i
Precision Infomatic M Pvt Ltd
Filter interviews by
I applied via Referral and was interviewed in Jun 2021. There were 2 interview rounds.
Top trending discussions
I applied via Naukri.com and was interviewed in Nov 2020. There were 5 interview rounds.
I applied via LinkedIn and was interviewed before Apr 2023. There were 4 interview rounds.
Fetching data from api, DSA question (Queue implementation)
Java hash map is a data structure that stores key-value pairs and uses hashing to efficiently retrieve values based on keys.
HashMap in Java implements the Map interface and allows null keys and values.
It uses hashing to store and retrieve key-value pairs, providing O(1) time complexity for get() and put() operations.
Example: HashMap
I appeared for an interview before Mar 2024.
When I was join there no assignment I think now they conducting
Find the second largest element from the array.
Sort the array in descending order and return the second element.
Iterate through the array and keep track of the two largest elements.
Use a priority queue to find the second largest element.
Sort array and return second last element
Use built-in sort function
Access second last element using array index -2
It was medium level question
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...
based on 1 review
Rating in categories
System Engineer
812
salaries
| ₹1 L/yr - ₹4.5 L/yr |
Senior Systems Engineer
252
salaries
| ₹1.8 L/yr - ₹4.6 L/yr |
Desktop Support Engineer
114
salaries
| ₹1.3 L/yr - ₹4.2 L/yr |
System Administrator
88
salaries
| ₹1 L/yr - ₹6 L/yr |
Network Engineer
60
salaries
| ₹1.5 L/yr - ₹5.5 L/yr |
ITC Infotech
CMS IT Services
KocharTech
Xoriant