JSqlParser parses an SQL statement and translate it into a hierarchy of Java classes. The generated hierarchy can be navigated using the Visitor Pattern.

A Java implementation of the JSON Schema specification

An application to get controlled access to private members of Java classes

The core parser functionality. This may be all you need.

JSON Patch (RFC 6902) and JSON Merge Patch (RFC 7386) implementation in Java

HDT Core Library Implementation in Java

This is a 3D implementation of QuickHull for Java, based on the original paper by Barber, Dobkin, and Huhdanpaa and the C implementation known as qhull. The algorithm has O(n log(n)) complexity, works with double precision numbers, is fairly robust ...

Antlr Java Parser aims to create a Java parser using Antlr 4 grammar rules.

Core processing architecture for json-schema-validator

A variety of java.util.logging formatters, adapters and filters.