JDD2014: Introducing groovy into JAVA project - Yuriy Chulovskyy
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The document presents an introduction to integrating Groovy into Java projects, highlighting Groovy's syntactic advantages such as reduced verbosity and features like truth, elvis operator, and null-safe navigation. It also discusses testing in Groovy with the Spock framework and contrasts Java 8 features with Groovy. Additionally, various links for further information on Groovy are provided.
JDD2014: Introducing groovy into JAVA project - Yuriy Chulovskyy
- 1. I Introducing Groovy into Java project Yuriy Chulovskyy, Luxoft
- 2. 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
- 3. My goals www.luxoft.com We can do better!!!
- 5. Syntax sugar. POJO www.luxoft.com 61 lines of code
- 7. Syntax sugar. POJO www.luxoft.com Semicolons
- 11. www.luxoft.com Default implementation for the methods 37 lines of code
- 12. www.luxoft.com 10 lines of code
- 13. Object construction www.luxoft.com Object name mentioned in each line verbose statement parentheses
- 14. www.luxoft.com
- 15. www.luxoft.com
- 16. www.luxoft.com
- 18. Elvis and null-safe navigation www.luxoft.com
- 27. Testing in Groovy. Power asserts www.luxoft.com
- 28. Testing in Groovy. Power asserts www.luxoft.com
- 29. Testing in Groovy. Spock Defines a Specification with features: setup: or given: expect: when: then: where: www.luxoft.com
- 30. Testing in Groovy. Spock www.luxoft.com
- 31. Testing in Groovy. Spock www.luxoft.com
- 32. Testing in Groovy. Spock www.luxoft.com
- 34. 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
- 35. Summary. AST transformation www.luxoft.com
- 36. Summary. Java 8 vs Groovy www.luxoft.com
- 38. 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