Why No One Talks About Functional Interfaces Before Java 8
🤔 Ever wondered if Functional Interfaces existed before Java 8?
In this video, we uncover how classics like `Runnable` and `Comparator` were already functional — even before Lambdas were introduced!
🎯 By the end, you'll be ready to explain FIs with confidence — and even answer tricky interview follow-ups.
📺 Watch more Java Interview Questions in this playlist: • Java 8 Interview Questions Explained
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