This is the tutorial bundle from Oracle Java SE tutorial homepage, last updated at 2021-2-10. The only modification is that I added this readme file. Publishing this repo as the download process from ...

Java map() vs flatMap() — Learn the key differences, when to use each, and how to avoid nested Optional and Stream structures. With full runnable examples.

Abstract: With the rising popularity of Object-Oriented Programming (OOP) in both research and industry, it is important that computer science students be educated in the fundamentals of OOP and what ...