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I was interviewed in Dec 2024.
1. String input="aaabccccbbbdd";
Find how many a, b, c, d are there in the string. Did using java streams.
2.HashMap
hm.put(55,"B");
hm.put(33,"Z");
hm.put(44,"M");
hm.put(99,"I");
hm.put(88,"X");
Sort this hashmap based on values(B, I, M, X, Z). Should be done using java streams.
3.List lists = Arrays.asList(Arrays.asList(1,2,3), Arrays.asList(2,3,4,5), Arrays.asList(5,7,8));
Question was wrong actually. But expectation is to do flatmap and print without duplicates.
Query:
get 3rd highest salary from employee table
Top trending discussions
I applied via Recruitment Consulltant and was interviewed in May 2024. There were 2 interview rounds.
Lookup is used to perform a left outer join in MongoDB, while graphlookup is used to perform recursive graph traversal.
Lookup is used to perform a left outer join between two collections in MongoDB.
Graphlookup is used to perform recursive graph traversal in a collection that contains graph data.
Lookup can only perform a single level join, while graphlookup can perform multiple levels of traversal.
Lookup is faster than
Use a hashmap to count the frequency of each character in a string.
Create a hashmap to store characters as keys and their frequencies as values.
Iterate through the string and update the hashmap accordingly.
Return the hashmap with character frequencies.
Creating a REST API from controller to repository using NOTEPAD
Create a controller class with mapping annotations for REST endpoints
Implement service layer to handle business logic and interact with repository
Define repository interface with methods for data access operations
Use Spring Boot for easy setup and configuration
Test API endpoints using tools like Postman
posted on 10 Feb 2024
I applied via Recruitment Consulltant and was interviewed in Jan 2024. There were 3 interview rounds.
Paper Test MCQs(Hibernate, Multithreading, Quantative Apptitute, Logical Reasoning,English Grammer check)
I applied via Naukri.com and was interviewed in May 2024. There were 2 interview rounds.
I applied via campus placement at G L Bajaj Institute of Technology & Management, Greater Noida and was interviewed in Oct 2024. There were 3 interview rounds.
They asked some general Quantitative and logical questions and code snippets.
I applied via Job Portal and was interviewed in Sep 2024. There were 4 interview rounds.
2 DSA question was asked
40 questions in 20 minutes
Generate all possible permutations of an array of strings
Use recursion to generate permutations
Swap elements to create different permutations
Base case: when array size is 1, return array as permutation
posted on 25 Jul 2024
It was easy, the topic is upi
Aptitude + coding Test
posted on 19 Sep 2024
I applied via Job Portal
60mintues DSA level coding exam
posted on 1 Apr 2024
I was interviewed in Oct 2023.
List is an ordered collection of elements, while map is a collection of key-value pairs.
List maintains the order of elements, while map does not guarantee any specific order.
List allows duplicate elements, while map does not allow duplicate keys.
In a list, elements are accessed by their index, while in a map, elements are accessed by their keys.
I applied via Recruitment Consulltant and was interviewed in May 2024. There were 2 interview rounds.
Lookup is used to perform a left outer join in MongoDB, while graphlookup is used to perform recursive graph traversal.
Lookup is used to perform a left outer join between two collections in MongoDB.
Graphlookup is used to perform recursive graph traversal in a collection that contains graph data.
Lookup can only perform a single level join, while graphlookup can perform multiple levels of traversal.
Lookup is faster than
Use a hashmap to count the frequency of each character in a string.
Create a hashmap to store characters as keys and their frequencies as values.
Iterate through the string and update the hashmap accordingly.
Return the hashmap with character frequencies.
Creating a REST API from controller to repository using NOTEPAD
Create a controller class with mapping annotations for REST endpoints
Implement service layer to handle business logic and interact with repository
Define repository interface with methods for data access operations
Use Spring Boot for easy setup and configuration
Test API endpoints using tools like Postman
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