jMetal: a framework for multi-objective optimization with metaheuristics
Java Scheme
Latest commit 32c8255 Feb 9, 2017 @ajnebro ajnebro committed on GitHub Merge pull request #182 from santib/master
Fix CommandLineIndicatorRunner when normalizing fronts

jMetal 5 Development Site


Build Status

jMetal is an object-oriented Java-based framework for multi-objective optimization with metaheuristics The Web page of the project is: Former jMetal versions can be found in SourceForge. The current version is jMetal 5.2.

The jMetal development version is hosted in this repository; this way, interested users can take a look to the new incoming features in advance.

If you are interested in contributing with your ideas and comments, please take a look the current discussions in the Issues section.

Changelog of the next incoming release (jMetal 5.3)

jMetal is available as a Maven Project in The Central Repository

The link to the modules is:

jMetal documentation

The documentation is hosted in


A.J. Nebro, J.J. Durillo, M. Vergne: "Redesigning the jMetal Multi-Objective Optimization Framework". Proceedings of the Companion Publication of the 2015 on Genetic and Evolutionary Computation Conference (GECCO Companion '15) Pages 1093-1100. DOI:

Code coverage (4th April 2016)

Coverage data of the jmetal-core package reported by IntelliJ Idea:

Class % Method % Line %
51,8% (93/181) 40.0% (375/393) 37%% (1183/5084)