A scripting language is generally thought as a language suitable for quick easy project, less so for large scale software engineering. Verbosity of syntax, compilation, presence of boilerplate code, static typing are all things that make java unattractive as a scripting language.
Java is great at what it does, which is not scripting.
I’d like to instead say “static typing without type inference” to be pedantic. I quite like writing scripty stuff in Haskell, and the type system helps in it actually running correctly sooner.
Java is great at what it does, which is not scripting.