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Cogent E Services SDE Interview Questions and Answers
Cogent E Services SDE Interview Experiences
1 interview found
Anonymous
Selected
I applied via Newspaper Ad and was interviewed in Oct 2023. There was 1 interview round.
(2 Questions)
- Q1. Basic JS and Node js Question
- Q2. React question and Express js question
Interview questions from similar companies
Interview Questionnaire
1 Question
- Q1. Introduction And Overview of Company
- Ans. First introduced yourself with a little smile and before any interview go through the JD of the company, this will help you more. And one more thing that search about the interviewers who is going to take your interview.
Quantitative and Verbal
2 Questions - DSA (Array and Numbers)
(1 Question)
- Q1. Projects mentioned in the resume and technical skills
Easy to medium test was easily solvable
I applied via LinkedIn and was interviewed in May 2024. There were 3 interview rounds.
Lit bit tougher as a beginner for quants like aptitude, verbal, and reasoning.
They given 40 min for coding and , topics are below linked list , stacks
They given 30 min for coding in topics of linked list , stacks
Interview Preparation Tips
(1 Question)
- Q1. Reverse a linked list
- Ans.
Reverse a linked list by changing the next pointers of each node to point to the previous node.
Start with three pointers: current, prev, and next.
Iterate through the linked list, updating the next pointer of each node to point to the previous node.
Update prev to current and current to next in each iteration.
Skills evaluated in this interview
Viren Punjabi
I applied via Campus Placement and was interviewed in Mar 2024. There were 2 interview rounds.
Linked list and trees
(2 Questions)
- Q1. What is arraylist
- Ans.
ArrayList is a dynamic array in Java that can grow or shrink in size as needed.
ArrayList is a class in Java that implements the List interface.
It allows for dynamic resizing of the array, unlike regular arrays.
Elements can be added, removed, or accessed by index.
Example: ArrayList
names = new ArrayList ();
- Q2. What is oops conecepts
- Ans.
Object-oriented programming concepts focus on creating objects that interact with each other to accomplish tasks.
Encapsulation: Bundling data and methods that operate on the data into a single unit (object)
Inheritance: Allowing a class to inherit properties and behavior from another class
Polymorphism: Objects of different classes can be treated as objects of a common superclass
Abstraction: Hiding complex implementation
Skills evaluated in this interview
Selected
I applied via LinkedIn and was interviewed in Jul 2024. There were 4 interview rounds.
Aptitude test is to easy
Coding test easy too good
(4 Questions)
- Q1. Nice aske for loop
- Q2. Array question nice
- Q3. Asked about hobbies
- Q4. Asked about where you see yourself in 5 years
(1 Question)
- Q1. Asked about background
Piyush Bhati
I applied via LinkedIn and was interviewed in Feb 2024. There was 1 interview round.
(2 Questions)
- Q1. Tell me about your self
- Ans.
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
- Q2. What is annotation in spring boot
- Ans.
Annotations in Spring Boot are used to provide metadata about the application's components, helping Spring to understand how to manage them.
Annotations are used to configure Spring Boot components such as controllers, services, repositories, etc.
Annotations help Spring Boot to automatically detect and configure beans based on the annotations used.
Examples of annotations in Spring Boot include @RestController, @Service,
Interview Preparation Tips
Skills evaluated in this interview
Vignesh Illi
Easy if u have basic dsa
Basic Questions on strings
(2 Questions)
- Q1. Tell about yourself
- Q2. Why should i hire u
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Cogent E Services SDE Interview Process
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