https://spring.io/ - Spring Framework
https://projectreactor.io/ - Reactor is a fourth-generation Reactive library for building non-blocking applications on the JVM based on the Reactive Streams Specification
http://www.oracle.com/technetwork/java/whitepaper-135217.html - The Java HotSpot Performance Engine Architecture
https://docs.oracle.com/javase/specs/jvms/se10/html/index.html - The Java® Virtual Machine Specification - Java SE 10 Edition
https://docs.oracle.com/javase/specs/jls/se10/html/index.html - The Java® Language Specification - Java SE 10 Edition
https://docs.oracle.com/javase/10/security/toc.htm - Java Platform, Standard Edition Security Developer’s Guide
http://tutorials.jenkov.com/java-concurrency/index.html - comprehensive Java concurrency tutorial
https://howtodoinjava.com/ - aggregator for Java tutorials
http://www.java67.com/ - Java Programming tutorials and Interview Questions, book and course recommendations from Udemy, Pluarlsight etc
http://downloads.plumbr.io/Plumbr%20Handbook%20Java%20Garbage%20Collection.pdf - Garbage Collectors Handbook
http://www.gceasy.io/ - Universal GC Log Analyzer
http://fastthread.io/ - Java Thread Dump Analyzer
https://3.bp.blogspot.com/-6P98YNSxuF4/WA7KEsctHvI/AAAAAAAANrI/Guxu7Th7k0sbz5gg5eIpVssajaACjYRmQCPcB/s1600/Java%2B8%2B-%2BGC%2Bcheatsheet.png - HotSpot JVM options
