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Java

Java Implementations

In this code the Interface (List) is on the left and the Implementation (ArrayList) is on the right.

List<String> people = new ArrayList<>();

Is an Implementation considered ANY class that implements an interface with the "implements" key word?

1 Answer

Craig Dennis
STAFF
Craig Dennis
Treehouse Teacher

Yep exactly! Thanks for sharing that thought, and sorry it wasn't directly clear!

I see ok now I 100% understand what Java Implementations are, thanks professor Craig appreciate you taking the time to help me understand.