Groovy Control Flow And Loops

Groovy Control Flow

Groovy control flow and looping tutorials. Covers for loops, each(), times(), switch statements, find(), findAll(), and pattern matching.

10 Useful Groovy find() Method Examples to Locate First Match

You need the first admin in a user list, and Java hands you a loop, an if, and a break statement. The Groovy find method does it in one line: users.find { it.admin }. It walks the collection, tests each element against your closure, and stops at the first match. The 10 tested examples below cover lists, maps, strings, and the null-safety traps. “Finding a needle in a haystack is easy when you have the right method. In Groovy, that ... Read More

12 Groovy each() Loop Examples to Iterate Like a Pro

The Groovy each() method lets you iterate with elegant closures. See 12 practical examples covering lists, maps, strings, and more. Tested on Groovy 5.0.6. “Iteration is the mother of mastery. In Groovy, each() makes that mastery effortless.” Last Updated: July 2026 | Tested on: Groovy 5.0.6, Java 17+ | Difficulty: Beginner to Intermediate | Reading Time: 18 minutes If you’ve been writing for loops in Groovy the way you did in Java, it’s time for an upgrade. The groovy each ... Read More

14 Essential Groovy For Loop Variations Every Developer Should Know

Every Groovy for loop variation is covered here with 14 tested examples. Classic for, for-in, ranges, each, and more. Complete guide for Groovy 5.0.6. “Any fool can write a loop that works. A good developer writes a loop that’s readable, efficient, and idiomatic.” Last Updated: July 2026 | Tested on: Groovy 5.0.6, Java 17+ | Difficulty: Beginner to Intermediate | Reading Time: 16 minutes Loops are the backbone of programming. Processing a list of users, crunching numbers, building output strings ... Read More