NSE.IT Software Engineer Interview Questions and Answers

There were simple aptitude questions and core java MCQS

Q1. What's OOPs concept
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OOP is a programming paradigm based on the concept of objects, which can contain data in the form of fields and code in the form of procedures.
• Encapsulation: Bundling data and methods that operate on the data into a single unit (object).

• 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 th...read more
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Q2. Explain Inheritance
Ans. 
Inheritance is a concept in object-oriented programming where a class inherits properties and behaviors from another class.
• Allows a class to inherit attributes and methods from another class

• Promotes code reusability and reduces redundancy

• Creates a parent-child relationship between classes

• Derived class can override or extend the functionality of the base class

• Example: Class 'Car' can inherit from class 'Vehicle' and inh...read more
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Q3. Basic Java output questions
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Q1. Interviewer asked me to introduce and then he asked about my education and family details and then he told me about company.
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Basic coding along with general aptitude

Q1. What is oops describe with real time example?
Ans. 
OOPs (Object-Oriented Programming) is a programming paradigm based on the concept of objects, which can contain data and code.
• OOPs focuses on creating objects that interact with each other to solve a problem

• Encapsulation: Objects encapsulate data and behavior. Example: Car object with properties like color and methods like start()

• Inheritance: Objects can inherit attributes and methods from other objects. Example: Anima...read more
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Q2. Describe about data structures with real time examples?
Ans. 
Data structures are ways to organize and store data efficiently in a computer.
• Data structures are used to store and organize data in a way that makes it easy to access and manipulate.

• Examples of data structures include arrays, linked lists, stacks, queues, trees, and graphs.

• For example, an array is a data structure that stores a collection of elements in a contiguous block of memory.

• A linked list is a data structure wh...read more
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Q3. What makes you different from other candidates?
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Q1. Why do you choose happiest minds ?
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Q2. Why should we hire you?
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Q1. Can you introduce yourself? What are your strengths and weaknesses?
Ans. 
I am a software engineer with strong problem-solving skills and a passion for learning new technologies.
• Strengths: Strong problem-solving skills, quick learner, proficient in multiple programming languages (e.g. Java, Python), excellent communication skills

• Weaknesses: Sometimes I can be overly critical of my own work, can get too focused on details and lose sight of the bigger picture, working on improving time managem
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Q2. Do you have any relevant experience?
Ans. 
Yes, I have 5 years of experience working as a software engineer in a tech company.
• 5 years of experience as a software engineer

• Worked in a tech company

• Developed web applications using Java and JavaScript

• Experience with Agile development methodologies

• Strong problem-solving skills
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How to remove duplicates from an array

Q1. Some basic questions on java
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Q2. One coding question on Java
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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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