What is exception handling and why is it important?
A core concept question regarding error management in programming.
Why Interviewers Ask This
Exception handling is vital for writing robust code. Interviewers want to ensure you can write programs that fail gracefully rather than crashing. It demonstrates maturity in software engineering practices.
How to Answer This Question
Define exception handling as managing runtime errors. Explain try-catch blocks and their purpose. Discuss how it prevents program termination and aids debugging. Mention best practices like catching specific exceptions.
Key Points to Cover
- Definition of exceptions
- Try-catch mechanism
- Graceful degradation
- Best practices
Sample Answer
Exception handling is a mechanism to detect and respond to runtime errors without crashing the application. It uses try-catch blocks to isolate risky code and handle errors gracefully. This ensures the program can contin…
Common Mistakes to Avoid
- Catching all exceptions blindly
- Ignoring logging
- Not explaining benefits
- Confusing compile vs runtime
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