They also need to serve a lot of people. Java also uses less energy than Go, significantly less than JS, and a whole lot less than Python [1]. Those big compani

They also need to serve a lot of people. Java also uses less energy than Go, significantly less than JS, and a whole lot less than Python [1]. Those big companies also need to care about that (not to mention about Java's combination of performance, productivity, serviceability and stability). [1]: https://greenlab.di.uminho.pt/wp-content/uploads/2017/10/sleFinal.pdf https://greenlab.di.uminho.pt/wp-content/uploads/2017/10/sle...