Although I had been working as an SDET for 6 years, I am still new to LeetCode. Until today(Nov 20, 2021), I have solved 47/2081 problems, haha!
I just started reading the book Problem-Solving Through Problems recently and found some problem-solving skills in this book really helpful when I`m trying to solve some of the leetcode problems!
JVM Architecture Explained for Beginners: https://www.freecodecamp.org/news/jvm-tutorial-java-virtual-machine-architecture-explained-for-beginners/
http://tutorials.jenkov.com/java-concurrency/index.html
https://docs.oracle.com/javase/8/docs/technotes/guides/collections/overview.html