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PayU Software Development Engineer Intern Interview Experience

Software Development Engineer Intern

PayU
June 10, 2025
7 Questions
Selected

Summary

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The PayU Software Developer Intern interview process featured a mix of technical questions across several rounds. Initially, candidates faced challenges related to Data Structures and Algorithms (DSA), including linked list manipulation and binary search. Following the DSA questions, there was a focus on Java programming concepts such as inheritance, garbage collection, and exception handling. Overall, the difficulty level was moderate, providing a thorough assessment of both software development principles and fundamental programming knowledge.

1

DSA

#1

Reverse a Singly Linked List

Explain and implement the pointer reversal approach for reversing a singly linked list.
Algorithm
Linked List
Pointers
Medium
#2

Implement Binary Search

Describe the divide-and-conquer approach used in binary search and provide an implementation in your chosen language.
Algorithm
Binary Search
Divide And Conquer
Medium
#3

Merge Two Linked Lists

Outline the steps needed to merge two linked lists that are sorted in ascending order.
Algorithm
Linked List
Merge
Medium
2

Java Programming

#1

Super Keyword in Inheritance

Explain the role of the super keyword in accessing properties of a parent class in Java inheritance.
Inheritance
Java
Super Keyword
Easy
#2

Improving Design with Abstraction

Discuss how abstraction can lead to cleaner and more scalable design in software development.
Java
Abstraction
Design Principles
Medium
#3

Garbage Collection and Memory Leaks in Java

Describe the garbage collection mechanism in Java and discuss common causes of memory leaks.
Java
Garbage Collection
Memory Management
Medium
#4

Checked vs. Unchecked Exceptions

Provide examples to differentiate between checked and unchecked exceptions in Java.
Java
Exceptions
Error Handling
Easy
DsaJava ProgrammingInterviewSoftware EngineerPayu
r

ritwik chakraborty

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