Micro-Optimising in JRuby

06-Sep-2018 2546
One of the neatest bits of JRuby is the simple way you can call out to Java. There's a lot of Java out there, and you can wrap it up in nice little Ruby interfaces with just a few lines of code.Let's illustrate with some trivial examples, hooking up bits of Java to Ruby and seeing how well they perform compared to the equivalent pure Ruby.
Use coupon code:

RUBYONRAILS

to get 30% discount on our bundle!
Prepare for your next tech interview with our comprehensive collection of programming interview guides. Covering JavaScript, Ruby on Rails, React, and Python, these highly-rated books offer thousands of essential questions and answers to boost your interview success. Buy our 'Ultimate Job Interview Preparation eBook Bundle' featuring 2200+ questions across multiple languages. Ultimate Job Interview Preparation eBook Bundle