SmartQ - Bottle Lab Technologies Software Engineer Interview Questions and Answers

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

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
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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
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Q1. Salary discussion briefed about the company and its benefits
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Quantitative questions

Q1. Questions about roles in projects at college
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Q1. Pattern type logical
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Non technical and technical aptitude

Q1. They were asked oops concepts,sql,project related questions
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Q2. Basic oop concept
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Q3. Sql- different joins with example
Ans. 
Different types of SQL joins with examples
• Inner Join: Returns rows when there is a 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 Outer Join: Returns rows when there is a match in either table
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It's not really touf at the time while I was attending just go through the question you can automatically guess the right answer from the given choice

Q1. As I attended as a fresher they just asked me about my project in college days. Asked me to explain my project in block diagram
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Q2. Which technology you used to develop your project What have you used in front end
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Q3. You have mentioned you know so and so in your resume, brief about it
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Q4. Explain Oops concept
Ans. 
Oops concept is a programming paradigm that focuses on objects and their interactions to solve complex problems.
• Oops stands for Object-Oriented Programming

• It emphasizes the use of classes and objects

• Encapsulation, inheritance, and polymorphism are key principles of OOP

• Objects have properties (attributes) and behaviors (methods)

• Example: In a banking system, a class 'Account' can have attributes like account number and b
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Q1. What salary are you expecting
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Q1. Tell me about yourself
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Q2. Core java questions. Just basic ones
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Q3. Spring boot . Annoations like @RestController @SpringBootApplication etc.
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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.
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Q1. Basic discussion about project
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Q2. What are the positives and negatives of microservice architecture
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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
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