MassMutual Full Stack Developer Interview Questions and Answers

Medium level interview experience

Q1. Good question but u need to think well
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Q1. Dependency injection
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Q2. What are oops concepts
Ans. 
Object-oriented programming concepts that focus on data encapsulation, inheritance, polymorphism, and abstraction.
• Encapsulation: bundling data and methods that operate on the data into a single unit (class)

• Inheritance: ability of a class to inherit properties and behavior from another class

• Polymorphism: ability to present the same interface for different data types

• Abstraction: hiding the complex implementation details
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Q1. Why do you want to switch
Ans. 
I want to switch to explore new technologies and challenges in a different industry.
• Interested in learning new skills and technologies

• Seeking new challenges and opportunities for growth

• Want to explore different industry perspectives
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Q2. Salry expectations
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Q1. Question on oop concepts
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Q2. Coding questions
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Q1. Java OOPS concepts abstract class vs interface
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Q2. SQL query to find duplicate values
Ans. 
Use GROUP BY and HAVING clause to find duplicate values in SQL.
• Use GROUP BY clause to group the data based on the column you want to check for duplicates.

• Use HAVING clause to filter out groups that have more than one entry, indicating duplicates.

• Example: SELECT column_name, COUNT(*) FROM table_name GROUP BY column_name HAVING COUNT(*) > 1;
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Q1. On demand video assessment that include questions to answer.
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Q2. Games designed to test different ability.
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It continues for 15 mins

Q1. Basic core Java question
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Q2. Sql query based question
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Q1. Normal coding question and work experience based question
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