Javalin was inspired by https://sparkjava.com/ https://sparkjava.com/ which was inspired by Sinatra (which I think also inspired Express?). Anyway, libraries l

Javalin was inspired by https://sparkjava.com/ https://sparkjava.com/ which was inspired by Sinatra (which I think also inspired Express?). Anyway, libraries like this were only really feasible after Java 8 because of the reliance on lambdas. Having to instantiate anonymous nested classes for every "function" was a total pain before that.