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Interview questions from similar companies
Monu Singh Yadav
Very impressive able to solve 100 coding questions within 10 mins
(2 Questions)
- Q1. Find min in array
- Ans.
Find the minimum string in an array of strings.
Iterate through the array and compare each string to find the minimum.
Use a built-in function like sort() to sort the array and then return the first element.
Consider using a loop to compare each element with the current minimum.
- Q2. Find max in array
- Ans.
Find the maximum value in an array of strings.
Convert the strings to numbers if needed before finding the maximum value.
Use a loop to iterate through the array and compare each element to find the maximum value.
Skills evaluated in this interview
Anonymous
Selected
I applied via Campus Placement and was interviewed before Apr 2023. There were 2 interview rounds.
(1 Question)
- Q1. Basic array question
(1 Question)
- Q1. Find the first circular tour that visits all petrol pumps
- Ans.
The first circular tour that visits all petrol pumps can be found using the concept of a circular linked list.
Create a circular linked list with each node representing a petrol pump
Calculate the difference between petrol available at each pump and the distance to the next pump
Start from a pump where the sum of differences is positive and traverse the circular linked list until completing the tour
Skills evaluated in this interview
Aditi goel
Selected
I applied via Campus Placement and was interviewed before Oct 2023. There were 3 interview rounds.
First round was a aptitude test of 25 question
(2 Questions)
- Q1. Oops concept in java
- Ans.
Oops concept in Java refers to Object-Oriented Programming principles like inheritance, encapsulation, polymorphism, and abstraction.
Inheritance allows a class to inherit properties and behavior from another class.
Encapsulation involves bundling data and methods that operate on the data into a single unit.
Polymorphism allows objects to be treated as instances of their parent class.
Abstraction hides the implementation d...
- Q2. Basic multi threading questions
(2 Questions)
- Q1. Code to make a pattern and explain each and every line of code
- Ans.
Code to create a pattern and explain each line of code
Start by defining the number of rows and columns in the pattern
Use nested loops to iterate through each row and column
Decide the pattern you want to create and use conditional statements to determine the output for each position
- Q2. Puzzle: In how many minimum cut u can cut a cake in 8 piece
Skills evaluated in this interview
(2 Questions)
- Q1. Knowledge of financials
- Q2. Knowledge of ratings
(2 Questions)
- Q1. Reason for move from current
- Q2. Career ambitions in the domain
Selected
I applied via Recruitment Consulltant and was interviewed before May 2022. There were 3 interview rounds.
(2 Questions)
- Q1. SAP basis and database (oracle) question
- Q2. IT Network related question
(1 Question)
- Q1. Personal detail,salary negotiations and documents verification
Interview Preparation Tips
Selected
I applied via Recruitment Consulltant and was interviewed in Dec 2023. There was 1 interview round.
(4 Questions)
- Q1. Basic SQL question.
- Q2. Order of execution
- Ans.
The order of execution refers to the sequence in which instructions or operations are executed in a program.
The order of execution is determined by the programming language and the specific code being executed.
Generally, code is executed line by line from top to bottom.
However, there are exceptions such as loops, conditionals, and function calls that can alter the order of execution.
In some programming languages, there...
- Q3. Window functions
- Q4. Aggregate functions
Skills evaluated in this interview
(2 Questions)
- Q1. Level order tree traversal
- Q2. Find the pair element from the array
- Ans.
Find the pair element from the array
Iterate through the array and use a hashmap to store elements and their counts
Check if the current element's complement exists in the hashmap
Return the pair if found, otherwise return null
Skills evaluated in this interview
Selected
I applied via Campus Placement and was interviewed before Jan 2024. There was 1 interview round.
We had an aptitude test which involved 60 questions in 15 minutes. Of course, no one can solve this fast, but it was about the hit rate / accuracy and volume. Subsequent followed with two guesstimate based rounds and final as HR round which involved asking about college projects, extra curricular experiences and so on.
I applied via Campus Placement and was interviewed in Jul 2020. There were 4 interview rounds.
Interview Questionnaire
3 Questions
- Q1. Mostly questions were asked from sql,joins were more focussed
- Q2. Puzzle mostly from gfg were asked involving analytics skills
- Q3. Guesstimates could also be asked.
Interview Preparation Tips
I applied via Recruitment Consultant and was interviewed in May 2021. There were 4 interview rounds.
Interview Questionnaire
10 Questions
- Q1. First-round was an online test on hacker rank. There were 4 questions related to the array, string, and tree.
- Q2. Create an immutable class.
- Ans.
An immutable class is a class whose instances cannot be modified after creation.
Make all fields private and final
Don't provide any setter methods
Ensure that any mutable objects passed to the constructor are defensively copied
Make the class final so that it cannot be subclassed
- Q3. Create a Singelton pattern.
- Ans.
Singleton pattern ensures only one instance of a class is created and provides a global point of access to it.
Create a private constructor to prevent direct instantiation of the class.
Create a private static instance of the class.
Create a public static method to access the instance, and create the instance if it doesn't exist.
Ensure thread safety by using synchronized keyword or double-checked locking.
- Q4. Difference between Vector and ArrayList.
- Ans.
Vector is synchronized and ArrayList is not. Vector is thread-safe and ArrayList is not.
Vector is a legacy class and ArrayList is a part of the Java Collection Framework.
Vector is synchronized which means only one thread can access it at a time, while ArrayList is not.
Vector is thread-safe which means it can be used in a multi-threaded environment, while ArrayList is not.
Vector is slower than ArrayList because of synch...
- Q5. Create Linked List without using the internal library and provide the functionality of add delete find.
- Ans.
Create Linked List without using internal library and provide add, delete, find functionality.
Create a Node class with data and next pointer
Create a LinkedList class with head pointer and methods to add, delete, and find nodes
Use a loop to traverse the list and perform operations
Handle edge cases such as adding to an empty list or deleting the head node
- Q6. One question was related to binary search.
- Q7. Few more questions related to java.
- Q8. The architecture of the current system.
- Ans.
The current system follows a microservices architecture.
The system is divided into multiple independent services.
Each service has its own database and communicates with other services through APIs.
The architecture allows for scalability and flexibility.
Examples of microservices used in the system include user authentication, payment processing, and inventory management.
- Q9. Find the total no of the island in a 2d matrix. Working code was required.
- Ans.
Find the total no of islands in a 2D matrix.
Use DFS or BFS to traverse the matrix.
Mark visited cells to avoid repetition.
Count the number of islands found.
- Q10. Find loop in a linked list.
- Ans.
Loop detection in a linked list.
Use two pointers, one moving at twice the speed of the other.
If there is a loop, the faster pointer will eventually catch up to the slower one.
If there is no loop, the faster pointer will reach the end of the list.
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Skills evaluated in this interview
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