Introducing Groovy Java Projects

•

2 likes•384 views

This is story about thing you wanted to do but didn't yet. We will start with comparison of Groovy and Java code, will see how to test with Groovy and finally will try to sell it to manager

Software

I
Introducing Groovy into
Java project
Yuriy Chulovskyy, Luxoft

Who am I?
Yuriy Chulovskyy, 10 years in IT
www.luxoft.com
yuriy.chulovskyy@gmail.com
http://www.linkedin.com/in/yuriychulovskyy
https://github.com/ychulovskyy

My goals
www.luxoft.com
We can do better!!!

Syntax sugar. POJO
www.luxoft.com
61 lines of code

Syntax sugar. POJO
www.luxoft.com
Semicolons

www.luxoft.com
Default
implementation
for the methods
37 lines of code

Object construction
www.luxoft.com
Object name mentioned in each line
verbose statement
parentheses

Elvis and null-safe
navigation
www.luxoft.com

Testing in Groovy.
Power asserts
www.luxoft.com

Testing in Groovy.
Spock
Defines a Specification with features:
setup: or given:
expect:
when:
then:
where:
www.luxoft.com

Summary.
Syntactic Sugar
● Optional: semicolons, parentheses, return
keyword, public keyword, typing
● GString
● Truth, Elvis, null-safe navigation
● Constructor with map as parameter, “with” closure
● Collections API
● Power asserts
www.luxoft.com

Summary.
AST transformation
www.luxoft.com

Summary.
Java 8 vs Groovy
www.luxoft.com

Links
http://www.groovy-lang.org/
https://speakerdeck.com/glaforge/what-makes-groovy-groovy-jax-london-2013
http://glaforge.appspot.com/article/back-from-javaone
http://www.slideshare.net/aalmiray/gr8conf-groovy-ecosystem
https://github.com/ychulovskyy/TestSpockReportGenerator
www.luxoft.com

Viewers also liked

PLNOG 13: Julian Lucek: Centralized Traffic EnginneringPROIDEA

PLNOG15: Implementation of integrated DDI/NAC solution for a health insurance...PROIDEA

PLNOG15: Data Center migration in practice - Tomasz JarlaczykPROIDEA

CONFidence 2015: Analiza przypadku: Carbanak - jak uniknąć powtórki - Przemys...PROIDEA

PLNOG 13: Marcin Kuczera: Difficult business client – VOIP and modem data tra...PROIDEA

PLNOG15: Automation of deployment and management of network devices - Oskar J...PROIDEA

PLNOG 13: Piotr Jabłoński: First Steps in Autonomic NetworkingPROIDEA

PLNOG15: Cisco Application Centric Infrastructure - why ...? - Krzysztof MazepaPROIDEA

PLNOG 13: Mateusz Viste: Concepts of WAN traffic engineering using BGP real-t...PROIDEA

PLNOG15: Yang - latin of XXI centaury - Sławomir JanukowiczPROIDEA

PLNOG 13: Alexis Dacquay: Handling high-bandwidth-consumption applications in...PROIDEA

4Developers 2015: Wnioski wyciągnięte z powiększania zespołu - Bartek Nowa...PROIDEA

Jdd2014: High performance logging - Peter LawreyPROIDEA

CONFidence 2015: AppSec, the untrustable dev - Timur KhrotkoPROIDEA

Atmosphere Conference 2015: Oktawave Horizon Project: the future of real-time...PROIDEA

Royal Ascot - What To WearDedicatedfolloweroffashion

JDD2015: ClassIndex - szybka alternatywa dla skanowania klas - Sławek PiotrowskiPROIDEA

JDD2014: Strategiczna refaktoryzacja - Michał BartyzelPROIDEA

New microsoft word documentquannhung00

JDD2014: The mythical 10x developer - Michał GrucaPROIDEA

Viewers also liked (20)

PLNOG 13: Julian Lucek: Centralized Traffic Enginnering

PLNOG15: Implementation of integrated DDI/NAC solution for a health insurance...

PLNOG15: Data Center migration in practice - Tomasz Jarlaczyk

CONFidence 2015: Analiza przypadku: Carbanak - jak uniknąć powtórki - Przemys...

PLNOG 13: Marcin Kuczera: Difficult business client – VOIP and modem data tra...

PLNOG15: Automation of deployment and management of network devices - Oskar J...

PLNOG 13: Piotr Jabłoński: First Steps in Autonomic Networking

PLNOG15: Cisco Application Centric Infrastructure - why ...? - Krzysztof Mazepa

PLNOG 13: Mateusz Viste: Concepts of WAN traffic engineering using BGP real-t...

PLNOG15: Yang - latin of XXI centaury - Sławomir Janukowicz

PLNOG 13: Alexis Dacquay: Handling high-bandwidth-consumption applications in...

4Developers 2015: Wnioski wyciągnięte z powiększania zespołu - Bartek Nowa...

Jdd2014: High performance logging - Peter Lawrey

CONFidence 2015: AppSec, the untrustable dev - Timur Khrotko

Atmosphere Conference 2015: Oktawave Horizon Project: the future of real-time...

Royal Ascot - What To Wear

JDD2015: ClassIndex - szybka alternatywa dla skanowania klas - Sławek Piotrowski

JDD2014: Strategiczna refaktoryzacja - Michał Bartyzel

New microsoft word document

JDD2014: The mythical 10x developer - Michał Gruca

Similar to Introducing Groovy Java Projects

Let's contribute, HTML5Rocks/ko!Chang W. Doh

GroovyFX - Groove JavaFXsascha_klein

Static Analysis and AST TransformationsHamletDRC

GroovyFX - groove JavaFX Gr8Conf EU 2017sascha_klein

Android Bootstrapdonnfelker

Debugging rendering problems at scaleGiacomo Zecchini

Groovy And Grails IntroductionEric Weimer

Intro to OOPGant Laborde

GDG SF Meetup - Progressive Web Apps 101Frances Coronel

Javaone2008 Bof 5102 GroovybuildersAndres Almiray

Groovy on AndroidAlexey Zhokhov

TDC2016POA | Trilha Pyhton - Python para Internet of Thingstdc-globalcode

Groovy and Grails in Action - Devoxx 2008 - University - Guillaume LaforgeGuillaume Laforge

GDG DevFest 2018 - Progressive Web Apps 101Frances Coronel

What would your own version of Ruby look like?Hung Wu Lo

GOTO Paris | @see GopherJan Klat

Open Hack London - Introduction to YQLChristian Heilmann

Scenic City Summit 2018 - Progressive Web Apps 101Frances Coronel

Ratpack On the DocksGR8Conf

Similar to Introducing Groovy Java Projects (19)

Let's contribute, HTML5Rocks/ko!

GroovyFX - Groove JavaFX

Static Analysis and AST Transformations

GroovyFX - groove JavaFX Gr8Conf EU 2017

Android Bootstrap

Debugging rendering problems at scale

Groovy And Grails Introduction

Intro to OOP

GDG SF Meetup - Progressive Web Apps 101

Javaone2008 Bof 5102 Groovybuilders

Groovy on Android

TDC2016POA | Trilha Pyhton - Python para Internet of Things

Groovy and Grails in Action - Devoxx 2008 - University - Guillaume Laforge

GDG DevFest 2018 - Progressive Web Apps 101

What would your own version of Ruby look like?

GOTO Paris | @see Gopher

Open Hack London - Introduction to YQL

Scenic City Summit 2018 - Progressive Web Apps 101

Ratpack On the Docks

Recently uploaded

MYjobs Presentation Django-based projectAnoyGreter

Asset Management Software - InfographicHr365.us smith

Professional Resume Template for Software DevelopersVinodh Ram

ODSC - Batch to Stream workshop - integration of Apache Spark, Cassandra, Pos...Christina Lin

Cloud Data Center Network Construction - IEEEVICTOR MAESTRE RAMIREZ

EY_Graph Database Powered SustainabilityNeo4j

(Genuine) Escort Service Lucknow | Starting ₹,5K To @25k with A/C 🧑🏽‍❤️‍🧑🏻 89...gurkirankumar98700

BATTLEFIELD ORM: TIPS, TACTICS AND STRATEGIES FOR CONQUERING YOUR DATABASEOrtus Solutions, Corp

KnowAPIs-UnknownPerf-jaxMainz-2024 (1).pptxTier1 app

办理学位证(UQ文凭证书)昆士兰大学毕业证成绩单原版一模一样umasea

Cloud Management Software Platforms: OpenStackVICTOR MAESTRE RAMIREZ

Dealing with Cultural Dispersion — Stefano Lambiase — ICSE-SEIS 2024StefanoLambiase

Russian Call Girls in Karol Bagh Aasnvi ➡️ 8264348440 💋📞 Independent Escort S...soniya singh

Steps To Getting Up And Running Quickly With MyTimeClock Employee Scheduling ...MyIntelliSource, Inc.

Alluxio Monthly Webinar | Cloud-Native Model Training on Distributed DataAlluxio, Inc.

chapter--4-software-project-planning.pptkotipi9215

Try MyIntelliAccount Cloud Accounting Software As A Service Solution Risk Fre...MyIntelliSource, Inc.

GOING AOT WITH GRAALVM – DEVOXX GREECE.pdfAlina Yurenko

The Evolution of Karaoke From Analog to App.pdfPower Karaoke

Der Spagat zwischen BIAS und FAIRNESS (2024)OPEN KNOWLEDGE GmbH

Recently uploaded (20)

MYjobs Presentation Django-based project

Asset Management Software - Infographic

Professional Resume Template for Software Developers

ODSC - Batch to Stream workshop - integration of Apache Spark, Cassandra, Pos...

Cloud Data Center Network Construction - IEEE

EY_Graph Database Powered Sustainability

(Genuine) Escort Service Lucknow | Starting ₹,5K To @25k with A/C 🧑🏽‍❤️‍🧑🏻 89...

BATTLEFIELD ORM: TIPS, TACTICS AND STRATEGIES FOR CONQUERING YOUR DATABASE

KnowAPIs-UnknownPerf-jaxMainz-2024 (1).pptx

办理学位证(UQ文凭证书)昆士兰大学毕业证成绩单原版一模一样

Cloud Management Software Platforms: OpenStack

Dealing with Cultural Dispersion — Stefano Lambiase — ICSE-SEIS 2024

Russian Call Girls in Karol Bagh Aasnvi ➡️ 8264348440 💋📞 Independent Escort S...

Steps To Getting Up And Running Quickly With MyTimeClock Employee Scheduling ...

Alluxio Monthly Webinar | Cloud-Native Model Training on Distributed Data

chapter--4-software-project-planning.ppt

Try MyIntelliAccount Cloud Accounting Software As A Service Solution Risk Fre...

GOING AOT WITH GRAALVM – DEVOXX GREECE.pdf

The Evolution of Karaoke From Analog to App.pdf

Der Spagat zwischen BIAS und FAIRNESS (2024)