Checkstyle is a development tool to help programmers write Java code that adheres to a coding standard. By default it supports the Google Java Style Guide and Sun Code Conventions, but is highly configurable. It can be invoked with an ANT task and a command line program.
Toolkit is a IoT protocol client CLI for IoT developer and learners. CoAP and MQTT protocol are currently supported. It supports colors, autocompletion, internationalization(chinese, english and german…) and multi-platforms
Java-Cli-Table-Builder makes it easy to create flexible command-line tables. You haven't need to write your classes and methods to decorate console output anymore. Just use this flexible tool for positioning.