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01b: ♦ 13 Spring interview questions & answers Q8 – Q13

This extends 13 Spring basics Q1 – Q7 interview questions & answers. Q8. Can you describe the high level Spring architecture? A8. A Spring Bean represents a POJO (Plain Old Java Object) performing useful operation(s). All Spring Beans reside within a Spring IoC Container. The Spring Framework hides most of…...

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03: Spring boot MVC tutorial with thymeleaf & bean validation

Step 1: Create a “simple-spring-mvc” maven project.

Step 2: Import the project into eclipse. File > Import -> Existing Maven Projects and select “C:\Users\java-_000\projects\simple-spring-mvc”. Step 3: The pom.xml file should look like:

“spring-boot-starter-thymeleaf” is used instead of “spring-boot-starter-web” as it allows you to use htmls instead of JSPs…...

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♥♦ 11 Spring boot interview questions & answers

11 Spring boot interview questions & answers with tutorials for easy setup of new Spring applications. Spring boot helps you get started quickly. Q1. What is the key benefit of using Spring boot? A1. The key benefit is that you can “build a production ready application from scratch in a

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Spring IO tutorial in 6 steps

Spring IO Platform is all about “list of dependencies and their versions that work well together”. It is implemented as a Maven POM file via Maven Bill-of-Materials dependency that you can import into your projects to set the versions for dependencies. Spring Boot is built on top of the “Spring…...

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02: Simple Spring Boot Restful Web Service Tutorial

This tutorial extends Simple Spring Boot Tutorial in 8 steps. Step 1: The pom.xml file that was created in the previous Spring boot tutorial needs to be changed from “spring-boot-starter-actuator” to “spring-boot-starter-web”

Step 2: Add additional logic to the “App.java” to turn it into a controller to be invoked…...

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01: Simple Spring Boot Tutorial in 8 steps

Assumes that your Java, Maven, and eclipse are set up as per: Setting up Java, Maven, and eclipse Step 1: Create a simple maven project using the maven “archetype” plugin.

The above command creates a folder “simple-spring-boot” Step 2: import it into eclipse by choosing File –> Import –>…...

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Spring, JavaConfig (i.e @Configuration) & JMS by example

Step 1: Define the messaging system connectivity, destination (e.g. topic or queue) and message selector properties via a YAML or .properties file. Here is an example of application.yml file.

Step 2: MQTopicConnectionFactory The Java based Spring configuration defining the connection factory.

Step 3: Destination The Java based Spring…...

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07: Debugging Spring Transaction Management

Never just trust that adding @Transactional annotation is going to create a transactional boundary for your service layer. EventRestController –> EventMergeProcesorImpl –> EventControlDAOImpl The @Transactional annotations added to “public” methods of the EventMergeProcesorImpl. Spring creates a proxy around the “EventMergeProcesorImpl”. So, here are a few tips to debug #1. Run…...

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