Pagable
Comparable
Serizable
Guava
Joda is the date type util to fill the gap for the poor date handle prior Java 8.
cucumber
Jacoco helps to setup the coverage goal, setup the rule to checking(e.g. ignore sepcific paths and classes).
xstream
hamcrest is used as the matcher in Java unit test. It help us to pick up the object matching the felxible rules we define for the testing.
liquibase, flyway
Hikari is a very light-weight connection pool framework. Just a bit simple setup can help us to set the maximumPoolSize and minimumIdle of connection pool.