C# has had string interpolation for, what - nearly a decade, now? It arrived with C# v6, which was released in 2015.

Meanwhile Java just pulled their implementation out of the latest beta earlier this year because they couldn’t get it to work right.

Don’t know about you, but I think that Java is largely resting on its laurels as of late. That the only real reason to go for it is it’s third-party library system, and not much more.