alt Hacker NewsJava made opaque types possible from the very start by private and package-private constructors.
It's sad to see that many features regarding object-oriented programming and static typing are implemented worse in Python than Java. Various examples: __str__() vs. toString(); underscore vs. private; @staticmethod/@classmethod vs. static; generic types are so clunky in Python; types are not shown in the official Python standand library documentation; __init__() doesn't force you to call super() whereas it's mandatory in Java; @override (Python 3.12; year 2023) copying Java @Override (JDK 1.5; year 2004) very late; convention changing from duck typing (always available in Python) to structural typing (optional in Python, mandatory in Java).
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Python is much older than Java, and Java is a big OO-first language. It's a bit like saying Python doesn't do functional as well as Erlang.
I agree that these are implemented "worse" than Java but that's because Python wants these things to be optional! You can complain about it as much as you want but that just means it's the wrong language for you, if that's important to you.