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Newgen Software Technologies Senior Software Engineer Interview Questions and Answers
9 Interview questions
SQL joins combine rows from two or more tables based on related columns, enabling complex queries and data retrieval.
Use INNER JOIN to return records with matching values in both tables. Example: SELECT * FROM Orders INNER JOIN Customers ON Orders.CustomerID = Customers.CustomerID;
LEFT JOIN returns all records from the left table and matched records from the right table. Example: SELECT * FROM Customers LEFT JOIN ...
Arrange characters in arrays by sorting or manipulating strings for various applications.
Use built-in sorting functions: In Python, use sorted() to arrange strings alphabetically. Example: sorted(['banana', 'apple']) returns ['apple', 'banana'].
Custom sorting: Implement a custom sort function to arrange strings based on specific criteria, like length or character frequency.
Reversing strings: Use slicing to reverse...
OOP concepts include encapsulation, inheritance, polymorphism, and abstraction, forming the foundation of object-oriented programming.
Encapsulation: Bundling data and methods that operate on the data within a single unit (class). Example: A class 'Car' with properties like 'speed' and methods like 'accelerate()'.
Inheritance: Mechanism to create a new class from an existing class, inheriting its properties and meth...
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
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
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
Prevent rerendering of a child component in React
Use shouldComponentUpdate() lifecycle method
Use React.memo() to memoize functional components
Use PureComponent instead of Component
Pass props as a callback function to avoid unnecessary re-renders
Use React.PureComponent for class components
Use React.memo() for functional components
React lifecycle, Fragment vs React.Fragment, React.PureComponent
React lifecycle consists of mounting, updating, and unmounting phases
Fragment is a shorthand for React.Fragment, used to group multiple elements
React.PureComponent is a class component that implements shouldComponentUpdate method for performance optimization
JavaScript hoisting and differences between let, var and const.
Hoisting is a JavaScript mechanism where variables and function declarations are moved to the top of their scope.
Var declarations are hoisted to the top of their scope, while let and const declarations are not.
Var can be redeclared and reassigned, let can be reassigned but not redeclared, and const cannot be reassigned or redeclared.
Using const is reco...
Newgen Software Technologies Senior Software Engineer Interview Experiences
14 interviews found
Anonymous
(2 Questions)
- Q1. What are the OOPS concepts
- Ans.
OOP concepts include encapsulation, inheritance, polymorphism, and abstraction, forming the foundation of object-oriented programming.
Encapsulation: Bundling data and methods that operate on the data within a single unit (class). Example: A class 'Car' with properties like 'speed' and methods like 'accelerate()'.
Inheritance: Mechanism to create a new class from an existing class, inheriting its properties and methods. ...
- Q2. MultiThreading, synchronization
(1 Question)
- Q1. Tell me about yourself
Selected
(2 Questions)
- Q1. OOPS Basic Questions and examples
- Q2. Microservices Related questuons and examples
Interview Preparation Tips
Selected
I applied via Naukri.com and was interviewed before Oct 2023. There were 4 interview rounds.
This test consist of Logical, Reasoning, Verbal and some Programming questions
(2 Questions)
- Q1. Basic Java and Frameworks question
- Q2. Stream api find the second largest salary
- Ans.
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
(3 Questions)
- Q1. Insert middle in the linked list
- Ans.
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
- Q2. Reverse the linked list
- Ans.
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
- Q3. Singletone design pattern
(2 Questions)
- Q1. About your self
- Q2. Previous company and project Experiance
Interview Preparation Tips
Skills evaluated in this interview
I applied via Naukri.com and was interviewed in Sep 2023. There were 2 interview rounds.
(2 Questions)
- Q1. It was related to some current working projects, roles and responsibilities and what some technical knowledge.
- Q2. No one is respond after that first round, and during the call it was positive from interviewer. I have tried multiple times by mail and call but no one is responding.
vandana Devarinti
(1 Question)
- Q1. 1.About collections 2. Database
Selected
I applied via Naukri.com and was interviewed in Apr 2023. There were 3 interview rounds.
(1 Question)
- Q1. Core java , basic problem on array,string , jsp , javascript
(1 Question)
- Q1. Asking more on jsp, core java and project
Interview Preparation Tips
Selected
I appeared for an interview before Jul 2024, where I was asked the following questions.
- Q1. Arrange of characters in arrays
- Ans.
Arrange characters in arrays by sorting or manipulating strings for various applications.
Use built-in sorting functions: In Python, use sorted() to arrange strings alphabetically. Example: sorted(['banana', 'apple']) returns ['apple', 'banana'].
Custom sorting: Implement a custom sort function to arrange strings based on specific criteria, like length or character frequency.
Reversing strings: Use slicing to reverse stri...
- Q2. SQL query to find value using joins
- Ans.
SQL joins combine rows from two or more tables based on related columns, enabling complex queries and data retrieval.
Use INNER JOIN to return records with matching values in both tables. Example: SELECT * FROM Orders INNER JOIN Customers ON Orders.CustomerID = Customers.CustomerID;
LEFT JOIN returns all records from the left table and matched records from the right table. Example: SELECT * FROM Customers LEFT JOIN Order...
Anusha Jain
Selected
I appeared for an interview before Mar 2024, where I was asked the following questions.
- Q1. Arrays and array list questions
- Q2. Basic java concepts
Selected
I applied via Campus Placement and was interviewed before Aug 2023. There were 2 interview rounds.
Genric aptitude test
(2 Questions)
- Q1. About yourself and your achievements
- Q2. About your hobbies and interests
Interview Preparation Tips
I am Boss
Selected
I applied via Naukri.com and was interviewed before Apr 2022. There were 3 interview rounds.
(2 Questions)
- Q1. They just asked basic questions on jave
- Q2. And basic database questions
(1 Question)
- Q1. Basic java and database questions
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based on 206 reviews
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Software Engineer
1.9k
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|  ₹3.8 L/yr - ₹9 L/yr |
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Senior Software Engineer
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| ₹6 L/yr - ₹14.2 L/yr |
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Applications Engineer
561
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| ₹3.5 L/yr - ₹6.4 L/yr |
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Senior Business Analyst
483
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| ₹11 L/yr - ₹19.4 L/yr |
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Team Lead
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