Master Java Web Services and REST API with Spring Boot

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01 - Getting Started

001 DO NOT SKIP Success Stories of Other Learners.html

002 01-Spring-Web-Services-Course-Guide.pdf

002 Introduction to Course & Course Guide.mp4

02:50

02 - Introduction To Web Services

001 Introduction To Web Services - An Overview.mp4

00:32

002 What is a Web Service.mp4

06:08

003 Important How Questions related to Web Services.mp4

06:41

004 Web Services - Key Terminology.mp4

04:13

005 Introduction to SOAP Web Services.mp4

04:40

006 Introduction to RESTful Web Services.mp4

07:33

007 SOAP vs RESTful Web Services.mp4

02:20

03 - Introduction to Spring Framework in 10 Steps (NOW 16)

001 Step 01 - Getting Started with Spring Framework - Goals.mp4

02:52

002 Fastest Approach to Solve All Your Exceptions.html

003 Step 02 - Setting up New Spring Project with Spring Initializr.mp4

04:05

004 Step 03 - Iteration 1 - Building Tightly Coupled GameRunner and MarioGame.mp4

07:44

005 Step 04 - Understanding Tight Coupling.mp4

03:06

006 Step 05 - Iteration 2 - Loose Coupling Level 1 - Interfaces.mp4

04:06

007 Step 06 - Exploring Loose Coupling with Interfaces - PacmanGame.mp4

01:49

008 Step 07 - Iteration 3 - Loose Coupling Level 2 - Spring Framework.mp4

09:11

009 Step 08 - Q1 - Spring Framework - Understanding whats happening in Background.mp4

09:31

010 Step 09 - Q2 - Spring Framework - Understanding Important Terminology.mp4

08:24

011 Step 10 - Q3 - Spring Framework - Does Spring Framework Add Value.mp4

11:20

012 Step 11 - Q4 - Spring Framework - Running Super Contra.mp4

02:19

013 Step 12 - Q5 - Spring Framework - Maven.mp4

06:09

014 Step 13 - Exploring Spring Framework Dependency Injection Types.mp4

04:52

015 Step 14 - Exploring Spring Modules.mp4

02:11

016 Step 15 - Exploring Spring Projects.mp4

02:52

017 Step 16 - Getting Started with Spring Framework - Review.mp4

00:48

04 - Introduction to Spring Boot in 10 Steps (NOW 14)

001 Step 01 - Getting Started with Spring Boot - Goals.mp4

01:32

002 Step 02 - Understanding the World Before Spring Boot - 10000 Feet Overview.mp4

03:16

003 Step 03 - Setting up New Spring Boot Project with Spring Initializr.mp4

07:17

004 Step 04 - Build a Hello World API with Spring Boot.mp4

08:58

005 Step 05 - Understanding the Goal of Spring Boot.mp4

02:45

006 Step 06 - Understanding Spring Boot Magic - Spring Boot Starter Projects.mp4

04:54

007 Step 07 - Understanding Spring Boot Magic - Auto Configuration.mp4

07:41

008 Step 08 - Build Faster with Spring Boot DevTools.mp4

04:11

009 Step 09 - Get Production Ready with Spring Boot - 1 - Profiles.mp4

07:05

010 Step 10 - Get Production Ready with Spring Boot - 2 - ConfigurationProperties.mp4

07:31

011 Step 11 - Get Production Ready with Spring Boot - 3 - Embedded Servers.mp4

06:27

012 Step 12 - Get Production Ready with Spring Boot - 4 - Actuator.mp4

07:33

013 Step 13 - Understanding Spring Boot vs Spring vs Spring MVC.mp4

03:55

014 Step 14 - Getting Started with Spring Boot - Review.mp4

00:38

05 - SOAP Web Services with Spring and Spring Boot

001 SOAP Web Services - An Overview.mp4

01:29

002 Step 01 - Initialize a Spring Web Services application with Spring Boot.mp4

03:46

003 Step 02 - Overview of creating SOAP Web Service using Contract First Approach.mp4

05:00

004 Step 03 - Define Request and Response XML Structure.mp4

05:16

005 Step 04 - Define XML Schema Definition (XSD) for Request - GetCourseDetailsReque.mp4

08:26

006 Step 05 - Define XML Schema Definition (XSD) for Response - GetCourseDetailsResp.mp4

04:39

007 Step 06 - More about XML Schema Definition and Implementing XSD Best Practices.mp4

03:40

008 JAXB Maven Plugin Configuration - Next Lecture.html

009 Step 07 - Introduction to Java API for XML Binding (JAXB) and Configuring JAXB 2.mp4

08:38

010 Step 08 - Configuring an Endpoint for GetCourseDetailsRequest.mp4

07:13

011 Step 09 - Spring Web Services Configuration - Message Dispatcher Servlet.mp4

06:03

012 Step 10 - Spring Web Services Configuration - Generating WSDL.mp4

09:11

013 Step 11 - Using Wizdler to execute SOAP Requests.mp4

04:49

014 Step 12 - Implementing a service - Course Details Service - backend with in memo.mp4

08:35

015 Step 13 - Implementing SOAP Web Service for GetAllCourseDetailsRequest.mp4

08:12

016 Step 14 - Quick introduction to different parts of a WSDL.mp4

05:58

017 Step 15 - Implementing SOAP Web Service for DeleteCourseDetailsRequest.mp4

03:19

018 Step 16 - Improving the DeleteCourseDetailsRequest - Using an Enum for Status.mp4

07:07

019 Step 17 - Exception Handling and SOAP Fault Responses.mp4

07:03

020 Debugging Guide Next Step.html

021 Step 18 - Implementing Security for SOAP Web Services with WS Security.mp4

12:43

06 - RESTful Web Services with Spring and Spring Boot

001 Step 00 - Creating a REST API with Spring Boot - An Overview.mp4

04:04

002 CODE BACKUP FILES and STEP BY STEP CHANGES For Reference.html

003 Step 01 - Initializing a REST API Project with Spring Boot.mp4

07:21

004 Step 02 - Creating a Hello World REST API with Spring Boot.mp4

06:21

005 Step 03 - Enhancing the Hello World REST API to return a Bean.mp4

04:30

006 Step 04 - Whats happening in the background Spring Boot Starters & Autoconfign.mp4

09:06

007 Step 05 - Enhancing the Hello World REST API with a Path Variable.mp4

04:13

008 Step 06 - Designing the REST API for Social Media Application.mp4

07:28

009 Step 07 - Creating User Bean and UserDaoService.mp4

06:43

010 Resources for Next Step.html

011 Step 08 - Implementing GET Methods for User Resource.mp4

08:28

012 Step 09 - Implementing POST Method to create User Resource.mp4

08:36

013 Step 10 - Enhancing POST Method to return correct HTTP Status Code and Location.mp4

11:24

014 Step 11 - Implementing Exception Handling - 404 Resource Not Found.mp4

07:49

015 Resources for Next Step.html

016 Step 12 - Implementing Generic Exception Handling for all Resources.mp4

11:29

017 Step 13 - Implementing DELETE Method to delete a User Resource.mp4

03:25

018 Step 14 - Implementing Validations for REST API.mp4

11:47

019 Step 15 - Overview of Advanced REST API Features.mp4

01:12

020 Step 16 - Understanding Open API Specification and Swagger.mp4

04:57

021 springdoc-openapi Dependency for next lecture.html

022 Step 17 - Configuring Auto Generation of Swagger Documentation.mp4

09:53

023 Step 18 - Exploring Content Negotiation - Implementing Support for XML.mp4

05:56

024 Step 19 - Exploring Internationalization for REST API.mp4

09:39

025 Resources for Next Step.html

026 Step 20 - Versioning REST API - URI Versioning.mp4

09:01

027 Step 21 - Versioning REST API - Request Param, Header and Content Negotiation.mp4

11:12

028 Step 22 - Implementing HATEOAS for REST API.mp4

10:43

029 Step 23 - Implementing Static Filtering for REST API.mp4

09:54

030 Step 24 - Implementing Dynamic Filtering for REST API.mp4

09:26

031 Step 25 - Monitoring APIs with Spring Boot Actuator.mp4

06:54

032 Step 26 - Exploring APIs with Spring Boot HAL Explorer.mp4

04:54

07 - Introduction to JPA in 10 Steps (Now 12 steps)

001 Step 01 - Getting Started with JPA and Hibernate - Goals.mp4

01:24

002 Step 02 - Setting up New Spring Boot Project for JPA and Hibernate.mp4

06:52

003 Step 03 - Launching up H2 Console and Creating Course Table in H2.mp4

07:24

004 Step 04 - Getting Started with Spring JDBC.mp4

03:58

005 Step 05 - Inserting Hardcoded Data using Spring JDBC.mp4

07:49

006 Step 06 - Inserting and Deleting Data using Spring JDBC.mp4

09:01

007 Step 07 - Querying Data using Spring JDBC.mp4

05:36

008 Step 08 - Getting Started with JPA and EntityManager.mp4

12:23

009 Step 09 - Exploring the Magic of JPA.mp4

03:16

010 Step 10 - Getting Started with Spring Data JPA.mp4

05:41

011 Step 11 - Exploring features of Spring Data JPA.mp4

05:11

012 Step 12 - Understanding difference between Hibernate and JPA.mp4

05:00

08 - Connecting RESTful Web Service to JPA

001 Step 27 - Connecting REST API to H2 using JPA and Hibernate - An Overview.mp4

01:17

002 Step 28 - Creating User Entity and some test data.mp4

05:26

003 Step 29 - Enhancing REST API to connect to H2 using JPA and Hibernate.mp4

10:35

004 Step 30 - Creating Post Entity with Many to One Relationship with User Entity.mp4

10:22

005 Step 31 - Implementing a GET API to retrieve all Posts of a User.mp4

03:13

006 Step 32 - Implementing a POST API to create a Post for a User.mp4

06:21

007 Step 33 - Exploring JPA and Hibernate Queries for REST API.mp4

06:36

008 Step 34 - Connecting REST API to MySQL Database - An Overview.mp4

01:06

009 Step 34z - OPTIONAL - Installing Docker.mp4

04:25

010 Resources for Next Step.html

011 Step 35 - OPTIONAL - Connecting REST API to MySQL Database - Implementation.mp4

15:19

012 Step 36 - Implementing Basic Authentication with Spring Security.mp4

05:18

013 Step 37 - Enhancing Spring Security Configuration for Basic Authentication.mp4

08:45

09 - RESTful Web Services - Best Practices

001 Richardson Maturity Model.mp4

03:22

002 RESTful Web Services - Best Practices.mp4

03:29

10 - Congratulations

001 DO NOT SKIP - I Would Love To Congratulate You!.html

002 Congratulations.mp4

00:36

003 Bonus Lecture.html

11 - APPENDIX - Introduction to Functional Programming in 30 Minutes

001 Step 00 - Introduction to Functional Programming - Overview.mp4

01:21

002 Step 01 - Getting Started with Functional Programming with Java.mp4

06:23

003 Step 02 - Writing Your First Java Functional Program.mp4

05:39

004 Step 03 - Improving Java Functional Program with filter.mp4

08:07

005 Step 04 - Using Lambda Expression to enhance your Functional Program.mp4

05:17

006 Step 05 - Do Functional Programming Exercises with Streams, Filters and Lambdas.mp4

05:30

007 Step 06 - Using map in Functional Programs - with Exercises.mp4

05:54

008 Step 07 - Understanding Optional class in Java.mp4

07:14

009 Step 08 - Quick Review of Functional Programming Basics.mp4

03:14

Description

Build Java Web Services & REST API - RESTful & SOAP - with Spring & Spring Boot. Learn REST API & SOAP Web Services Now!

What You'll Learn?

You will Learn to Design and Develop SOAP and RESTful web services with Spring Boot
You will Understand the BEST PRACTICES in designing RESTful web services
You will Learn the MAGIC of SPRING BOOT - Auto Configuration, Spring Initializr and Starter Projects
You will Learn to Connect Web Services to a Database using JPA and HIBERNATE with Spring Boot
You will Learn to Implement Exception Handling, Validation, HATEOAS and Filtering for RESTful Web Services.
You will Learn to use a wide variety of Spring Boot STARTER PROJECTS - Spring Boot Web, Spring Boot Web Services, Spring Boot Data JPA
You will learn how to version, monitor (Spring Boot Actuator) and document (Swagger) your RESTful Web Services with Spring Boot
You will understand about WSDL, SOAP Header, SOAP Body, SOAP Fault, XSD, JAXB and EndPoint

Who is this for?

You want to learn the basics of Web Services

You want to learn the terminology associated with Web Services

You want to learn to develop and design RESTful web services

You want to learn to develop and design SOAP web services

You have good experience with Java and want to see what more you can do with Java

You have good experience with Spring and want to use that knowledge

More details

Description
REST API?Â Â Yes.Â Â Â Spring Boot ?Â YesÂ Â Â SOAP ?Â Â YesÂ Â Â Best Practices ?Â YesÂ Â Hands-on ?Â Â Of course.
Do you want to Master Building Great Java Web Services - both RESTful and SOAPÂ - with Spring Boot?

WHATÂ OURÂ LEARNERSÂ AREÂ SAYING:
5 STARSÂ - This is the best course if you like to learn *how REST API exactly works**. The instructor is awesome. I had a great time watching his videos and doing coding for this course. It really helped me to do a coding assessment for the company.*
5 STARSÂ - This course gave me an excellent head start with creating Restful web services!
5 STARSÂ - It is such an awesome course, I have now got an idea to create production level restful services
5 STARSÂ - As an experienced JEE developer unfamiliar with Spring Boot and developing web services within it, this was simply an awesome course for becoming knowledgeable and comfortable in applying it in a real-world context.
5 STARSÂ - This is *my first spring boot course**. I've thoroughly enjoyed it. Thank you very much Ranga for delivering such a* *high quality course**. I've learned a lot spring boot from you. If someone want to learn spring boot, this is one of the best courses to pick up.*

*** Course Overview *
Developing SOAP and RESTful web services is fun. The combination of Spring Boot, Spring Web MVC, Spring Web Services and JPA makes it even more fun.
Architectures are moving towards microservices. RESTful web services are the first step to developing great microservices. Spring Boot, in combination with Spring Web MVC (also called Spring REST) makes it easy to develop RESTful web services.
There are two parts to this course - RESTful web services and SOAP Web Services.
In the firstÂ part of the course, you will learn the basics of RESTful web services developing resources for a social media application. You will learn to implement these resources with multiple features - versioning, exception handling, documentation (Swagger), basic authentication (Spring Security), filtering and HATEOAS. You will learn the best practices in designing RESTful web services.
You will be using Spring (Dependency Management), Spring MVC (or Spring REST), Spring Boot, Spring Security (Authentication and Authorization), Spring Boot Actuator (Monitoring), Swagger (Documentation), Maven (dependencies management), Eclipse (IDE), Postman (REST Services Client) and Tomcat Embedded Web Server. We will help you set up each one of these.
While the use of SOAP Web Services is on the way down, there are still considerable number of web services using this approach.
In the secondÂ part of the course, you will learn the basics of implementing SOAP Web Services developing a few web services for a course management application. You will learn to use a Contract first approach - defining XSD (XML Schema Definition) for your requests and responses. You will learn about WSDL (SOAP Header, SOAP Body and SOAP Fault), XSD (XML Schema Definition) and JAXB (Java API for XML Binding). You will implementing three SOAP web services with exception handling and basic security (with WS Security).
In this part of the course, you will be using Spring (Dependency Management), Spring Web Services , Spring Boot, Spring Security (Authentication and Authorization), Maven (dependencies management), Eclipse (IDE), Wizdler (SOAP Services Chrome Plugin) and Tomcat Embedded Web Server. We will help you set up each one of these.
You will learn
What is a Web Service?
What is a RESTful Web Service?
How to implement RESTful Web Services with Spring and Spring Boot?
What are the best practices in designing RESTful Web Services?
How to design Resources and GET, POST and DELETE operations?
How to implement Validation for RESTful Web Services?
How to implement Exception Handling for RESTful Web Services?
What is HATEOAS? How to implement HATEOAS for a Resource?
What are the different approach in versioning RESTful Services?
How to use Postman to execute RESTful Service Requests?
How to implement basic authentication with Spring Security?
How to implement filtering for RESTful Services?
How to monitor RESTful Services with Spring Boot Actuator?
How to document RESTful Web Services with Swagger?
How to connect RESTful Services to a backend with JPA?
What is a SOAP Web Service?
What is WSDL (Web Service Definition Language)?
What is SOAP Header, SOAP Body and SOAP Fault?
What is an XSD (XML Schema Definition)?
How to write an XSD for your requests and responses?
What is JAXB (Java API for XML Binding)?
What is an Endpoint?
What is a Contract First approach?
What are the different steps in building SOAP Web Services with Spring Web Services & Spring Boot?
How to build different SOAP Web services for GetCourseDetailsRequest, GetAllCourseDetailsRequest and DeleteCourseDetailsRequest?
How to use Wizdler to execute SOAP Requests?
How to implement exception handling for SOAP Web Services?
How to implement basic security with WS Security for SOAP Web Services?

COURSEÂ HIGHLIGHTS:

RESTful Web ServicesÂ
Step 01 - Initializing a RESTful Services Project with Spring Boot
Step 02 - Understanding the RESTful Services we would create in this course
Step 03 - Creating a Hello World Service
Step 04 - Enhancing the Hello World Service to return a Bean
Step 05 - Quick Review of Spring Boot Auto Configuration and Dispatcher Servlet - What's happening in the background?
Step 06 - Enhancing the Hello World Service with a Path Variable
Step 07 - Creating User Bean and User Service
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 - Exercise : User Post Resource and Exception Handling
Step 14 - Implementing DELETE Method to delete a User Resource
Step 15 - Implementing Validations for RESTful Services
Step 16 - Implementing HATEOAS for RESTful Services
Step 17 - Overview of Advanced RESTful Service Features
Step 18 - Internationalization for RESTful Services
Step 19 - Content Negotiation - Implementing Support for XML
Step 20 - Configuring Auto Generation of Swagger Documentation
Step 21 - Introduction to Swagger Documentation Format
Step 22 - Enhancing Swagger Documentation with Custom Annotations
Step 23 - Monitoring APIs with Spring Boot Actuator
Step 24 - Implementing Static Filtering for RESTful Service
Step 25 - Implementing Dynamic Filtering for RESTful Service
Step 26 - Versioning RESTful Services - Basic Approach with URIs
Step 27 - Versioning RESTful Services - Header and Content Negotiation Approaches
Step 28 - Implementing Basic Authentication with Spring Security
Step 29 - Overview of Connecting RESTful Service to JPA
Step 30 - Creating User Entity and some test data
Step 31 - Updating GET methods on User Resource to use JPA
Step 32 - Updating POST and DELETE methods on User Resource to use JPA
Step 33 - Creating Post Entity and Many to One Relationship with User Entity
Step 34 - Implementing a GET service to retrieve all Posts of a User
Step 35 - Implementing a POST service to create a Post for a User
Step 36 - Richardson Maturity Model
Step 37 - RESTful Services Best Practices
SOAP Web Services
Step 01 - Initialize a Spring Web Services application with Spring Boot
Step 02 - Overview of creating SOAP Web Service using Contract First Approach
Step 03 - Define Request and Response XML Structure
Step 04 - Define XML Schema Definition (XSD) for Request - GetCourseDetailsRequest
Step 05 - Define XML Schema Definition (XSD) for Respone - GetCourseDetailsResponse
Step 06 - More about XML Schema Definition and Implementing XSD Best Practices
Step 07 - Introduction to Java API for XML Binding (JAXB) and Configuring JAXB 2 Maven Plugin
Step 08 - Configuring an Endpoint for GetCourseDetailsRequest
Step 09 - Spring Web Services Configuration - Message Dispatcher Servlet
Step 10 - Spring Web Services Configuration - Generating WSDL
Step 11 - Using Wizdler to execute SOAP Requests
Step 12 - Implementing a service - Course Details Service - backend with in memory array list
Step 13 - Implementing SOAP Web Service for GetAllCourseDetailsRequest
Step 14 - Quick introduction to different parts of a WSDL
Step 15 - Implementing SOAP Web Service for DeleteCourseDetailsRequest
Step 16 - Improving the DeleteCourseDetailsRequest - Using an Enum for Status
Step 17 - Exception Handling and SOAP Fault Responses
Step 18 - Implementing Security for SOAP Web Services with WS Security
Start Learning Now.** Hit the Enroll Button!

Who this course is for:
You want to learn the basics of Web Services
You want to learn the terminology associated with Web Services
You want to learn to develop and design RESTful web services
You want to learn to develop and design SOAP web services
You have good experience with Java and want to see what more you can do with Java
You have good experience with Spring and want to use that knowledge

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Ranga Karanam, the founder of in28minutes, has 2 decades of experience with technology - architecture, design, and programming. We are helping learners take their first steps into modern cloud native technology and gain expertise on AWS, Azure, Google Cloud, Docker, Kubernetes amongst others.Our happiest moments are when learners tag us on LinkedIn or reach out to us with their stories of getting their first job, getting a promotion, or a big raise.----------------------Ranga is multi-cloud certified - Google Cloud Certified Professional Cloud Architect, AWS Certified Solutions Architect Associate, Google Cloud Certified Associate Cloud Engineer, AWS Certified Developer Associate, AWS Certified Cloud Practitioner, Azure Fundamentals Certified AZ-900, DP-900 and AI-900.Our courses are focused on Cloud Certifications (AWS, Azure, Google Cloud Platform - GCP), DevOps, Full Stack ( React, Angular ), Serverless, Programming, and Microservice Development with Java and Spring Boot.Our Top Courses include:1) Master Microservices with Spring Boot and Spring Cloud2) Java Programming for Complete Beginners3) Google Cloud Certification - Associate Cloud Engineer - 20214) DevOps For Beginners - Docker, Kubernetes, and Azure DevOps5) Spring Framework Master Class - Java Spring the Modern Way6) Master Java Web Services and RESTful API with Spring Boot7) Go Serverless with AWS Lambda and Azure FunctionsWe have courses focused on Java Frameworks ( Spring, Spring Boot, Spring MVC, Hibernate ). [LEARNING PATHS 00 to 06 for DevOps, Full Stack, Cloud, Spring Boot and Java in the FAQ below]We use Problem-Solution based Step-By-Step Hands-on Approach With Practical, Real-World Application Examples.We have a wide range of courses focused on Spring Boot - Creating APIs and Microservices, Deploying to Cloud ( AWS, Azure, Docker, Kubernetes, Azure ), and Integrating with Full Stack Front end frameworks ( React & Angular ).[LEARNING PATHS][LEARNING PATH 00] - DevOps Master DevOps with Docker, Kubernetes and Azure DevOps[LEARNING PATH 01] - Spring and Spring Boot Web Applications & API DeveloperSpring Framework Master Class - Learn Spring the Modern Way!Learn Spring Boot in 100 Steps - Beginner to ExpertMaster Java Web Services and RESTful API with Spring BootMaster Hibernate and JPA with Spring Boot in 100 StepsMaster Java Unit Testing with Spring Boot & Mockito[LEARNING PATH 02] - Full Stack Developer with Spring Boot, React and AngularGo Java Full Stack with Spring Boot and ReactGo Java Full Stack with Spring Boot and Angular[LEARNING PATH 03] - Cloud Microservices with Spring Boot, Docker & KubernetesMaster Microservices with Spring Boot and Spring CloudMaster Docker with Java - DevOps for Spring MicroservicesMaster Kubernetes with Docker on Google Cloud, AWS & Azure[LEARNING PATH 04] - Cloud Developer with Spring Boot, AWS, Azure, and PCFLearn AWS - Deploy Java Spring Boot to AWS Elastic BeanstalkMaster Azure Web Apps - Take Java Spring Boot Apps to AzureMaster Pivotal Cloud Foundry with Spring Boot Microservices[LEARNING PATH 05] - Learn AWS with Microservices, Docker, and KubernetesLearn AWS - Deploy Java Spring Boot to AWS Elastic BeanstalkMaster AWS Fargate & ECS with Java Spring Boot MicroservicesMaster Kubernetes with Docker on Google Cloud, AWS & Azure[LEARNING PATH 06] - GET AWS CERTIFIEDAWS Certified Cloud Practitioner - Step By StepAWS Certified Developer Associate - Step By StepAWS Certified Solutions Architect Associate - Step By Step[OUR BELIEFS]Best Courses are interactive and fun.Foundations for building high-quality applications are best laid down while learning.[OUR APPROACH]We use the 80-20 Rule. We discuss 20% of things used 80% of the time in depth. We touch upon other things briefly equipping you with enough knowledge to find out more on your own.Problem Solution based Step by Step Hands-on Learning.

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