#10 | Java Interview | Interfaces | Marker Interface
🔵 What is a Marker Interface in Java? | Explained with Examples & Internals
In this video, we dive into the concept of *Marker Interfaces* in Java — what they are, why they exist, how they work under the hood in the JVM, and why modern Java developers often prefer *annotations* instead.
👨💻 You’ll learn:
What exactly is a marker interface?
Common examples like `Serializable`, `Cloneable`
JVM internals: How marker interfaces influence runtime behavior
Real-world use cases of marker interfaces
Why annotations are now the preferred alternative
Whether you're prepping for interviews or sharpening your core Java skills, this video will clear your doubts once and for all! ✅
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