ZEE5 Software Engineer III Interview Questions and Answers

Basic OOP questions for python programming language

Q1. What's abstraction
Ans. 
Abstraction is the concept of hiding complex implementation details and showing only the necessary information to the user.
• Abstraction allows users to focus on what an object does instead of how it does it

• It helps in reducing complexity and improving efficiency in software development

• Example: In object-oriented programming, abstract classes and interfaces are used to achieve abstraction
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Q2. What's the difference between SQL and NoSQL database
Ans. 
SQL databases are relational databases with structured data, while NoSQL databases are non-relational databases with flexible, unstructured data.
• SQL databases use structured query language for defining and manipulating data, while NoSQL databases use different query languages or APIs.

• SQL databases are table-based, with a predefined schema, while NoSQL databases are document, key-value, wide-column, or graph-based.

• SQL d...read more
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Q1. Reverse a linked list
Ans. 
Reverse a linked list by changing the direction of pointers
• Start with three pointers: current, prev, and next

• Iterate through the linked list, updating pointers to reverse the direction

• Update the head of the linked list to the last node after reversing
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Q2. Implement binary search algorithm
Ans. 
Binary search algorithm efficiently finds the target value in a sorted array.
• Start by defining the low and high indices of the array.

• Calculate the mid index and compare the target value with the value at mid.

• If target is less than mid value, update high to mid-1; if greater, update low to mid+1.

• Repeat until target is found or low is greater than high.
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Q1. Brief Introduction and basic questions
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Q2. Future plans and how am i going to achieve them
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Q1. Questions from Resume and projects
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Q2. A coding question where high rank and low rank officers were given in an array in which number 1-8 represents high rank officers and apart from that there was a single integer which represents low rank off...read more
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Q1. Basics of sql and some coding questions
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Q2. Data structures
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Q1. Putin arrays strings
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Q1. Merge sorted arrays
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Q1. Checking cache using python
Ans. 
Use Python's built-in 'functools' module to check cache for function results.
• Import 'functools' module

• Use 'lru_cache' decorator to cache function results

• Specify 'maxsize' parameter to limit cache size

• Use 'cache_info()' method to get cache statistics
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Q1. It was good and easy
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Q1. Its all about package discussion
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Q1. Simple Java and SQL Trick Questions
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Q1. Senior Manager Round, project experience details
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They will give javascript coding(based on your role)question we need to solve and submit the solution

Q1. Asked basic js questions and some logical questions
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Aptitude

Q1. Oops , python , dbms
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Q1. Why should we hire you?
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Q2. Why are you looking for a change?
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Q3. Where do you see yourself in 5 years?
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Q4. What are your strengths and weaknesses?
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Q5. Tell me about yourself.
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Q6. Ready to relocate yourself
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