Groovy Advanced

Advanced Groovy topics. GINQ queries, Grape dependency management, generics, type checking, command chains, DSL building, and Groovy 5 features.

Groovy Scripting for Automation – 12 Tested Examples for Practical Tasks

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Groovy scripting for automation with 12+ examples. Covers CLI parsing, file processing, CSV/JSON scripts, database tasks, and @Grab setup. Tested on Groovy 5.x. “The best automation script is the one you didn’t have to compile, package, or deploy. Just write it and run it.” Dave Thomas, The Pragmatic Programmer Last Updated: March 2026 | Tested on: Groovy 5.x, Java 17+ | Difficulty: Beginner to Intermediate | Reading Time: 25 minutes Why Groovy for Scripting and Automation? If you’ve ever written ... Read More

Groovy 5.0 New Features – 12 Tested Examples of What Changed

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Groovy 5 new features with 12+ examples. Covers GINQ, sealed classes, records, switch expressions, pattern matching, and migration tips from Groovy 4.x. “Every major version bump is a conversation between the language designers and the community. Groovy 5 is a particularly good conversation.” Guillaume Laforge, Groovy Project Lead Last Updated: March 2026 | Tested on: Groovy 5.x, Java 17+ | Difficulty: Intermediate to Advanced | Reading Time: 28 minutes If you’ve been working with Groovy for any length of time, ... Read More

Groovy Operator Overloading – Custom Operators for Your Classes with 10 Examples

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Groovy operator overloading with 10+ examples. Learn operator-to-method mapping, Comparable, equals/hashCode, custom [] and > b a.rightShift(b) Right shift a++ a.next() Increment a-- a.previous() Decrement a <=> b a.compareTo(b) Spaceship (compare) a == b a.equals(b) Equality a as T a.asType(T) Type coercion 10 Practical Operator Overloading Examples Example 1: The plus() Method (+) What we’re doing: Implementing the + operator by defining a plus() method. Example 1: The plus() Method class Point { int x, y Point(int x, int y) ... Read More