Do you know Java? What are the differences between Java and C#?

Technical
Medium
TCS
87.5K views

Direct Answer

A direct technical assessment of your proficiency in programming languages and your ability to compare similar paradigms.

Why Interviewers Ask This

Many enterprises use either Java or .NET stacks. Interviewers need to confirm you have a solid grasp of object-oriented principles applicable across languages. Comparing Java and C# tests your depth of knowledge regarding syntax, memory management, and ecosystem differences.

How to Answer This Question

Confirm your proficiency level first. Then list key differences such as platform independence, syntax variations, and framework ecosystems. Mention similarities like garbage collection and OOP features. Be honest about your primary language but emphasize transferable concepts.

Key Points to Cover

  • Confirmation of proficiency
  • Syntax and feature differences
  • Ecosystem comparisons
  • Shared OOP concepts

Sample Answer

Yes, I have extensive experience with Java, though my recent hackathon project was in C#. Both languages are statically typed and object-oriented with garbage collection. Key differences include C#'s LINQ for querying co…

Common Mistakes to Avoid

  • Claiming zero knowledge in one
  • Confusing syntax rules
  • Overlooking memory management similarities
  • Failing to mention frameworks

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