KGISL Associate Software Engineer Interview Questions and Answers

Q1. Java , collection , spring boot
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Q2. What is internal working of hashmap
Ans. 
HashMap is a data structure that stores key-value pairs and uses hashing to efficiently retrieve values.
• HashMap internally uses an array of linked lists to store key-value pairs.

• When a key-value pair is added, the key is hashed to determine the index in the array where it will be stored.

• If multiple keys hash to the same index, a linked list is used to handle collisions.

• To retrieve a value, the key is hashed again to fi...read more
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Q1. Spring security, oops , hibernate
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Q1. Difference between job and positions
Ans. 
A job refers to a specific task or set of tasks performed by an individual, while a position refers to a role or title within an organization.
• A job is temporary and can change frequently, while a position is more permanent and stable.

• A job can be specific to a project or assignment, while a position is typically broader and encompasses multiple tasks and responsibilities.

• A job can be held by multiple individuals at dif...read more
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Q2. Process of data migration
Ans. 
Data migration involves transferring data from one system to another while ensuring data integrity and minimal downtime.
• Identify the data to be migrated and its format

• Choose a migration method (manual or automated)

• Test the migration process on a small sample of data

• Perform the actual migration with proper backup and security measures

• Verify the migrated data for accuracy and completeness
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Aptitude and logical reasoning

String problem
basic java

Q1. Tell me about yourself
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Q2. Describe your passion
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Q3. Why should i hire you
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Q1. Bubble sort code
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Q2. 2nd max salary sql query
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Q3. Linked list implementation
Ans. 
Linked list is a data structure where each element points to the next element in the sequence.
• Nodes contain data and a reference to the next node

• Operations include insertion, deletion, and traversal

• Example: Singly linked list: 1 -> 2 -> 3 -> null
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Q1. Decorators and oops concepts
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Q1. College projects
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Q1. Almost Core Java and advanced Java Questions
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Basic Java Programming

Q1. Salary Negotiation
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