Java Senior Interview Questions

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Circuit breaker implementation in Java: The service A calls service B and service C every time. If one service fails 3-times in 10 minutes ( or 20 seconds in the implementation) the next call will be blocked for 5 minutes (10 seconds in the implementation). There was given a simulation of remote method calls, I needed to implement only the execute() which calls the remote service if possible.
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Senior Backend Java Engineer

Interviewed at Wise

3.7
Feb 19, 2026

Circuit breaker implementation in Java: The service A calls service B and service C every time. If one service fails 3-times in 10 minutes ( or 20 seconds in the implementation) the next call will be blocked for 5 minutes (10 seconds in the implementation). There was given a simulation of remote method calls, I needed to implement only the execute() which calls the remote service if possible.

Basic java questions, the basic concepts should be clear, mind should be logical. Firstly there would be a telephonic, then there would be a face to face technical round and at last there would be a final round with the CEO.

Senior Java Developer

Interviewed at Kailash Agro Cold Storage

2.6
Dec 25, 2018

Basic java questions, the basic concepts should be clear, mind should be logical. Firstly there would be a telephonic, then there would be a face to face technical round and at last there would be a final round with the CEO.

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