Saturday, February 16, 2019

Form Handling in Spring MVC

               
                            Form handling is made easy in spring MVC with the help of Spring Tag Library. I have given detailed step-by-step process for form handling. Here, i have taken simple login form as an example.

                           This video covers following topics.
  1. Introduction to Form Binding.
  2. How to achieve Form Binding Using Spring Tag Libraries.
  3. How to bind Java Beans to Form.
  4. How to get Form Data in Controller.
  5. How to Debug Spring Application in Eclipse.



             


               
                                    Full Source Code available below


                                           
                                                        



    

Sunday, February 10, 2019

Spring MVC Example for Beginners : E commerce Application

                      In the followingVideo lectures, I explained how to Set-Up Basic Spring MVC Application using Spring Boot and also developed  small E commerce application.

                   
                    First Video focuses on setting up Spring MVC project using spring boot. Here, i download sample project from https://start.spring.io/.  After downloading, import project contents into your eclipse workspace ( or any other IDE). Imported project is Maven-ised, and you can notice that it includes all dependent jars required for spring.  Spring Boot also comes with embedded tomcat server. So, you dont have straight away run web-application as a normal application with out worrying about downloading any other external web server/app container.


         For Further details on how to setup, refer below video.

   
       

In Second video,  I have explained a step by step process for developing online store web-application.
  1. Create a Model, Controller and Views.
  2. Map HTTP URL to Controller using RequestMapping and GetMapping
  3. Display all Products information available in store.
  4. Display Specific Product Information using PathVariable
  5. Taking dynamic variable input from URL
  6. Introducing Service Layer in MVC architecture



Project is still-partial,So Please subscribe for further updates.
     
   



                                           Full Source Code is available below

                         
                                       
     

Tuesday, January 15, 2019

Spring 5 Tutorial for Beginners

                                     Spring is a lightweight framework  for developing Java Applications ( standalone, web, enterprise, web Services, micro services). Spring is very popular because its easy to integrate application code with  spring framework. With Spring boot 2.0 its even more easier.

                                    Spring world provides so many modules such as such as spring core, spring web, spring data access, spring cloud and so many other modules. All of these modules are developed by following basic design pattern i.e Dependency Injection

                                  In the following video i have given detailed description on below concepts. 

  1.  What is Spring. 
  2.  Spring Modules.
  3.  Inversion of Control
  4.  Dependency Injection and auto wiring
  5.  Dependency Injection Types - Setter Injection, Constructor 
  6.  Injection and Field Injection.
  7.  Bean Scopes - Prototype and Singleton.

            

 

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