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HCLTech
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Collection framework is a unified architecture for representing and manipulating collections of objects.
Provides interfaces (List, Set, Map) and classes (ArrayList, HashSet, HashMap) for storing and manipulating groups of objects
Offers algorithms for searching, sorting, and manipulating collections
Promotes code reusability and efficiency in handling collections
A program to count the number of characters in a given string.
Iterate through each character in the string and increment a counter for each character encountered.
Use a hashmap to store the count of each character for efficient counting.
Handle edge cases such as empty string or null input.
I applied via Naukri.com and was interviewed before Mar 2022. There were 2 interview rounds.
I applied via Naukri.com and was interviewed before Apr 2021. There were 2 interview rounds.
I appeared for an interview in May 2017.
I appeared for an interview in Jun 2016.
based on 3 interviews
Interview experience
based on 5 reviews
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