Do you know Java? What are its key features?
This technical question verifies your proficiency in a widely used language and your understanding of its core characteristics.
Why Interviewers Ask This
Java is ubiquitous in enterprise environments like TCS. Interviewers need to confirm you have the necessary foundational knowledge to hit the ground running. They also assess your ability to recall standard language features accurately.
How to Answer This Question
Confirm your familiarity level honestly. List major features like platform independence, OOP principles, memory management, and robustness. Be ready to elaborate on any feature mentioned if probed further.
Key Points to Cover
- Platform independence
- Object-Oriented Programming support
- Memory management
Sample Answer
Yes, I have extensive experience with Java. Key features include platform independence via bytecode, automatic garbage collection, strong memory management, and a rich standard library. It supports multi-threading and provides robust security features suitable for enterprise applications.
Common Mistakes to Avoid
- Confusing Java with JavaScript
- Listing outdated features
- Failing to mention garbage collection
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