Full-stack dev quiz question #65

HashSet is probably the most popular implementation of a set in Java. An important reason of that is computational complexity of crucial operation on HashSet. Check sixty fith question of full-stack dev quiz to find out, if you know what that means.

Full-stack dev quiz question #64

Liquibase has a way to easily import data from to file to a database table. Did you know that? Check sixty fourth question of full-stack dev quiz to verify if you know how to use it.

Full-stack dev quiz question #63

Caching may save performance of your system. For example, Caffeine Cache is one of powerful cache libraries that offer various configuration options. Speaking of options... do you know how to configure Caffeine Cache? Check sixty second question of full-stack dev quiz to check it.

Full-stack dev quiz question #62

Do you know how to prepare update and rollback SQL scripts with Liquibase that can be provided to a DBA? Check sixty second question of full-stack dev quiz to verify that.