Allied Digital Services Senior Software Engineer 1 Interview Questions and Answers

Polymorphism

Q1. Framework related questions
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Q1. What are the basic details of the project?
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Q2. What is .net/ what is java/ what is PHP
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Since it came through college I was a fresher and it was aptitude + English

Q1. Project questions based on resume
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Q2. Then some HR questions also based
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Q1. Basic angular questions
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Q2. Let, var, const event emitter, middle ware
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Q1. SQL Join between Employee and Company Table
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SQL Join between Employee and Company Table
• Use JOIN keyword to combine data from both tables based on a related column

• Specify the columns to be selected using SELECT statement

• Use ON keyword to specify the relationship between the tables
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Q2. Sanity and regression difference
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Sanity testing is a quick test to check if the software is stable, while regression testing is a thorough test to ensure new changes haven't affected existing functionality.
• Sanity testing is a subset of regression testing

• Sanity testing is usually performed on build with minor changes

• Regression testing is performed on every build to ensure existing functionality is not impacted by new changes
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Q1. Basics of Spring Boot and Collections Frameworks
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Q2. Basics of Spring Boot and Collections and Basics of SQL Questions
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Q1. Implement LinkedList and insert element at last
Ans. 
Implement LinkedList and insert element at last
• Create a Node class with data and next pointer

• Create a LinkedList class with head and tail pointers

• Implement a method in LinkedList class to insert element at the end
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