Java Senior Interview Questions

6,013 java senior interview questions shared by candidates

I got all type of questions where at that point in time where aroung reactive programming and webflux. Currently if hiring will open again the concentration of the question would be classical multithreading/concurrency, usage of virtual threads in java, applying SOLID principles, unit | functional | integration testing all of them against the code you delivered in the second phase.
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Senior Java Developer

Interviewed at Travix International

3.4
Mar 18, 2025

I got all type of questions where at that point in time where aroung reactive programming and webflux. Currently if hiring will open again the concentration of the question would be classical multithreading/concurrency, usage of virtual threads in java, applying SOLID principles, unit | functional | integration testing all of them against the code you delivered in the second phase.

Round 1 - Telephonic 1.1 What's new with Interfaces in Java 8? 1.2 Immutable classes and Singleton design pattern - Lazy and early initialization 1.3 Logical questions on Abstract class and Interface 1.4 Reflection API in Java Round 2 - Skype 2.1 Questions on actual work experience 2.2 Share screen, open IDE and write a program which implements LRU cache without using LinkedHashMap.
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Senior Java Developer

Interviewed at Globant

3.6
Jan 5, 2018

Round 1 - Telephonic 1.1 What's new with Interfaces in Java 8? 1.2 Immutable classes and Singleton design pattern - Lazy and early initialization 1.3 Logical questions on Abstract class and Interface 1.4 Reflection API in Java Round 2 - Skype 2.1 Questions on actual work experience 2.2 Share screen, open IDE and write a program which implements LRU cache without using LinkedHashMap.

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