Infosys Software Development Engineer Interview Questions and Answers

Q1. Can you please introduce yourself?
Ans. 
I am a Software Development Engineer with 5 years of experience in developing web applications using Java, Spring, and Angular.
• 5 years of experience in software development

• Proficient in Java, Spring, and Angular

• Strong problem-solving skills

• Experience in developing web applications

• Good team player
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Q2. What type of questions are being asked?
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Verbal, reasoning,aptitude

Q1. MCQs related to CS
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2Coding questions and it was moderate level

Game based reasoning

2 codes are given we have to solve them in python and 2 SQL queries are given we have to solve them and finally we should develop a website using HTML, CSS and js

General knowledge based like Ai

In aptitude que and if it's clear so 2 coding que

Q1. Difference between linklist and arraylist
Ans. 
LinkedList is a data structure where elements are linked using pointers, while ArrayList is a resizable array implementation.
• LinkedList uses nodes with pointers to the next element, allowing for efficient insertions and deletions.

• ArrayList uses a dynamic array to store elements, providing fast random access but slower insertions and deletions.

• LinkedList is better for frequent insertions and deletions, while ArrayList i...read more
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Q2. Reverse string program of java
Ans. 
Java program to reverse a string
• Use StringBuilder class to reverse the string

• Convert the string to a StringBuilder object, call reverse() method, then convert back to string

• Alternatively, use a loop to iterate through the characters of the string in reverse order
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Q1. Find largest element in sorted rotated array.
Ans. 
Find largest element in sorted rotated array
• Start by finding the pivot element in the rotated array

• Compare the element at pivot index with the first element to determine which half to search

• Perform binary search in the appropriate half to find the largest element
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Q2. I was great interview, Interviewer was very friendly, I was able to answer the question correctly.
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Q3. Java basics questions.
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They provide topic - for me 70 hour work week

40-50 minutes, they asked simple DSA problem ,some project related questions.

Q1. In this round they asked questions full stack developer related. They are also asked questions about my full stack project.
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