Groovy

Groovy programming language tutorials, examples, and best practices.

10 Useful Groovy String Drop Examples to Skip Characters Easily

The Groovy drop() method with 10 practical examples. Skip first N characters safely. Tested on Groovy 5.0.6 with actual output. “Sometimes the most useful thing you can do with a string is throw away the beginning.” Last Updated: July 2026 | Tested on: Groovy 5.0.6, Java 17+ | Difficulty: Beginner to Intermediate | Reading Time: 14 minutes When you need to chop off the first few characters of a string – a prefix you don’t want, a country code on ... Read More

10 Practical Groovy String Reverse Examples You Should Know

Groovy string reverse method is demonstrated with 10 tested examples. Reverse strings, check palindromes, and more. Complete guide for Groovy 5.0.6. “Sometimes the best way to understand a string is to look at it backwards.” Last Updated: July 2026 | Tested on: Groovy 5.0.6, Java 17+ | Difficulty: Beginner | Reading Time: 12 minutes The groovy string reverse method is deceptively simple – call reverse() on any string and you get the characters flipped. But it pops up in more ... Read More

Groovy String take() Method – Get First N Characters Safely with 12 Examples

Your blog preview needs the first 80 characters of a post, and half the posts are shorter than that. substring(0, 80) throws; the Groovy take() method just returns what exists. This post works through 12 tested examples of Groovy take() on strings and lists, plus takeRight() and takeWhile(), and the edge cases where index math bites. “Good code doesn’t crash on edge cases. Great code handles them gracefully by default.” Last Updated: July 2026 | Tested on: Groovy 5.0.6, Java ... Read More