This cheat sheet, from Princeton University's Introduction to Programming in Java course, makes a great reference for the basics you need to know, like structure, input/output, data types, and ...

OOP can seem a bit abstract at first, but once you get the hang of it, it’ll change the way you write code. It’s all about thinking in terms of objects and their interactions, which leads to cleaner, ...

This Java release effectively notified developers that it’s no longer sufficient to think about Java programming only from the imperative, object-oriented perspective.