i
Compunnel
Filter interviews by
I applied via campus placement at G L Bajaj Institute of Technology & Management, Greater Noida and was interviewed in Jun 2021. There were 5 interview rounds.
BFS and DFS are traversal algorithms used in graphs and trees.
BFS stands for Breadth First Search and explores the graph level by level.
DFS stands for Depth First Search and explores the graph by going as deep as possible before backtracking.
BFS uses a queue data structure while DFS uses a stack or recursion.
BFS is useful for finding the shortest path while DFS is useful for finding all possible paths or cycles.
BFS has...
Joins in SQL are used to combine data from two or more tables based on a related column between them.
Joins are used to retrieve data from multiple tables in a single query.
There are different types of joins such as INNER JOIN, LEFT JOIN, RIGHT JOIN, and FULL OUTER JOIN.
The columns used to join the tables must have the same data type and name.
Example: SELECT * FROM table1 INNER JOIN table2 ON table1.column = table2.colu
Query to find second largest salary of an employee.
Use ORDER BY and LIMIT to sort and select the second highest salary.
Assuming table name as 'employees' and salary column name as 'salary'.
SELECT salary FROM employees ORDER BY salary DESC LIMIT 1,1;
Abstract class can have implementation while interface cannot. A class can implement multiple interfaces but can only inherit from one abstract class.
Abstract class can have constructors while interface cannot.
Abstract class can have non-abstract methods while interface can only have abstract methods.
Abstract class can have instance variables while interface cannot.
A class implementing an interface must implement all i...
Top trending discussions
Data structure was more and it was difficult round
I applied via Great learning and was interviewed in Oct 2024. There were 2 interview rounds.
Coding question, reasoning, english, math, very easy
I am a software engineer with 5 years of experience in developing web applications using Java, Spring Boot, and Angular.
5 years of experience in software development
Proficient in Java, Spring Boot, and Angular
Strong problem-solving skills
Experience working in Agile development environment
Passionate about learning new technologies
posted on 13 Dec 2024
I applied via Cuvette and was interviewed in Nov 2024. There were 4 interview rounds.
Aptitude questions followed by two coding questions.
Two coding questions followed by a discussion on projects.
Three coding questions and inquiries related to Data Structures and Algorithms (DSA), Object-Oriented Programming (OOP), and project-related topics.
Solely 2 coding question
Composition is a strong relationship where the child object does not exist independently of the parent object, while aggregation is a weak relationship where the child object can exist independently of the parent object.
Composition is a 'has-a' relationship, where the child object is part of the parent object.
Aggregation is a 'has-a' relationship, where the child object is not part of the parent object and can exist in...
I applied via Recruitment Consulltant and was interviewed in Sep 2024. There were 4 interview rounds.
5 sections in the aptitude
Live coding test about sql and python
I applied via Job Portal and was interviewed in Oct 2024. There was 1 interview round.
I applied via LinkedIn and was interviewed in Jun 2024. There were 2 interview rounds.
How to remove duplicates from an array
I applied via Approached by Company and was interviewed in Feb 2024. There was 1 interview round.
Use stream api to calculate sum of integers in a list.
Use stream() method on the list to create a stream of elements.
Use mapToInt() method to convert each element to an integer.
Use sum() method to calculate the sum of all integers.
Loop through both arrays and use a hashmap to store frequency of elements, then find the extra element.
Loop through both arrays and store frequency of elements in a hashmap
Compare the frequency of elements in both arrays to find the extra element
Return the extra element found in the second array
based on 7 reviews
Rating in categories
Senior Software Engineer
74
salaries
| ₹7.5 L/yr - ₹26 L/yr |
US Recruiter
56
salaries
| ₹2.4 L/yr - ₹5.8 L/yr |
US IT Recruiter
45
salaries
| ₹2.2 L/yr - ₹5.5 L/yr |
Accounts Manager
39
salaries
| ₹3.7 L/yr - ₹13.6 L/yr |
Technical Recruiter
38
salaries
| ₹1.8 L/yr - ₹6.6 L/yr |
Collabera Technologies
Allegis Group
Kelly Services
ManpowerGroup