SmartQ - Bottle Lab Technologies Senior Executive Operations Interview Questions and Answers

Q1. How to reverse two numbers without using temp variable
Ans. 
To reverse two numbers without using a temp variable, use bitwise XOR operation.
• Use bitwise XOR operation to swap two numbers without using a temp variable.

• Example: a = 5, b = 7. a = a XOR b, b = a XOR b, a = a XOR b. After this, a = 7, b = 5.
Answered by AI
Add your answer

Q1. Why do you want to join Thermo Fisher
Ans. 
I want to join Thermo Fisher because of their reputation for innovation and impact in the scientific community.
• Thermo Fisher is a leader in the scientific research and healthcare industry

• I am impressed by their commitment to innovation and cutting-edge technology

• I believe working at Thermo Fisher will provide me with opportunities for professional growth and development
Answered by AI
Add your answer

Q1. Self Introduction, explain about your projects
Ans. 
I am a software engineer with experience in developing web applications using Java, Spring Boot, and Angular.
• Developed a web application for a retail company using Java and Spring Boot

• Implemented RESTful APIs for communication between frontend and backend

• Designed and developed user interfaces using Angular framework
Answered by AI
Add your answer
Q2. Rotate an array n times with a O(1) time complexity
Ans. 
Use modular arithmetic to efficiently rotate array n times.
• Use modular arithmetic to calculate the effective number of rotations (n % array length)

• Reverse the entire array

• Reverse the first n elements

• Reverse the remaining elements
Answered by AI
Add your answer

Q1. Self Introduction
Add your answer
Q2. What do you know about the company
Ans. 
The company is a leading software development firm specializing in creating innovative solutions for various industries.
• Specializes in creating innovative software solutions

• Works with clients from various industries

• Known for high-quality and reliable products

• Has a strong team of software engineers and developers
Answered by AI
Add your answer

Q1. Tell me about yourself
Add your answer
Q2. Core java questions. Just basic ones
Add your answer
Q3. Spring boot . Annoations like @RestController @SpringBootApplication etc.
Add your answer
Q4. Count occurences of words in a string
Ans. 
Count the occurrences of words in a string.
• Split the string into words using whitespace as a delimiter.

• Create a dictionary to store the word count.

• Iterate through the words and increment the count in the dictionary.

• Return the dictionary.
Answered by AI
Add your answer

Q1. Basic discussion about project
Add your answer
Q2. What are the positives and negatives of microservice architecture
Ans. 
Microservice architecture offers flexibility and scalability but also adds complexity and requires careful management.
• Positives: flexibility, scalability, fault isolation, independent deployment, technology diversity

• Negatives: increased complexity, higher operational overhead, potential for communication issues, requires careful management

• Example: Netflix uses microservices to handle millions of users and provide perso...read more
Answered by AI
Add your answer

Aptitude questions were asked. Online test

Q1. Oops concepts and basic programming questions were asked
Add your answer

Q1. Tell us about the company
Add your answer

The test was simple. Logically reasoning and some speed and time related questions

Q1. I was a fresher so asked about my branch and then asked me to code in microprocessor and controller
Add your answer
Q2. Add two numbers using microprocessor.
Ans. 
To add two numbers using a microprocessor, perform arithmetic operations using the microprocessor's instruction set.
• Load the two numbers into registers

• Use the microprocessor's addition instruction to add the numbers

• Store the result in a register or memory location
Answered by AI
Add your answer

Q1. Salary discussion briefed about the company and its benefits
Add your answer

Quantitative questions

Q1. Questions about roles in projects at college
Add your answer

Q1. Pattern type logical
Add your answer

Aptitude test was taken firstly and then gd and tech and hr

Gd was overall easy one after that tech and hr in campus placement