Various useful websites I have used over the years.
https://regex101.com/ – Useful for testing regex expressions
https://www.uuidgenerator.net/ – simple UUID generator
https://jsonformatter.curiousconcept.com/# – JSON Formatter
https://thepracticaldeveloper.com/home/ – Useful tutorials
https://www.thoughtworks.com/en-gb/radar -Thought works radar looks at new and emerging technology in software development and rates them. Useful for seeing what is up and coming.
http://www.java2s.com – Useful java coding examples
https://www.w3schools.com/java/ – java references
