Senior Java Engineer Interview Questions

5,790 senior java engineer interview questions shared by candidates

List<String> list = new ArrayList<String>(); System.out.println(list.get(0)); what will be the output what type of ioc container in spring where we can use @bean and @ component what will happen if we do not provide constructor private in Singleton
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Senior Java Developer

Interviewed at Zensar Technologies

3.7
Jan 20, 2021

List<String> list = new ArrayList<String>(); System.out.println(list.get(0)); what will be the output what type of ioc container in spring where we can use @bean and @ component what will happen if we do not provide constructor private in Singleton

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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