Both Java checked and unchecked exceptions are inferior to signaling errors by return values like Go/Rust/Haskell do. Exceptions are not composable, cannot be

Both Java checked and unchecked exceptions are inferior to signaling errors by return values like Go/Rust/Haskell do. Exceptions are not composable, cannot be generic, and it is not visible in the source code which lines can throw, so every line is a potential branching point.