IDS Infotech Senior Software Engineer Interview Questions and Answers

Q1. OOPS Basic Questions and examples
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Q2. Microservices Related questuons and examples
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Genric aptitude test

Q1. About yourself and your achievements
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Q2. About your hobbies and interests
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Q1. Arrays and array list questions
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Q2. Basic java concepts
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This test consist of Logical, Reasoning, Verbal and some Programming questions

Q1. Basic Java and Frameworks question
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Q2. Stream api find the second largest salary
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Use Stream API to find the second largest salary in an array of salaries.
• Use Stream.sorted() to sort the salaries in descending order

• Use Stream.skip(1).findFirst() to get the second highest salary
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Q1. Insert middle in the linked list
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Insert a node in the middle of a linked list
• Find the middle node using slow and fast pointers

• Insert the new node after the middle node

• Update the pointers to maintain the linked list structure
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Q2. Reverse the linked list
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Reverse a linked list
• Iterate through the linked list and change the direction of pointers

• Use three pointers to keep track of current, previous, and next nodes

• Update the head of the linked list to point to the last node
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Q3. Singletone design pattern
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Q1. About your self
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Q2. Previous company and project Experiance
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It was related to javascript basics and node js

Q1. Basic JS related question
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Q2. Angular Basic + Advance Question
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Q1. Difference between abstract and interface
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Abstract classes can have both abstract and concrete methods, while interfaces can only have abstract methods.
• Abstract classes can have state (fields), while interfaces cannot.

• A class can inherit from only one abstract class but can implement multiple interfaces.

• Abstract classes can provide default behavior, whereas interfaces cannot.

• Example: An abstract class 'Animal' can have a method 'makeSound()', while an interfac
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Q2. In sql write a salary second highest according department wise?
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Q3. From array how to find second highest value write a program in c#.
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