Groovy Basics - TechnoScripts

Groovy Number Math – Cookbook Guide with 10+ Examples

Groovy number math handling well beyond what Java offers. See 13 tested examples covering BigDecimal defaults, times/upto/downto loops, power operator, integer division, type coercion, abs/round/ceil/floor, currency formatting, random numbers, and numeric ranges. “In most languages, 0.1 + 0.2 equals 0.30000000000000004. In Groovy, it equals 0.3 – because Groovy chose BigDecimal as the default and saved us all from floating-point therapy.” Donald Knuth, The Art of Computer Programming Last Updated: March 2026 | Tested on: Groovy 5.x, Java 17+ | Difficulty: ... Read More

Groovy Script vs Class – 10+ Tested Examples

Learn the Groovy script vs class differences in execution with 12 tested examples. Covers Script subclass compilation, binding vs declared variables, @Field, GroovyShell, and GroovyScriptEngine. “A script is just a class that forgot to introduce itself – the compiler fills in the formalities so you can get straight to the point.” Venkat Subramaniam, Programming Groovy 2 Last Updated: March 2026 | Tested on: Groovy 5.x, Java 17+ | Difficulty: Intermediate | Reading Time: 16 minutes Understanding the groovy script vs ... Read More

Groovy GDK – Cookbook Guide with 10+ Examples

Explore the Groovy GDK (Groovy Development Kit) with 14 tested examples. Learn how Groovy extends JDK classes like String, List, Map, File, Object, and Number with hundreds of convenient methods. “The GDK is why Java developers fall in love with Groovy – it takes the classes you already know and adds the methods you always wished they had.” Dierk König, Groovy in Action Last Updated: March 2026 | Tested on: Groovy 5.x, Java 17+ | Difficulty: Beginner | Reading Time: ... Read More