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They will give you some random topics to talk to.check your communication.
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I applied via Campus Placement and was interviewed before Sep 2022. There were 3 interview rounds.
Question from aptitude , reasoning , technical question , game based question
2 question which are very easy based on data structure array , string some are on stack
I applied via Naukri.com and was interviewed before Jan 2023. There was 1 interview round.
TreeSet is a class in Java that implements the Set interface using a tree for storage.
TreeSet stores elements in sorted order based on their natural ordering or a custom Comparator.
It does not allow duplicate elements.
Operations like add, remove, and search have O(log n) time complexity.
Example: TreeSet
HashMap is a data structure that stores key-value pairs and allows for fast retrieval of values based on keys.
HashMap uses a hash function to map keys to indices in an array called buckets.
Collisions can occur when multiple keys hash to the same index, which is resolved using techniques like chaining or open addressing.
HashMap provides constant-time complexity O(1) for basic operations like get, put, and remove.
Example...
Use Spring Boot's multiple datasource configuration to work with 2 different databases
Define multiple datasource configurations in application.properties or application.yml
Create separate DataSource and JdbcTemplate beans for each database
Use @Primary annotation to specify the primary datasource
Use @Qualifier annotation to specify the secondary datasource
Inject the appropriate datasource in your repository classes
I applied via Naukri.com and was interviewed before Oct 2022. There were 2 interview rounds.
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