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5,290 sr java developer interview questions shared by candidates

how many methods are in Object class, why java allow to write Abstract class with any method( abstract or non abstract) such type of foolish questions., how to set data in final class etc. Worse company as per my experience.
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Senior Java Developer

Interviewed at Deloitte

3.8★
Jan 18, 2017

how many methods are in Object class, why java allow to write Abstract class with any method( abstract or non abstract) such type of foolish questions., how to set data in final class etc. Worse company as per my experience.

Q: What was the one thing they asked you? A: They asked me to explain how I approach solving complex problems in Java — not just the code, but the thought process, teamwork, and how I ensure scalability and performance.
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Senior Java Developer

Interviewed at Statusneo

3.9★
Jun 4, 2026

Q: What was the one thing they asked you? A: They asked me to explain how I approach solving complex problems in Java — not just the code, but the thought process, teamwork, and how I ensure scalability and performance.

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