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Java Senior Interview Questions
6,013 java senior interview questions shared by candidates
java 8 theory as well coding questions, collection, multithreading spring boot microservices
Design a booking system to integrate with existing Revolut ecosystem.
Live coding + some questions about complexity of the solution. Load balancer. Some extra requirements once you implement the previous ones. Money transfer service, then SQL query of money transfer, then theory about DB mostly (ACID, isolation levels).
Difference between coupling and cohesion, and asynchronous and synchronous method. They somehow did not clicked with me during interview. Also different approaches to the architecture of skype was also complex
Integrate Maps with streams? (only interviewer can understand this question) Limitations of autowiring? How do you deploy spring application jar?
Java 8 Features: What are lambda expressions in Java? Provide an example. Explain the Stream API and its benefits. What are default methods in interfaces? Memory Management: How does garbage collection work in Java? Explain the difference between stack and heap memory.
Fetch all the pairs which sum up to same number
Common questions about Java, Spring, DBs. Live coding - implementing concurrent ring buffer in TDD approach
How do you implement IoC pattern
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