Adam Sajewicz

Seasoned QA Engineer with over a decade of hands-on experience in automated and manual testing. With passion for tackling test automation tasks using Java and Selenium Webdriver, Adam is excited by the possibilities which comes with other technologies (Cypress.io, Playwright). Can carry the testing activities through every IT project, from its design phase till the go-life and maintenance. Privately loves to tinker and giving a new life to old things.

CodingBat is a free site of live coding problems to build coding skill in Java and Python (example problem). CodingBat is a project by Nick Parlante, a computer science lecturer at Stanford.
More info you can find there.

CodingBat page

I have resolved all the exercises with Java language. The result of my work can be found on GitHub.