i
Wissen Infotech
Filter interviews by
I applied via Company Website and was interviewed before Apr 2021. There were 3 interview rounds.
Its general questions
Top trending discussions
I applied via Naukri.com and was interviewed in Nov 2020. There were 5 interview rounds.
I applied via Naukri.com and was interviewed in Jun 2021. There was 1 interview round.
I applied via Naukri.com and was interviewed before Apr 2023. There were 3 interview rounds.
Singleton class is a class that can only have one instance, while HashMap is not thread-safe but ConcurrentHashMap is.
Singleton class restricts instantiation to one object, ensuring a single instance throughout the application.
HashMap allows multiple threads to access and modify it concurrently, which can lead to data corruption in a multi-threaded environment.
ConcurrentHashMap is thread-safe and allows multiple thread...
It was medium level question
I applied via Referral and was interviewed before Jun 2021. There were 4 interview rounds.
based on 4 reviews
Rating in categories
Software Engineer
379
salaries
| ₹3.5 L/yr - ₹14 L/yr |
Junior Software Engineer
239
salaries
| ₹2.4 L/yr - ₹6.3 L/yr |
Senior Software Engineer
219
salaries
| ₹7.1 L/yr - ₹25 L/yr |
Associate Software Engineer
193
salaries
| ₹2.5 L/yr - ₹9 L/yr |
Junior Engineer
90
salaries
| ₹2.4 L/yr - ₹5.9 L/yr |
Wissen Technology
ITC Infotech
3i Infotech
Cybage