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Latest commit 379b60c Nov 30, 2016 Thomas Stocker added String methods:
- countLines: A method for counting the lines in a string (only \n!)
- createString(String, int): A method for creating a string on basis of
occurrences of a base string
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nbproject workaround for bug, where changing or creating the working directory … Apr 18, 2016
res/de/invation/code/toval/icons IconFactory moved to src folder Aug 23, 2016
src/de/invation/code/toval added String methods: Nov 30, 2016
test/de/invation/code/toval Added functionality for property editing Oct 7, 2016
.gitignore added logo to readme Jul 30, 2015
.project IconFactory moved to src folder Aug 23, 2016
LICENSE - set version to 1.0.2 Jan 22, 2016
build.xml - added NetBeans project files Jun 3, 2015

TOVAL: Toms Java Library

Library with classes for common programming issues


TOVAL comprises a set of java classes for common programming issues. It includes utils for arrays, lists, sets and collections for convenient handling and modification, but also support for mathematic definitions concerning logic (clauses + resolution) together with some algorithms for permutations, powersets and resolution. Additionally it contains a number of types for multisets, matrices with object keys and much more.


  • Constraint Specification (numerical and string)
  • Debugging features (rudimentary)
  • File Handling
  • Graphical Utils
  • Graphical Statistical Diagrams
  • Mathematical Utils (permutations, truth tables, binomial coeff., logic, ...)
  • Time Utils (intervals, time scale and conversion)
  • Parameter validation
  • Random value generation
  • Utils for collections, arrays, lists, sets, strings

Latest Release

The most recent release is TOVAL 1.0.2, released January 22, 2016.

To add a dependency on TOVAL using Maven, use the following:


Older Releases

Older releases can be found under