BSG ITSoft Senior Software Developer Interview Questions and Answers

Q1. What is Dependency injection
Ans. 
Dependency injection is a design pattern in which components are given their dependencies rather than creating them internally.
• Dependency injection helps in achieving loose coupling between classes.

• It allows for easier testing by providing mock dependencies.

• There are three types of dependency injection: constructor injection, setter injection, and interface injection.
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Q1. Reverse given array
Ans. 
Reverse an array of strings
• Use a loop to iterate through the array and swap elements from start to end

• Alternatively, you can use built-in array methods like reverse()

• Ensure to handle edge cases like empty array or array with only one element
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DSA leetcode on hackerrank

Q1. How to design apis
Ans. 
Designing APIs involves defining endpoints, request/response formats, authentication, versioning, and documentation.
• Define clear and consistent endpoints for different functionalities

• Design request and response formats that are easy to understand and work with

• Implement authentication mechanisms to secure the API

• Consider versioning to support backward compatibility

• Provide comprehensive documentation for developers to ea
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Q2. How to structure databases for data collection
Ans. 
Structure databases by identifying data entities, relationships, and attributes.
• Identify data entities (e.g. customers, products) and their attributes

• Define relationships between entities (e.g. one-to-many, many-to-many)

• Normalize data to reduce redundancy and improve data integrity

• Use primary keys to uniquely identify each record

• Consider indexing for faster data retrieval
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Q1. In detail questions related to the exp
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Q2. In detail hr related question
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Q1. Difference between View and materialized view and related follow up questions 2. Difference between Procedure and Function 3. Write a SQL query for print the last date of month . 4. Write a Procedure and...read more
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Q1. Design zepto delivery system .
Ans. 
Design a zepto delivery system for efficient and fast delivery of small packages.
• Utilize drones for quick and efficient delivery

• Implement a centralized hub for package sorting and distribution

• Use GPS tracking for real-time package monitoring

• Optimize routes for faster delivery times

• Ensure secure and reliable delivery process
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Q1. Implement stack using two queue
Ans. 
Implement a stack using two queues
• Use two queues to simulate stack operations

• Push operation: Enqueue the element to queue1

• Pop operation: Dequeue all elements from queue1 to queue2, dequeue the last element from queue1, then swap the queues

• Top operation: Dequeue all elements from queue1 to queue2, dequeue the last element from queue1, then swap the queues without dequeuing the element

• Empty operation: Check if both queue
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Q2. Discuss your previous company projects
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Q3. Basic oops concept
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Pen paper test with 5 mcq and 3 coding questions mostly on array sorting etc

Q1. Write a code for concatenation of two arrays without using Math function
Ans. 
Concatenate two arrays without using Math function
• Create a new array with the combined length of the two input arrays

• Iterate through the first array and copy elements to the new array

• Continue iterating through the second array and copy elements to the new array
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Q1. I am freshers soo please one chance for your company
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Q2. Yes I am fresher soo for your company work
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Q3. Talk about a range of elements, including customer service.
Ans. 
Customer service is an essential element in software development.
• Customer service involves providing support and assistance to users of software applications.

• It includes addressing user queries, resolving issues, and ensuring customer satisfaction.

• Software developers may interact with customers through various channels like email, phone, or live chat.

• Good customer service can lead to positive user experiences and incre...read more
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