Groovy spaceship operator (<=>) for comparing numbers, strings, dates, and custom objects. 10+ examples with sorting and Comparable. Tested on Groovy 5.x. “In space, no one can hear you compare. But in Groovy, the spaceship operator makes comparison so easy you will barely notice it happening.” Joshua Bloch, Effective Java Last Updated: March 2026 | Tested on: Groovy 5.x, Java 17+ | Difficulty: Beginner to Intermediate | Reading Time: 15 minutes Comparing values is one of the most fundamental operations ... Read More