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Hitachi Energy
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Coding with UML diagrams
Easy and medium porblems are asked
Easy and medium problem are asked
I applied via Referral and was interviewed in May 2024. There was 1 interview round.
20 min - 20 questions
I applied via Naukri.com and was interviewed before Sep 2022. There were 2 interview rounds.
The main difference between .NET and .NET Core is that .NET Core is a cross-platform, open-source framework while .NET is a Windows-only framework.
NET Core is cross-platform, meaning it can run on Windows, macOS, and Linux, while .NET is limited to Windows.
.NET Core is open-source, allowing for community contributions and faster updates, while .NET is primarily developed by Microsoft.
.NET Core is modular, allowing deve...
Functions return a single value, while stored procedures can perform multiple operations and return multiple values.
Functions return a single value, while stored procedures can return multiple values.
Functions are called in SQL statements, while stored procedures are called using the EXECUTE command.
Functions cannot modify the database state, while stored procedures can.
Functions are precompiled and stored in the datab...
I applied via Recruitment Consultant and was interviewed in Mar 2021. There were 3 interview rounds.
Finding number with most frequency in 1M size array of strings.
Use a hash table to store the frequency of each number.
Iterate through the array and update the frequency in the hash table.
Find the number with the highest frequency in the hash table.
To find length of linked list in single iteration, use two pointers and traverse the list until the end.
Use two pointers, one moving one node at a time and the other moving two nodes at a time.
Traverse the list until the end is reached.
The number of iterations taken by the faster pointer to reach the end is the length of the linked list.
I applied via Naukri.com and was interviewed in May 2021. There were 4 interview rounds.
I applied via Referral and was interviewed before Mar 2020. There were 3 interview rounds.
C++ coding question with UML diagram
based on 1 interview
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