Guava is a suite of core and expanded libraries that include

The Apache Commons IO library contains utility classes, stream implementations, file filters,

Apache Commons Lang, a package of Java utility classes for the classes that are in java.lang's hierarchy, or are ...

Code Channel

Open source platform for continuous inspection of code quality

API for SLF4J (The Simple Logging Facade for Java) which serves as a simple facade or abstraction for various logging ...

Jakarta/Apache commons logging 1.2 implemented over SLF4J

Implementation of the SLF4J API for Logback, a reliable, generic, fast and flexible logging framework.

JUnit Jupiter is the API for writing tests using JUnit 5.

Core API and libraries of hamcrest matcher framework.

Mockito mock objects library core API and implementation