Master Spring and Spring Boot

Notes and code developed while taking...

Master Spring and Spring Boot

Frameworks are the No 1 frameworks for building enterprise apps in the Java world.

The full course is available here -> Master Spring Boot 3 & Spring Framework 6 with Java

The notes and code are organized by course section as follows:

Getting Started - Master Spring Framework and Spring Boot

Getting Started - Master Spring Framework and Spring Boot

1. Getting Started with Java Spring Framework

Step 01 - Understanding the Need for Java Spring Framework
Step 02 - Getting Started with Java Spring Framework
Step 03 - Creating a New Spring Framework Project with Maven and Java
Step 04 - Getting Started with Java Gaming Application
Step 05 - Understanding Loose Coupling and Tight Coupling
Step 06 - Introducting Java Interface to Make App Loosely Coupled
Step 07 - Bringing in Spring Framework to Make Java App Loosely Coupled
Step 08 - Your First Java Spring Bean and Launching Java Spring Configuration
Step 09 - Creating More Java Spring Beans in Spring Java Configuration File
Step 10 - Implementing Auto Wiring in Spring Framework Java Configuration File
Step 11 - Questions about Spring Framework - What will we learn?
Step 12 - Understanding Spring IOC Container - Application Context and Bean Factory
Step 13 - Exploring Java Bean vs POJO vs Spring Bean
Step 14 - Exploring Spring Framework Bean Auto Wiring - Primary and Qualifier Annotations
Step 15 - Using Spring Framework to Manage Beans for Java Gaming App
Step 16 - More Questions about Java Spring Framework - What will we learn?
Step 17 - Exploring Spring Framework With Java - Section 1 - Review

2. Using Spring Framework to Create and Manage Your Java Objects

Step 01 - Getting Spring Framework to Create and Manage Your Java Objects
Step 02 - Exploring Primary and Qualifier Annotations for Spring Components
Step 03 - Primary and Qualifier - Which Spring Annotation Should You Use?
Step 04 - Exploring Spring Framework - Different Types of Dependency Injection
Step 05 - Java Spring Framework - Understanding Important Terminology
Step 06 - Java Spring Framework - Comparing @Component vs @Bean
Step 07 - Why do we have dependencies in Java Spring Applications?
Step 08 - Exercise/ Solution for Real World Java Spring Framework Example
Step 09 - Exploring Spring Framework With Java - Section 2 - Review

3. Exploring Spring Framework Advanced Features

Step 01 - Exploring Lazy and Eager Initialization of Spring Framework Beans
Step 02 - Comparing Lazy Initialization vs Eager Initialization
Step 03 - Exploring Java Spring Framework Bean Scopes - Prototype and Singleton
Step 04 - Comparing Prototype vs Singleton - Spring Framework Bean Scopes
Step 05 - Exploring Spring Beans - PostConstruct and PreDestroy
Step 06 - Evolution of Jakarta EE - Comparing with J2EE and Java EE
Step 07 - Exploring Jakarta CDI with Spring Framework and Java
Step 08 - Exploring Java Spring XML Configuration
Step 09 - Exploring Java Annotations vs XML Configuration for Java Spring Framework
Step 10 - Exploring Spring Framework Stereotype Annotations - Component and more
Step 11 - Quick Review - Important Spring Framework Annotations
Step 12 - Quick Review - Important Spring Framework Concepts
Step 13 - Exploring Spring Big Picture - Framework, Modules and Projects

4. Getting Started with Spring Boot

Step 01 - Getting Started with Spring Boot - Goals
Step 02 - Understanding the World Before Spring Boot - 10000 Feet Overview
Step 03 - Setting up New Spring Boot Project with Spring Initializr
Step 04 - Build a Hello World API with Spring Boot
Step 05 - Understanding the Goal of Spring Boot
Step 06 - Understanding Spring Boot Magic - Spring Boot Starter Projects
Step 07 - Understanding Spring Boot Magic - Auto Configuration
Step 08 - Build Faster with Spring Boot DevTools
Step 09 - Get Production Ready with Spring Boot - 1 - Profiles
Step 10 - Get Production Ready with Spring Boot - 2 - ConfigurationProperties
Step 11 - Get Production Ready with Spring Boot - 3 - Embedded Servers
Step 12 - Get Production Ready with Spring Boot - 4 - Actuator
Step 13 - Understanding Spring Boot vs Spring vs Spring MVC
Step 14 - Getting Started with Spring Boot - Review

6. Getting Started with JPA and Hibernate with Spring and Spring Boot

Step 01 - Getting Started with JPA and Hibernate - Goals
Step 02 - Setting up New Spring Boot Project for JPA and Hibernate
Step 03 - Launching up H2 Console and Creating Course Table in H2
Step 04 - Getting Started with Spring JDBC
Step 05 - Inserting Hardcoded Data using Spring JDBC
Step 06 - Inserting and Deleting Data using Spring JDBC
Step 07 - Querying Data using Spring JDBC
Step 08 - Getting Started with JPA and EntityManager
Step 09 - Exploring the Magic of JPA
Step 10 - Getting Started with Spring Data JPA
Step 11 - Exploring features of Spring Data JPA
Step 12 - Understanding difference between Hibernate and JPA

7. Build Java Web Application with Spring Framework, Spring Boot and Hibernate

Step 00 - Introduction to Building Web App with Spring Boot
Step 01 - Creating Spring Boot Web Application with Spring Initializr
Step 02 - Quick overview of Spring Boot Project
Step 03 - First Spring MVC Controller, @ResponseBody, @Controller
Step 04 - 01 - Enhancing Spring MVC Controller to provide HTML response
Step 04 - 02 - Exploring Step By Step Coding and Debugging Guide
Step 05 - Redirect to a JSP using Spring Boot - Controller, @ResponseBody and View Resolver
Step 06 - Exercise - Creating LoginController and login view
Step 07 - Quick Overview - How does web work - Request and Response
Step 08 - Capturing QueryParams using RequestParam and First Look at Model
Step 09 - Quick Overview - Importance of Logging with Spring Boot
Step 10 - Understanding DispatcherServlet, Model 1, Model 2 and Front Controller
Step 11 - Creating a Login Form
Step 12 - Displaying Login Credentials in a JSP using Model
Step 13 - Add hard coded validation of userid and password
Step 14 - Getting started with Todo Features - Creating Todo and TodoService
Step 15 - Creating first version of List Todos Page
Step 16 - Understanding Session vs Model vs Request - @SessionAttributes
Step 17 - Adding JSTL to Spring Boot Project and Showing Todos in a Table
Step 18 - Adding Bootstrap CSS framework to Spring Boot Project using webjars
Step 19 - Formatting JSP pages with Bootstrap CSS framework
Step 20 - Lets Add a New Todo - Create a new View
Step 21 - Enhancing TodoService to add the todo
Step 22 - Adding Validations using Spring Boot Starter Validation
Step 23 - Using Command Beans to implement New Todo Page Validations
Step 24 - Implementing Delete Todo Feature - New View
Step 25 - Implementing Update Todo - 1 - Show Update Todo Page
Step 26 - Implementing Update Todo - 1 - Save changes to Todo
Step 27 - Adding Target Date Field to Todo Page
Step 28 - Adding a Navigation Bar and Implementing JSP Fragments
Step 29 - Preparing for Spring Security
Step 30 - Setting up Spring Security with Spring Boot Starter Security
Step 31 - Configuring Spring Security with Custom User and Password Encoder
Step 32 - Refactoring and Removing Hardcoding of User Id
Step 33 - Setting up a New User for Todo Application
Step 34 - Adding Spring Boot Starter Data JPA and Getting H2 database ready
Step 35 - 01 - Configuring Spring Security to Get H2 console Working
Step 36 - Making Todo an Entity and Population Todo Data into H2
Step 37 - Creating TodoRepository and Connecting List Todos page from H2 database
Step 38 - 01 - Connecting All Todo App Features to H2 Database
Step 38 - 02 - Exploring Magic of Spring Boot Starter JPA and JpaRepository
Step 39 - OPTIONAL - Overview of Connecting Todo App to MySQL database
Step 40 - OPTIONAL - Installing Docker
Step 41 - OPTIONAL - Connecting Todo App to MySQL database

8. Creating a Java REST API with Spring Boot, Spring Framework and Hibernate

Step 00 - Creating a REST API with Spring Boot - An Overview
Step 01 - Initializing a REST API Project with Spring Boot
Step 02 - Creating a Hello World REST API with Spring Boot
Step 03 - Enhancing the Hello World REST API to return a Bean
Step 04 - What's happening in the background? Spring Boot Starters and Autoconfiguration
Step 05 - Enhancing the Hello World REST API with a Path Variable
Step 06 - Designing the REST API for Social Media Application
Step 07 - Creating User Bean and UserDaoService
Step 08 - Implementing GET Methods for User Resource
Step 09 - Implementing POST Method to create User Resource
Step 10 - Enhancing POST Method to return correct HTTP Status Code and Location URI
Step 11 - Implementing Exception Handling - 404 Resource Not Found
Step 12 - Implementing Generic Exception Handling for all Resources
Step 13 - Implementing DELETE Method to delete a User Resource
Step 14 - Implementing Validations for REST API
Step 15 - Overview of Advanced REST API Features
Step 16 - Understanding Open API Specification and Swagger
Step 17 - Configuring Auto Generation of Swagger Documentation
Step 18 - Exploring Content Negotiation - Implementing Support for XML
Step 19 - Exploring Internationalization for REST API
Step 20 - Versioning REST API - URI Versioning
Step 21 - Versioning REST API - Request Param, Header and Content Negotiation
Step 22 - Implementing HATEOAS for REST API
Step 23 - Implementing Static Filtering for REST API
Step 24 - Implementing Dynamic Filtering for REST API
Step 25 - Monitoring APIs with Spring Boot Actuator
Step 26 - Exploring APIs with Spring Boot HAL Explorer
Step 27 - Connecting REST API to H2 using JPA and Hibernate - An Overview
Step 28 - Creating User Entity and some test data
Step 29 - Enhancing REST API to connect to H2 using JPA and Hibernate
Step 30 - Creating Post Entity with Many to One Relationship with User Entity
Step 31 - Implementing a GET API to retrieve all Posts of a User
Step 32 - Implementing a POST API to create a Post for a User
Step 33 - Exploring JPA and Hibernate Queries for REST API
Step 34 - Connecting REST API to MySQL Database - An Overview
Step 34z - OPTIONAL - Installing Docker
Step 35 - OPTIONAL - Connecting REST API to MySQL Database - Implementation
Step 36 - Implementing Basic Authentication with Spring Security
Step 37 - Enhancing Spring Security Configuration for Basic Authentication

9. Building Java Full Stack Application with Spring Boot and React

Step 01 - Getting Started - Full Stack Spring Boot and React Application
Step 02 - Exploring What and Why of Full Stack Architectures
Step 03 - Understanding JavaScript and EcmaScript History
Step 04 - Installing Visual Studio Code
Step 05 - Installing nodejs and npm
Step 06 - Creating React App with Create React App
Step 07 - Exploring Important nodejs Commands - Create React App
Step 08 - Exploring Visual Studio Code and Create React App
Step 09 - Exploring Create React App Folder Structure
Step 10 - Getting started with React Components
Step 11 - Creating Your First React Component and more
Step 12 - Getting Started with State in React - useState hook
Step 13 - Exploring JSX - React Views
Step 14 - Following JavaScript Best Practices - Refactoring to Modules
Step 15 - Exploring JavaScript further

10. Exploring React Components with Counter Example

Step 01 - Exploring React Components with Counter Example
Step 02 - Getting Started with React Application - Counter
Step 03 - Getting Started with React Application - Counter - 2
Step 04 - Exploring React State with useState hook - Adding state to Counter
Step 05 - Exploring React State - What is happening in Background?
Step 06 - Exploring React Props - Setting Counter increment value
Step 07 - Creating Multiple Counter Buttons
Step 08 - Moving React State Up - Setting up Counter and Counter Button
Step 09 - Moving React State Up - Calling Parent Component Methods
Step 10 - Exploring React Developer Tools
Step 11 - Adding Reset Button to Counter
Step 12 - Refactoring React Counter Component

11. Building Java Todo Full Stack Application with Spring Boot and React

Step 01 - Getting Started with React Todo Management App
Step 02 - Getting Started with Login Component - Todo React App
Step 03 - Improving Login Component Further - Todo React App
Step 04 - Adding Hardcoded Authentication - Todo React App
Step 05 - Conditionally Displaying Messages in Login Component - Todo React App
Step 06 - Adding React Router Dom and Routing from Login to Welcome Component
Step 07 - Adding Error Component to our React App
Step 08 - Removing Hard Coding from Welcome Component
Step 09 - Getting Started with React List Todo Component
Step 10 - Displaying More Todo Details in React List Todo Component
Step 11 - Creating React Header, Footer and Logout Components
Step 12 - Adding Bootstrap to React Front End Application
Step 13 - Using Bootstrap to Style Todo React Front End Application
Step 14 - Refactoring React Components to Individual JavaScript Modules
Step 15 - Sharing React State with Multiple Components with Auth Context
Step 16 - Updating React State and Verifying Updates through Auth Context
Step 17 - Setting isAuthenticated into React State - Auth Context
Step 18 - Protecting Secure React Routes using Authenticated Route - 1
Step 19 - Protecting Secure React Routes using Authenticated Route - 2

12. Connecting Spring Boot REST API with React Frontend - Java Full Stack Application

Step 01 - Setting Todo REST API Project for React Full Stack Application
Step 02 - Calling Spring Boot Hello World REST API from React Hello World Component
Step 03 - Enabling CORS Requests for Spring Boot REST API
Step 04 - Invoking Spring Boot Hello World Bean and Path Param REST API from React
Step 05 - Refactoring Spring Boot REST API Invocation Code to New Module
Step 06 - Following Axios Best Practices in Spring Boot REST API
Step 07 - Creating Retrieve Todos Spring Boot REST API Get Method
Step 08 - Displaying Todos from Spring Boot REST API in React App
Step 09 - Creating Retrieve Todo and Delete Todo Spring Boot REST API Methods
Step 10 - Adding Delete Feature to React Frontend
Step 11 - Setting Username into React Auth Context
Step 12 - Creating Todo React Component to display Todo Page
Step 13 - Adding Formik and Moment Libraries to Display Todo React Component
Step 14 - Adding Validation to Todo React Component using Formik
Step 15 - Adding Update Todo and Create Todo REST API to Spring Boot Backend API
Step 16 - Adding Update Feature to React Frontend
Step 17 - Adding Create New Todo Feature to React Frontend
Step 18 - Securing Spring Boot REST API with Spring Security
Step 19 - Adding Authorization Header in React to Spring Boot REST API calls
Step 20 - Configuring Spring Security to allow all Options Requests
Step 21 - Calling Basic Authentication Service when Logging into React App
Step 22 - Using async and await to invoke Basic Auth API
Step 23 - Setting Basic Auth Token into Auth Context
Step 24 - Setting up Axios Interceptor to add Authorization Header
Step 24A - Debugging Problems with Basic Auth and Spring Boot
Step 25 - Getting Started with JWT and Spring Security
Step 26 - Integrating Spring Security JWT REST API with React Frontend
Step 27 - Debugging Problems with JWT Auth and Spring Boot

13. Connecting Java Full Stack Application (Spring Boot and React) with JPA and Hibernate

Step 01 - Full Stack React and Spring Boot with JPA and Hibernate
Step 02 - Full Stack React & Spring Boot with JPA & Hibernate - Getting Tables Ready
Step 03 - Full Stack React & Spring Boot with JPA & Hibernate - Todo CRUD operations
Step 04 - Full Stack React & Spring Boot with JPA & Hibernate - Add New Todo
Step 05 - Full Stack React & Spring Boot with JPA & Hibernate - Connect with MySQL

14. Exploring Unit Testing with JUnit

Step 01 - What is JUnit and Unit Testing_
Step 02 - Your First JUnit Project and Green Bar
Step 03 - Your First Code and First Unit Test
Step 04 - Exploring other assert methods
Step 05 - Exploring few important JUnit annotations

15. Exploring Mocking with Mockito for Spring Boot Projects

Step 00 - Introduction to Section - Mockito in 5 Steps
Step 01 - Setting up a Spring Boot Project
Step 02 - Understanding problems with Stubs
Step 03 - Writing your first Mockito test with Mocks
Step 04 - Simplifying Tests with Mockito Annotations - @Mock, @InjectMocks
Step 05 - Exploring Mocks further by Mocking List interface

16. Securing Spring Boot Applications with Spring Security

Step 00 - Getting started with Spring Security
Step 01 - Understanding Security Fundamentals
Step 02 - Understanding Security Principles
Step 03 - Getting Started with Spring Security
Step 04 - Exploring Default Spring Security Configuration
Step 05 - Creating Spring Boot Project for Spring Security
Step 06 - Exploring Spring Security - Form Authentication
Step 07 - Exploring Spring Security - Basic Authentication
Step 08 - Exploring Spring Security - Cross Site Request Forgery - CSRF
Step 09 - Exploring Spring Security - CSRF for REST API
Step 10 - Creating Spring Security Configuration to Disable CSRF
Step 11 - Exploring Spring Security - Getting Started with CORS
Step 12 - Exploring Spring Security - Storing User Credentials in memory
Step 13 - Exploring Spring Security - Storing User Credentials using JDBC
Step 14 - Understanding Encoding vs Hashing vs Encryption
Step 15 - Exploring Spring Security - Storing Bcrypt Encoded Passwords
Step 16 - Getting Started with JWT Authentication
Step 17 - Setting up JWT Auth with Spring Security and Spring Boot - 1
Step 18 - Setting up JWT Auth with Spring Security and Spring Boot - 2
Step 19 - Setting up JWT Resource with Spring Security and Spring Boot - 1
Step 20 - Setting up JWT Resource with Spring Security and Spring Boot - 2
Step 21 - Understanding Spring Security Authentication
Step 22 - Exploring Spring Security Authorization
Step 23 - Creating a Spring Boot Project for OAuth with Spring Security
Step 24 - Getting Started with Spring Boot and OAuth2 - Login with Google
Step 25 - Quick Review - Securing Spring Boot Apps with Spring Security

17. Learning Spring AOP with Spring Boot

Step 01 - Getting Started with Spring AOP - An overview
Step 02 - What is Aspect Oriented Programming?
Step 03 - Creating a Spring Boot Project for Spring AOP
Step 04 - Setting up Spring Components for Spring AOP
Step 05 - Creating AOP Logging Aspect and Pointcut
Step 06 - Understanding AOP Terminology
Step 07 - Exploring @After, @AfterReturning, @AfterThrowing AOP Annotations
Step 08 - Exploring Around AOP annotations with a Timer class
Step 09 - AOP Best Practice - Creating Common Pointcut Definitions
Step 10 - Creating Track Time Annotation
Step 11 - Getting Started with Spring AOP - Thank You

18. Learning Maven with Spring and Spring Boot

Step 01 - Introduction to Maven
Step 02 - Creating a Spring Boot Project with Maven
Step 03 - Exploring Maven pom.xml for Spring Boot Project
Step 04 - Exploring Maven Parent Pom for Spring Boot Project
Step 05 - Exploring Maven Further
Step 06 - Exploring Maven Build Lifecycle with a Spring Boot Project
Step 07 - How does Maven Work?
Step 08 - Playing with Maven Commands
Step 09 - How are Spring Projects Versioned?

19. Learning Gradle with Spring and Spring Boot

Step 01 - Getting Started with Gradle
Step 02 - Creating a Spring Boot Project with Gradle
Step 03 - Exploring Gradle Build and Settings Files
Step 04 - Exploring Gradle Plugins for Java and Spring Boot
Step 05 - Maven or Gradle - Which one to use for Spring Boot Projects?

20. Learning Docker with Spring and Spring Boot

Step 01 - Getting Started with Docker
Step 02 - Understanding Docker Fundamentals
Step 03 - Understanding How Docker Works
Step 04 - Understanding Docker Terminology
Step 05 - Creating Docker Image for a Spring Boot Project - Dockerfile
Step 06 - Building Spring Boot Docker Image using Multi Stage Dockerfile
Step 07 - Building Spring Boot Docker Image - Optimizing Dockerfile
Step 08 - Building Docker Image with Spring Boot Maven Plugin
Step 09 - Quick Review of Docker with Spring Boot

21. Getting Started with Cloud and AWS

Step 02 - Introduction to Cloud and AWS - Advantages
Step 03 - Creating Your AWS Account
Step 04 - Creating Your First IAM User
Step 05 - Understanding the Need for Regions and Zones
Step 06 - Exploring Regions and Availability Zones in AWS

22. Getting Started with Compute Services in AWS

Step 01 - Getting Started with EC2 - Virtual Servers in AWS
Step 02 - Demo - Creating Virtual Machines with Amazon EC2
Step 02z - Demo - Setting up a Web Server in an Amazon EC2 Instance
Step 03 - Quick Review of Important EC2 Concepts
Step 04 - Exploring IaaS vs PaaS - Cloud Computing with AWS
Step 05 - Getting Started with AWS Elastic Beanstalk
Step 06 - Demo - Setting up Web Application with AWS Elastic Beanstalk
Step 07 - Demo - Playing with AWS Elastic Beanstalk
Step 08 - Understanding the Need for Docker and Containers
Step 09 - Exploring Container Orchestration in AWS
Step 10 - Demo - Setting up ECS Cluster with AWS Fargate
Step 11 - Demo - Playing with Amazon ECS
Step 12 - Getting Started with Serverless in AWS - AWS Lambda
Step 13 - Demo - Creating Your First Lambda Function
Step 14 - Demo - Playing with Lambda Functions
Step 15 - Cloud Computing in AWS - Quick Review of Compute Services

23. Deploying Spring Boot Applications to AWS

Step 01 - Deploying Hello World Spring Boot App to AWS
Step 02 - Exploring AWS Elastic Beanstalk - Your First Spring Boot App in AWS
Step 03 - Running Spring Boot REST API with MySQL Database as Docker Container
Step 04 - Deploying Spring Boot REST API with MySQL to AWS Elastic Beanstalk and RDS
Step 05 - Exploring AWS Elastic Beanstalk and Amazon RDS - Spring Boot REST API
Step 06 - Exploring Spring Boot and React Full Stack App
Step 07 - Deploying Full Stack Spring Boot REST API to AWS Elastic Beanstalk
Step 08 - Deploying Full Stack React App to Amazon S3

24. Introduction to Functional Programming with Java

Step 00 - Introduction to Functional Programming - Overview
Step 01 - Getting Started with Functional Programming with Java
Step 02 - Writing Your First Java Functional Program
Step 03 - Improving Java Functional Program with filter
Step 04 - Using Lambda Expression to enhance your Functional Program
Step 05 - Do Functional Programming Exercises with Streams, Filters and Lambdas
Step 06 - Using map in Functional Programs - with Exercises
Step 07 - Understanding Optional class in Java
Step 08 - Quick Review of Functional Programming Basics

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