Mastering Groovy Programming

Video description

Learn advanced techniques for working with the Groovy programming language. In this video workshop, presenter and Java consultant Ken Kousen shows you how to create RESTful web services, conduct Unit Tests, apply Groovy’s functional programming features, and use Java’s Spring Framework in conjunction with this JVM language.

Once you complete this course, check out Ken’s other videos on the subject: Practical Groovy and Groovy Fundamentals. These …

Mastering Groovy Programming

Video description

Once you complete this course, check out Ken’s other videos on the subject: Practical Groovy and Groovy Fundamentals. These courses demonstrate the many advantages of adding Groovy to existing projects written in Java and other object-oriented languages.

Work with refreshable beans, inline scripted beans, POGOs as Spring beans, and see how Groovy works with Spring Boot
Learn about higher-order functions, immutable objects, and functional concepts including composition, method references, and memoize
Add persistence capabilities based on both JPA and NoSQL databases
Use Groovy traits for composition to simulate multiple inheritance
Dive into RESTful web services, including Groovy clients, and RESTful services with JAX-RS
Apply Unit Testing with JUnit and Spock

Ken Kousen, President of Kousen IT, Inc., is a technical trainer, mentor, and consultant in all areas related to Java, specializing in Android, Spring, Hibernate/JPA, Groovy, and Grails. He is the author of Making Java Groovy (Manning) and the upcoming O’Reilly book, Gradle for Android.

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Introduction and Review

A Quick Groovy Review 00:21:39

Unit Testing with the Spock Framework

Introduction to Spock 00:05:59

Blocks: expect 00:07:07

Blocks: when/then 00:10:09

Blocks: setup, cleanup, the old Method, and Exception Handling 00:07:03

Data-Driven Specs 00:09:48

Database-Driven Specs and Processed Inputs 00:08:19

Mocking Collaborators 00:15:40

Groovy and the Spring Framework

POGOs as Spring Beans 00:18:25

Refreshable Beans 00:08:45

Groovy Aspects and Inline Scripted Beans 00:12:23

Grails and Spring 00:06:35

Groovy and Spring Boot 00:08:35

JPA and Groovy

JPA and Groovy 00:10:27

NoSQL and Groovy

NoSQL and Groovy 00:24:33

Functional Programming in Groovy

Closures, Lambdas, and Currying 00:18:52

Map-filter-reduce and Inject 00:10:47

Immutable Objects 00:08:03

Composition, Method References, and Memoize 00:13:19

Traits

Trait Basics 00:05:53

Multiple Traits, Traits with Properties, Conflicts, Runtime Traits, and Other Features 00:11:57

Demonstrations

Demo: Creating a Range 00:09:49

Demo: Basic Authentication 00:07:58

Demo: Closure Coercion 00:13:16

Demo: Returning from Closures 00:11:31

Demo: Dates and Times 00:04:35

RESTful Web Services

REST Principles 00:11:45

Groovy Clients for REST 00:08:03

Implementing RESTful Services Using JAX-RS 00:18:09

Customizing Messages with JsonBuilder and JsonSlurper 00:09:09

REST with Ratpack and Grails 00:09:24

Course Wrap Up 00:01:47

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