Airbase Senior Software Engineer Interview Questions and Answers

Q1. Design zepto delivery system .
Ans. 
Design a zepto delivery system for efficient and fast delivery of small packages.
• Utilize drones for quick and efficient delivery

• Implement a centralized hub for package sorting and distribution

• Use GPS tracking for real-time package monitoring

• Optimize routes for faster delivery times

• Ensure secure and reliable delivery process
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Q1. Difference between abstract class and interface?
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Q2. Explain OOP in C#?
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Q1. Create LLD Design for Movie Ticket Booking System(BookMyShow.com)
Ans. 
LLD Design for Movie Ticket Booking System(BookMyShow.com)
• Use case diagram to identify actors and their interactions

• Class diagram to represent entities like User, Movie, Theater, Booking

• Sequence diagram to show the flow of events during ticket booking process
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Q1. Core Java and J2EE basic questions
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Q1. Experience in previous companies and learnings
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Q1. Tell something about youself which is not included in your resume?
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Q2. What is your day to day life, and how many application you were using on daily basis
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Q3. What is inheritance with example?
Ans. 
Inheritance is a concept in object-oriented programming where a class inherits properties and behaviors from another class.
• Allows a class to inherit attributes and methods from another class

• Promotes code reusability and reduces redundancy

• Derived class can add its own attributes and methods or override existing ones

• Example: Class 'Animal' can be a base class with attributes like 'name' and methods like 'eat'. Class 'Dog...read more
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Q4. What is join and how many types of joins are available with example?
Ans. 
Join is used to combine rows from two or more tables based on a related column between them.
• Types of joins: Inner Join, Left Join, Right Join, Full Join

• Inner Join: Returns rows when there is at least one match in both tables

• Left Join: Returns all rows from the left table and the matched rows from the right table

• Right Join: Returns all rows from the right table and the matched rows from the left table

• Full Join: Returns
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Q1. Tell me about your experience in brief?
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Q2. Why you choose that background which was different from last organization
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Q3. What makes you to feel happy when you are on production floor
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Q4. What was your team size and how you were handling the agents?
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Q5. What is distinct
Ans. 
Distinct means unique or different from others.
• Distinct refers to something that is separate or individual

• It can also mean standing out or being easily recognizable

• In programming, distinct is often used in the context of removing duplicate elements from a list or array
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Q6. After 3 years if you will get a chance to serve as vice president what you will do?
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Coding test with 2 questions

Q1. System Design with LLD implementation
Ans. 
System design involves creating a high-level design of a software system, followed by implementing the detailed low-level design.
• Start by understanding the requirements and constraints of the system

• Create a high-level design that outlines the components and interactions of the system

• Implement the detailed low-level design, considering factors like scalability, performance, and maintainability

• Use tools like UML diagrams...read more
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Q1. System Design with HLD
Ans. 
System Design with HLD involves designing the high-level architecture of a software system.
• Understand the requirements and constraints of the system

• Identify the components and their interactions

• Consider scalability, reliability, and performance

• Use design patterns and best practices

• Create diagrams like UML or flowcharts to visualize the design
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Q1. Write a Program Nth term in a infinite series example: 2,4,8,2,4,8……..n…….infinite
Ans. 
Program to find the Nth term in an infinite series
• The series has a repeating pattern

• Use modulo operator to find the index of the repeating pattern

• Calculate the value of Nth term based on the pattern
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Q2. Write a Program identify Max length of a substring from a given string and also the substring should be palindrome
Ans. 
Program to find the longest palindrome substring in a given string.
• Iterate through the string and check for palindromes of different lengths

• Store the longest palindrome found

• Return the length and substring
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Q3. What is your comfort level on HTML, CSS and JavaScript
Ans. 
I am very comfortable with HTML, CSS and JavaScript.
• I have extensive experience in developing responsive web applications using HTML, CSS and JavaScript.

• I am proficient in using CSS preprocessors like SASS and LESS.

• I have worked with various JavaScript frameworks like React, Angular and Vue.js.

• I am familiar with HTML5 and CSS3 features like Flexbox and Grid layout.

• I am comfortable with debugging and troubleshooting iss
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Q4. What are reasons for your transitions in Career
Ans. 
Transitions were driven by desire for growth, new challenges, and better alignment with personal values.
• Desire for professional growth and development

• Seeking new challenges and opportunities

• Alignment with personal values and mission

• Exploring different industries and technologies

• Relocation for personal reasons
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Q5. Oracle EBS 12.1 and 12.2 Technical Architecture Differences
Ans. 
Differences between Oracle EBS 12.1 and 12.2 Technical Architecture
• 12.2 has a web-based interface while 12.1 has a client-server interface

• 12.2 has a multi-node architecture while 12.1 has a single-node architecture

• 12.2 has a more modular architecture with fewer dependencies

• 12.2 has a more streamlined upgrade process compared to 12.1
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Q6. What is your current role and how do you handle your daily tasks
Ans. 
I am currently working as a Senior Software Engineer and I handle my daily tasks by prioritizing them based on their importance and urgency.
• I start my day by checking my emails and responding to any urgent requests

• I then review my to-do list and prioritize my tasks for the day

• I break down complex tasks into smaller, more manageable ones

• I collaborate with my team members to ensure that we are all on the same page

• I use p...read more
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Q7. Tell me in detail step by step process for registering XML Publisher Report
Ans. 
The process for registering XML Publisher Report
• Create a data model for the report

• Create a template for the report using RTF or XSL-FO

• Upload the template to the server

• Create a report definition using the data model and template

• Register the report definition with the XML Publisher server
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Q8. Java Exceptions hierarchy(IOException then Exception Block , what error we get here)
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Q9. Write a Program to find a second max in the give list? and Time Complexity
Ans. 
Program to find second max in a list and its time complexity
• Sort the list in descending order and return the second element

• Traverse the list and keep track of the maximum and second maximum elements

• Time complexity: O(n)
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Q1. LRU Implementation
Ans. 
LRU (Least Recently Used) is a cache eviction policy where the least recently accessed items are removed first.
• LRU cache stores key-value pairs with a maximum capacity.

• When a new key-value pair is added, if the cache is full, the least recently used item is removed.

• When a key is accessed, it is moved to the front of the cache to indicate it was recently used.
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Q2. Sell and buy stock
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