Not always! Sometimes `extends Plastic{}`
Or `extends Aluminum{}`!
[0] https://tvtropes.org/pmwiki/pmwiki.php/Main/AluminumChristma...
So Tree is an interface then, not a class?
I'm pretty sure its called a Trait these days.
Or `extends Aluminum{}`!
[0] https://tvtropes.org/pmwiki/pmwiki.php/Main/AluminumChristma...
So Tree is an interface then, not a class?
I'm pretty sure its called a Trait these days.