in Java 12 and apply it to grade logic with the arrow operator. Explore string handling, optional usage, and describe constable method.

Explore Java basics, JDBC, and object oriented concepts, then build a student management application with JPA, and compare JPA with Hibernate within a Maven and Spring Boot environment.

Create a maven project in eclipse using the quickstart archetype; set groupId and artifactId, then add hibernate and mysql connector dependencies in pom.xml and build the workspace.

Create a student exception by extending java.lang.Exception to enforce validation rules for name length, grade, and branch, with default message and parameterized constructors, and overridden getMessage and toString.

This lecture demonstrates implementing input validation in a Java console application using scanner input for number, name, grade, and branch, with try-catch error handling and sequential validation steps.

Master the add student operation within Java Spring framework app by configuring a persistence unit, creating an entity manager via a factory, and performing crud operations on a MySQL database.

begin a transaction, persist the student object, and commit to store the data in the database, then define the student as an entity for jpa mapping.

Explore displaying all student records in a Java Spring context by using a JPA query (select s from Student s), beginning and committing transactions, and printing results via a loop.

Update a student record by number: begin a transaction, find the student with the primary key, and update name, grade, or branch via a menu.

Begin a transaction, find the student by id, remove the entity, and commit to delete the record from the database, as part of the create-read-update-delete flow.

Demonstrates a Java Spring project performing CRUD operations on a student database using JPA with Hibernate, including add, display, update, delete, and exit workflows.

Explore Java basics and the Hibernate ORM, comparing it with JDBC. See how to map Java objects to relational tables by building an employee management system project.

Explore how to build a Java application using the Hibernate framework, highlighting its advantages over JDBC, prerequisites like Java, MySQL, and Maven, and implementing basic CRUD through an embedded project.

Create a Maven project in Eclipse using a quickstart archetype, configure groupId and artifactId, run a Hello world program, and set up a MySQL database named emp with Hibernate configuration.

Create the UI by building a console menu for employee management, using a scanner for input and a while loop with a switch to add, display, update, delete, or exit.

Create a basic pojo bean named employee with id, name, and salary, generate getters and setters, and annotate with @Entity, @Id, and @Column to map to the employee table.

Develop and validate employee data through case-based validation with try-catch handling, enforcing rules for id, name, and salary, and persisting validated data to the database.

Learn how to update an employee record using a Hibernate session, retrieve the employee by ID, modify name and salary, and commit the transaction, with user input guiding the updates.

Learn to delete an employee by id by locating the record with a find-by-id lookup, starting a session transaction, and deleting the employee object.

Explore the output of a spring-based employee management project. Observe how Hibernate drives crud operations in a console application.