Calsoft Software Development Engineer Interview Questions and Answers

It was moderate. Easy to crack . Not too hard

Q1. Data structure related
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Q1. Questions about OOPS , core Java and springboot
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Q2. Asked basic core Java code
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Q3. Questions on collection framework
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Q4. Questions on arrays
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Basic Java code and asked to write SQL query

Q1. Difference between Mutable and Immutable types
Ans. 
Mutable types can be changed after creation, while immutable types cannot be changed.
• Mutable types include lists, dictionaries, and sets.

• Immutable types include strings, tuples, and frozensets.

• Changing a mutable type can have unintended consequences, while immutable types are safer to use.

• Immutable types are often used for keys in dictionaries or as function arguments to prevent unintended changes.
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Q2. List comprehension and Dict Comprehension
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Q1. Experience in projects and work done
Ans. 
I have worked on various projects, including developing web applications and implementing machine learning algorithms.
• Developed a web application using React and Node.js for a startup company

• Implemented a machine learning algorithm for predicting customer churn in a telecom company

• Worked on a project for automating data extraction and analysis using Python and SQL

• Collaborated with a team to develop a mobile app for a n
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Q2. Problem solving skill questions
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