# Jakarta EE Concurrency Technology Compatibility Kit, Version 2.0

## Release Notes, May 2021

## Kit Contents

The Jakarta EE Concurrency, Version 2.0 Technology Compatibility Kit (TCK) includes the following items:

- Jakarta EE Concurrency TCK tests signature, API, and Spec tests:

- A signature test that checks that all of the public APIs are supported in the Jakarta Concurrency Version 2.0 implementation that is being tested

- API tests for all of the public APIs under the `jakarta.enterprise.concurrent` package

- Spec tests for test assertions in the Jakarta EE Concurrency Utilities for Jakarta EE 2.0 Specification

## Jakarta EE Concurrency TCK Facts

> The test suite bundle contains the following:

> - 71 total tests
> - Signature Test

## Platform Notes

The Jakarta EE Concurrency TCK tests have been built with JDK 8 (1.8) and tested with JDK 8 (1.8) and 11.

The Jakarta EE Concurrency TCK tests have been run on the following platforms:

- CentOS Linux 7, Alpine Linux v3.12

The Jakarta EE Concurrency TCK tests have been run against a Concurrency 2.0 Compatible Implementation.

## Installing, Setting Up, and Running the Jakarta Concurrency TCK

Refer to the Jakarta EE Concurrency TCK 2.0 User's Guide (html, pdf) for complete instructions on installing, setting up, and running the Jakarta EE Concurrency TCK.
The online version of the JT Harness version 5.0 documentation is available here.