Bhawani Industries Production Engineer Interview Questions and Answers

Questions related to array strings.

Q1. What is java why we use java
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Java is a popular programming language known for its portability, security, and versatility.
• Java is used for developing a wide range of applications, from web applications to mobile apps.

• It is platform-independent, meaning it can run on any device that has a Java Virtual Machine (JVM).

• Java is known for its strong security features, making it a popular choice for enterprise applications.

• It is object-oriented, allowing f...read more
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Q2. Describe the java oops concept in detail
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Java OOPs concept focuses on creating objects that interact with each other to solve a problem.
• OOPs stands for Object-Oriented Programming

• Key concepts include classes, objects, inheritance, polymorphism, encapsulation

• Classes are blueprints for objects, objects are instances of classes

• Inheritance allows a class to inherit properties and behavior from another class

• Polymorphism allows objects of different classes to be tr...read more
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Q1. Introducing myself, past experience and skills
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Q2. How will you contribute here now
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Q1. Can you tell me about yourself?
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Q2. What motivates you to apply for this position?
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Q3. Do you have any questions for us?
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Discussion on the changes in tecehnology

Test followed by the questions and scenario based questions

Hacker Rank test with medium difficulty

Q1. Technical discussion mainly around system design, different architectures, problem solving and coding question may be asked.
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A case study for a problem statement

Q1. What is SQL? Mssql
Ans. 
SQL (Structured Query Language) is a standard language for managing and manipulating databases, including Microsoft SQL Server (MSSQL).
• SQL is used to retrieve and manipulate data in relational databases.

• MSSQL is a popular relational database management system that uses SQL.

• SQL queries are used to perform operations like selecting, updating, inserting, and deleting data.

• Example: SELECT * FROM table_name WHERE condition;
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There were 2 DSA questions that we had to solve on HackerRank. One of them was a medium dynamic programming question - minimum insertions required to make a string palindrome. The other was a fairly easy question that required knowledge of permutations and combinations. We just had to figure out a maths formula given the situation.
1st round also involved a logical game that we had to play. We were scored based on coding + game and shortlisted for next round.

An interviewer joined me on zoom meet and sent a HackerRank link to a question. It was a medium dynamic programming/backtracking question. I solved it but only half the test cases ran while others threw TLE as my recursive code took exponential time.

Q1. Explain what happens after you search a url on your browser. (Had to explain the whole DNS working)
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Q2. Explain how video calling works. (Had to explain the whole OSI model)
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Q3. Asked possible causes of ClassNotFoundException and MemoryOutOfBoundException
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Q4. Asked 2 or 3 case study questions like designing a car infotainment system.
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Q5. Asked about the usefulness of OOPS.
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Q6. Asked how Java code compiles/runs(had to explain about creation of class file, JVM etc)
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Q7. Asked about working of https.
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Q1. Explain few challenges that you faced during a project/internship.
Ans. 
During my internship, I faced challenges related to communication, time management, and technical skills.
• Communication challenges: Difficulty in effectively conveying ideas and understanding instructions.

• Time management challenges: Struggling to prioritize tasks and meet deadlines.

• Technical skills challenges: Learning new technologies and troubleshooting issues.

• Example for communication challenge: Working in a team whe...read more
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Q2. Where do you see yourself in 5 years?
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In 5 years, I see myself as a Senior Engineer, leading a team and working on complex projects.
• I envision myself taking on more responsibilities and leading a team of engineers.

• I hope to have gained expertise in my field and be recognized as a subject matter expert.

• I aim to work on challenging projects that require problem-solving and innovation.

• I plan to continue learning and staying updated with the latest technologie...read more
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Q3. Explain a project that you did
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Developed a mobile app for tracking daily water intake
• Used React Native framework for cross-platform development

• Implemented a user-friendly interface with intuitive design

• Integrated a database to store and retrieve user data

• Implemented push notifications to remind users to drink water

• Conducted testing and debugging to ensure app functionality
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Q4. Tell me about a conflict that you may have faced during a project/internship
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During my internship, I faced a conflict regarding the allocation of resources for a project.
• Conflict arose when team members disagreed on the distribution of resources.

• I suggested a fair and balanced approach to allocate resources based on individual strengths and project requirements.

• We held a team meeting to discuss and resolve the conflict.

• Through open communication and compromise, we reached a consensus on resourc...read more
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