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Good way to learn Spring?

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  Good way to learn Spring? Eric Douglas <e.d.programmer@gmail.com> - 2019-09-10 05:26 -0700
    Re: Good way to learn Spring? Daniele Futtorovic <da.futt.news@laposte-dot-net.invalid> - 2019-09-10 14:55 +0200
      Re: Good way to learn Spring? Eric Douglas <e.d.programmer@gmail.com> - 2019-09-10 06:33 -0700
        Re: Good way to learn Spring? Daniele Futtorovic <da.futt.news@laposte-dot-net.invalid> - 2019-09-10 18:06 +0200
          Re: Good way to learn Spring? Chris Riesbeck <Chris.Riesbeck@gmail.com> - 2019-09-10 12:20 -0500
            Re: Good way to learn Spring? Eric Douglas <e.d.programmer@gmail.com> - 2019-09-10 11:03 -0700
              Re: Good way to learn Spring? Daniele Futtorovic <da.futt.news@laposte-dot-net.invalid> - 2019-09-10 20:19 +0200
                Re: Good way to learn Spring? Chris Riesbeck <Chris.Riesbeck@gmail.com> - 2019-09-11 17:04 -0500
            Re: Good way to learn Spring? Graeme Geldenhuys <graemeg@example.net> - 2019-09-30 10:36 +0100
        Re: Good way to learn Spring? Arne Vajhøj <arne@vajhoej.dk> - 2019-09-10 19:03 -0400
        Re: Good way to learn Spring? Graeme Geldenhuys <graemeg@example.net> - 2019-09-30 10:43 +0100

#39137 — Good way to learn Spring?

I tried googling it, found a couple different tutorials, can't get any sample programs I've found to compile.

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#39138

On 2019-09-10 14:26, Eric Douglas wrote:
> I tried googling it, found a couple different tutorials, can't get any sample programs I've found to compile.
> 

Assuming you mean the core Spring Framework ('cause "Spring" is a lot of
things these days, especially in the southern hemisphere), have a
thorough look at:
<https://spring.io/projects/spring-framework#learn>
<https://docs.spring.io/spring/docs/5.1.9.RELEASE/spring-framework-reference/>

Or get a book on the subject.

-- 
DF.

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#39139

On Tuesday, September 10, 2019 at 8:55:19 AM UTC-4, Daniele Futtorovic wrote:
> Assuming you mean the core Spring Framework ('cause "Spring" is a lot of
> things these days, especially in the southern hemisphere), have a
> thorough look at:
> <https://spring.io/projects/spring-framework#learn>
> <https://docs.spring.io/spring/docs/5.1.9.RELEASE/spring-framework-reference/>
> 
> Or get a book on the subject.
> 
> -- 
> DF.

The Spring apparently found at spring.io which is referenced in job ads with terms such as "enterprise Spring MVC", sometimes listed out such as "Spring Boot, Spring Batch, Spring Integration, Spring Cloud, Spring Security, Spring JDBC".
I can certainly read the documentation but I don't think I'll really learn it unless I can make a sample program and run it.  I've tried downloading samples and can't get anything to compile.

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#39140

On 2019-09-10 15:33, Eric Douglas wrote:
> The Spring apparently found at spring.io which is referenced in job ads with terms such as "enterprise Spring MVC", sometimes listed out such as "Spring Boot, Spring Batch, Spring Integration, Spring Cloud, Spring Security, Spring JDBC".

Yes, "Spring" is /all those things/.

> I can certainly read the documentation but I don't think I'll really learn it unless I can make a sample program and run it.  I've tried downloading samples and can't get anything to compile.

That's because it's a framework, not a library. There's a lot more to it
than just code (well, so to speak).

I personally do not believe that you will get far with your
understanding of "Spring" without a solid a solid understanding of its
IoC, beans, etc. core. But YMMV.

If you're looking for something that you can execute quickly, you should
focus on Spring Boot, which is specifically intended for that.

You should be able to generate a project archetype using the resources
from the Spring Boot section on spring.io.

Mind you, you will likely very much need a proper IDE -- i.e. with
Spring integration, which thankfully the big ones (IntelliJ, Eclipse)
have -- to make sense of all that shit. There's a lot to it.

-- 
DF.

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#39141

On 9/10/2019 11:06 AM, Daniele Futtorovic wrote:
> On 2019-09-10 15:33, Eric Douglas wrote:
>> 
> I personally do not believe that you will get far with your
> understanding of "Spring" without a solid a solid understanding of its
> IoC, beans, etc. core. But YMMV.
> 
> If you're looking for something that you can execute quickly, you should
> focus on Spring Boot, which is specifically intended for that.
> 
> You should be able to generate a project archetype using the resources
> from the Spring Boot section on spring.io.

With Spring Boot, I think you can be pretty productive pretty quickly, 
even as a beginner. But solid understanding will take quite a while. But 
then how many beginning to mid-level programmers understand how the JVM 
and compiler work?

For learning boot, see the many guides with examples for building, say, 
a simple RESTful API with web frontend.
> 
> Mind you, you will likely very much need a proper IDE -- i.e. with
> Spring integration, which thankfully the big ones (IntelliJ, Eclipse)
> have -- to make sense of all that shit. There's a lot to it.
> 

IntelliJ is probably the simplest to set up. The free Community Edition 
supports Spring Boot pretty well.

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#39142

On Tuesday, September 10, 2019 at 1:20:09 PM UTC-4, Chris Riesbeck wrote:
> > I personally do not believe that you will get far with your
> > understanding of "Spring" without a solid a solid understanding of its
> > IoC, beans, etc. core. But YMMV.
> > 
> > If you're looking for something that you can execute quickly, you should
> > focus on Spring Boot, which is specifically intended for that.
> > 
> > You should be able to generate a project archetype using the resources
> > from the Spring Boot section on spring.io.
> 
> With Spring Boot, I think you can be pretty productive pretty quickly, 
> even as a beginner. But solid understanding will take quite a while. But 
> then how many beginning to mid-level programmers understand how the JVM 
> and compiler work?
> 
> For learning boot, see the many guides with examples for building, say, 
> a simple RESTful API with web frontend.
> > 
> > Mind you, you will likely very much need a proper IDE -- i.e. with
> > Spring integration, which thankfully the big ones (IntelliJ, Eclipse)
> > have -- to make sense of all that shit. There's a lot to it.
> > 
> 
> IntelliJ is probably the simplest to set up. The free Community Edition 
> supports Spring Boot pretty well.

I think I have a pretty good understanding of the JVM and compiler.  I taught myself Java, spent more than a decade writing my own API.
I normally use Eclipse.  I just normally right click a project and select Export as jar, so I don't know a lot about build tools like maven or gradle.  I think at least one Spring tutorial mentioned a maven setup, so not sure if a build tool is a requirement.
I tried one tutorial setup which said to download jars and create a library, and another that said to install Spring Tools from the Eclipse Marketplace, not sure which one(s) I should need from there:
- Spring Tools 3 (Standalone Edition) 3.9.9.RELEASE
- Spring Tools 3 Add-On for Spring Tools 4 3.9.10-CI
- Spring Tools 4 - for Spring Boot (aka Spring Tool Suite 4) 4.3.2.RELEASE

Not sure which of these mentioned previously can be learned with simple test samples, or if there's more I should need to know
-Spring Boot
-Spring Batch
-Spring Integration
-Spring Cloud
-Spring Security
-Spring JDBC

Setting up some simple web service sounds like a good start.

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#39143

On 2019-09-10 20:03, Eric Douglas wrote:
> <snip />
> I normally use Eclipse.  I just normally right click a project and select Export as jar, so I don't know a lot about build tools like maven or gradle.  I think at least one Spring tutorial mentioned a maven setup, so not sure if a build tool is a requirement.

You will *definitely* want to use either Maven or Gradle for this.

-- 
DF.

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#39146

On 9/10/2019 1:19 PM, Daniele Futtorovic wrote:
> On 2019-09-10 20:03, Eric Douglas wrote:
>> <snip />
>> I normally use Eclipse.  I just normally right click a project and select Export as jar, so I don't know a lot about build tools like maven or gradle.  I think at least one Spring tutorial mentioned a maven setup, so not sure if a build tool is a requirement.
> 
> You will *definitely* want to use either Maven or Gradle for this.
> 

Yes! IDEA (and I assume Eclipse) know how to import Maven and Gradle 
projects.  I like the brevity of Gradle myself.

The various Spring Boot guides give the Maven and Gradle files you need, 
and Spring IO (the Spring Boot project generator) can create either kind 
for you, to get you started.

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#39162

On 10/09/2019 6:20 pm, Chris Riesbeck wrote:
> IntelliJ is probably the simplest to set up. The free Community Edition 
> supports Spring Boot pretty well.


I use both IntelliJ and Eclipse with Spring based code - both have
excellent support for Spring.

G.

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#39144

On 9/10/2019 9:33 AM, Eric Douglas wrote:
> On Tuesday, September 10, 2019 at 8:55:19 AM UTC-4, Daniele Futtorovic wrote:
>> Assuming you mean the core Spring Framework ('cause "Spring" is a lot of
>> things these days, especially in the southern hemisphere), have a
>> thorough look at:
>> <https://spring.io/projects/spring-framework#learn>
>> <https://docs.spring.io/spring/docs/5.1.9.RELEASE/spring-framework-reference/>
>>
>> Or get a book on the subject.

> The Spring apparently found at spring.io which is referenced in job
> ads with terms such as "enterprise Spring MVC", sometimes listed out
> such as "Spring Boot, Spring Batch, Spring Integration, Spring Cloud,
> Spring Security, Spring JDBC".
> I can certainly read the documentation but I don't think I'll really
> learn it unless I can make a sample program and run it.  I've tried
> downloading samples and can't get anything to compile.
First you need to find out which Spring projects you need.

You could start like:

1) Spring Core

This is a DI framework.

So you:
* read a little about DI as concept
* read a little about Spring DI
* write a small Java SE application that use Spring DI


2A) Spring MVC for web application

Spring MVC can be used as MVC web framework similar to Struts and other.

So you:
* read a little about Java web applications
* read a little about Tomcat
* read a little about Spring MVC for web applications
* you write a small Java web app using Spring MVC and deploy on Tomcat

2B) Spring MVC for web service

Spring MVC can also be used as web service framework.

So you:
* read a little about RESTFul web services
* read a little about Spring MVC for web services
* you write a small Java web service using Spring MVC and deploy on Tomcat
* you write a Java SE client program

3) Spring Boot

Spring Boot is a framework for creating micro-services (a Java SE
application with embedded Tomcat pr Jetty to run web service).

* read a little about micro-services
* read a little about Spring Boot
* convert the web service from 2B to Spring Boot

Arne

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#39163

On 10/09/2019 2:33 pm, Eric Douglas wrote:
> I can certainly read the documentation but I don't think I'll really
> learn it unless I can make a sample program and run it.  I've tried
> downloading samples and can't get anything to compile.

Strange, I found the tutorials pretty easy to follow - then again, thene
are thousands of courses regarding Spring, and I'm sure they are not all
equal.

But if you want a step-by-step guide and some background information to
give better context, I would highly recommend the "Spring in 28 Minutes"
course available on Udemy/Youtube. Contrary to the name, it takes longer
than 28 minutes. ;-) The "... in 28 minutes" is just the name of a
series of courses by that author.

Note:
  I'm not affiliated with the author of that course or Udemy in any way.
  I'm simply a very happy customer of using that course myself a couple
  months back. It is really good, easy to follow, and the instructor
  seems very knowledgeable in that area. You can also very easily find
  discount codes for the course to make them even cheaper than what they
  already are.


Regards,
  Graeme

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