Add office photos
EPAM Systems logo
Employer?
Claim Account for FREE

EPAM Systems

3.7
based on 1.4k Reviews
Filter interviews by
Software Developer
Clear (1)

10+ EPAM Systems Software Developer Interview Questions and Answers

Updated 26 Dec 2024

Q1. Program to check if a sentence has all the alphabet with optimized complexity.

Ans.

Use a boolean array to track presence of each alphabet in the sentence.

  • Create a boolean array of size 26 to track presence of each alphabet.

  • Iterate through the sentence and mark the corresponding index in the array as true.

  • Check if all elements in the array are true to determine if sentence has all alphabets.

Add your answer
right arrow

Q2. Detail implementation of arrayList and link List. Exception vs RunTime exception while creating your own customised class. Executors copy/write array java8 coding question using streams.

Ans.

Explanation of arrayList, link List, Exception vs RunTime exception, Executors, copy/write array, and Java8 coding question using streams.

  • ArrayList and LinkedList are both implementations of the List interface in Java. ArrayList uses a dynamic array to store elements, while LinkedList uses a doubly linked list.

  • Exceptions are checked at compile time, while RuntimeExceptions are unchecked and occur at runtime. Custom classes can throw both types of exceptions.

  • Executors in Java ...read more

Add your answer
right arrow

Q3. What is the latest version of java?

Ans.

The latest version of Java is Java 17.

  • Java 17 was released on September 14, 2021.

  • It comes with new features like sealed classes, pattern matching for switch statements, and more.

  • It also includes performance improvements and security updates.

Add your answer
right arrow

Q4. Sort the array of strings in the lexicographical and length-wise

Ans.

Sort array of strings lexicographically and by length

  • Use built-in sorting functions in programming languages like sort() in Python or Arrays.sort() in Java

  • For lexicographical sorting, use default comparison function

  • For length-wise sorting, create a custom comparison function based on string length

Add your answer
right arrow
Discover EPAM Systems interview dos and don'ts from real experiences

Q5. what is call apply bind in JS?

Ans.

call, apply, and bind are methods in JavaScript used to manipulate the context of a function.

  • call - calls a function with a given 'this' value and arguments provided individually.

  • apply - calls a function with a given 'this' value and arguments provided as an array.

  • bind - creates a new function that, when called, has its 'this' keyword set to the provided value.

Add your answer
right arrow

Q6. tell me about the oops concepts

Ans.

Object-oriented programming concepts that focus on classes and objects

  • Encapsulation: Bundling data and methods that operate on the data into a single unit (class)

  • Inheritance: Ability of a class to inherit properties and behavior from another class

  • Polymorphism: Ability to present the same interface for different data types

  • Abstraction: Hiding the complex implementation details and showing only the necessary features

Add your answer
right arrow
Are these interview questions helpful?

Q7. Company policies and locations.

Ans.

Company policies and locations

  • Our company has strict policies regarding data privacy and security

  • We have multiple locations across the country and internationally

  • Each location has its own set of policies and procedures

  • Employees are expected to adhere to all company policies regardless of location

Add your answer
right arrow

Q8. what do springboot do?

Ans.

Spring Boot is a Java-based framework used for creating standalone, production-grade Spring-based Applications.

  • Spring Boot simplifies the process of creating Spring applications by providing a set of default configurations.

  • It allows developers to quickly set up and run standalone Spring applications.

  • Spring Boot includes embedded servers like Tomcat, Jetty, or Undertow, making it easy to deploy applications.

  • It provides production-ready features such as metrics, health checks, ...read more

Add your answer
right arrow
Share interview questions and help millions of jobseekers 🌟
man with laptop

Q9. in a array move zeros to end

Ans.

Move all zeros in an array of strings to the end.

  • Iterate through the array and keep track of the count of zeros encountered.

  • Remove each zero encountered and append it to the end of the array.

  • Continue this process until all zeros are moved to the end.

Add your answer
right arrow

Q10. Flattern of array

Ans.

Flatten an array of strings into a single string

  • Use the flatMap method to concatenate all strings in the array

  • Alternatively, use the reduce method to combine all strings into one

  • Ensure to handle any nested arrays within the main array

Add your answer
right arrow

Q11. Design problems

Ans.

Design problems involve creating solutions to complex issues in software development.

  • Identify the problem and its requirements

  • Break down the problem into smaller components

  • Design a solution using appropriate algorithms and data structures

  • Consider scalability, efficiency, and maintainability

  • Test and iterate on the design to ensure it meets the requirements

Add your answer
right arrow
Contribute & help others!
Write a review
Write a review
Share interview
Share interview
Contribute salary
Contribute salary
Add office photos
Add office photos

Interview Process at EPAM Systems Software Developer

based on 19 interviews
4 Interview rounds
Technical Round - 1
Technical Round - 2
Technical Round - 3
Technical Round - 4
View more
interview tips and stories logo
Interview Tips & Stories
Ace your next interview with expert advice and inspiring stories

Top Software Developer Interview Questions from Similar Companies

Walmart Logo
3.8
 • 40 Interview Questions
Mobikwik Logo
3.7
 • 17 Interview Questions
View all
Recently Viewed
INTERVIEWS
Bajaj Consumer Care
No Interviews
INTERVIEWS
Simform
No Interviews
INTERVIEWS
Kantar Analytics Practice
No Interviews
INTERVIEWS
Kantar Analytics Practice
No Interviews
INTERVIEWS
Kantar Analytics Practice
No Interviews
INTERVIEWS
Bajaj Consumer Care
No Interviews
INTERVIEWS
Bajaj Consumer Care
No Interviews
INTERVIEWS
Genus Power Infrastructures
No Interviews
INTERVIEWS
Genus Power Infrastructures
No Interviews
INTERVIEWS
Bajaj Consumer Care
5.6k top interview questions
Share an Interview
Stay ahead in your career. Get AmbitionBox app
play-icon
play-icon
qr-code
Helping over 1 Crore job seekers every month in choosing their right fit company
75 Lakh+

Reviews

5 Lakh+

Interviews

4 Crore+

Salaries

1 Cr+

Users/Month

Contribute to help millions

Made with ❤️ in India. Trademarks belong to their respective owners. All rights reserved © 2024 Info Edge (India) Ltd.

Follow us
  • Youtube
  • Instagram
  • LinkedIn
  • Facebook
  • Twitter