What is more promising Flutter or Java Backend Spring?

Question

Java

What is more promising in terms of work, backend on java spring boot, or mobile development on Flutter? What about salaries? What does the market need more? At the moment I work full stack with these two stacks, but I think to switch to one of them? The level of knowledge is about the same

Answer 1

What about salaries? What does the market need more?

Let me search for you

In my opinion, Flutter is waiting for the same thing as Dart.

Answer 2

I can believe that someday they will abandon the fluter on the front, but I can not believe that they will abandon the java on the back.