Java enables you to manipulate integers on a bit level, that means operating on specific bits, which represent an integer number. In some cases, it can be really handy.
Coding Interviews can be hard. Knowing algorithms and data structures is required, but not enough. You need to practice. A lot. Solving problems on your own is a good start, but practicing online with a real person as an interviewer is much better.
Running IntelliJ IDEA IDE can be taxing on your machine, especially for large projects, here are a few tips, which can help you to achieve a better performance.
How to make the most of the IntelliJ IDEA’s view modes to make best presentations possible including visualization of the keyboard input?