Backend Software Engineer Interview Questions

15,521 backend software engineer interview questions shared by candidates

Describe the mechanism of hashtable. What's the defference between hashtable and hashmap? Why do we use concurrenthashtable? What does kewrord volatile do? Why we use ReentrantReadWriteLock? Why we use distributed Systems? Some methods to synchronize datas in defferent servers. How does hadoop work? Why we need the cache in the proccess of communication with database? How to solve the problems of cache puncture.
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Backend Developer

Interviewed at Huawei Technologies

3.4
Oct 27, 2021

Describe the mechanism of hashtable. What's the defference between hashtable and hashmap? Why do we use concurrenthashtable? What does kewrord volatile do? Why we use ReentrantReadWriteLock? Why we use distributed Systems? Some methods to synchronize datas in defferent servers. How does hadoop work? Why we need the cache in the proccess of communication with database? How to solve the problems of cache puncture.

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