Bluepi Consulting Senior Engineer Interview Questions and Answers for Experienced

Q1. What is jdk, string related questions, basic java oops questions?
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Some maths related questions

Q1. Related to testing
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4 Coding Questions Were Given.
Check Palindrome String
Longest Increasing Subsequence
Group Anagrams
Add Two Numbers(Linked List)

Questions were picked from leetcode but the restriction of not using any inbuild function made them difficult to solve in the given time frame.

Q1. Basic Java Technical Questions
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Q2. Throws Vs Throw
Ans. 
Throws is used for checked exceptions in Java, while throw is used to explicitly throw an exception.
• Throws is used in method signature to declare that the method may throw a checked exception.

• Throw is used to actually throw an exception in the code.

• Example: public void method() throws IOException { //code }

• Example: throw new IOException();
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Q3. Method Overriding Basics and Output-Based Questions
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Q4. Springboot annotations
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Q5. Inheritance and Concept of Abstract Classes and Interfaces
Ans. 
Inheritance allows a class to inherit properties and behaviors from another class. Abstract classes cannot be instantiated and can have abstract methods. Interfaces define a contract for classes to implement.
• Inheritance allows a class to inherit properties and behaviors from another class

• Abstract classes cannot be instantiated and can have abstract methods

• Interfaces define a contract for classes to implement
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Had to brief about myself, my technical skills and projects. Few Technical questions regarding the tech stack and casual discussion.

Q1. Oops concepts ?
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Q2. SQL queries related?
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General coding questions

30days training and project building

Q1. Prepare About Yourself
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Q1. ISO Knowledge required
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Coding test based on DSA question.

Q1. Project details
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Q2. Experience on caching
Ans. 
Experience with caching is essential for optimizing performance and reducing load on servers.
• Implemented caching mechanisms like Redis or Memcached to store frequently accessed data

• Utilized caching strategies like time-based expiration or invalidation to ensure data freshness

• Improved application performance by reducing database queries through caching

• Handled cache misses gracefully to avoid performance degradation

• Monit...read more
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Q3. Design game if cards and write a code to distribute cards and all other functions of cards game.
Ans. 
Design and code a card game with functions for distribution and gameplay.
• Design the game with a set of rules and objectives.

• Create a deck of cards with suits and values.

• Write a function to shuffle and distribute cards to players.

• Implement functions for gameplay actions like drawing, discarding, and scoring.

• Consider adding features like player turns, AI opponents, and win conditions.
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Q4. Some logical puzzle to test candidate analytical thinking
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Q1. Discussion with CEO
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Q2. How you handle difficult situations in software development?
Ans. 
I handle difficult situations in software development by staying calm, analyzing the problem, seeking input from team members, and finding creative solutions.
• Stay calm and composed under pressure

• Analyze the root cause of the problem

• Seek input and collaboration from team members

• Brainstorm and explore creative solutions

• Prioritize tasks and focus on resolving the issue efficiently
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