Tata Elxsi Software Engineer Trainee Interview Questions and Answers

Q1. How to reverse a array, basic java
Add your answer

Q1. Oops concepts to be known
Ans. 
Understanding of OOP concepts is essential for software development.
• Inheritance: Allows a class to inherit properties and behavior from another class.

• Encapsulation: Bundling data and methods that operate on the data into a single unit.

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

• Abstraction: Hiding the complex implementation details and showing only the necessary features.
Answered by AI
Add your answer
Q2. What is inheritance
Ans. 
Inheritance is a concept in object-oriented programming where a class inherits attributes and methods 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 access all public and protected members of the base class

• Example: Class 'Car' can inherit from class 'Vehicle' to reu
Answered by AI
Add your answer
Q3. Abstraction use to be explained
Ans. 
Abstraction is the concept of hiding complex details and showing only the essential features of an object.
• Abstraction allows us to focus on what an object does, rather than how it does it

• It helps in reducing complexity and improving efficiency

• Example: A car dashboard abstracts the internal workings of the car and provides only essential information to the driver
Answered by AI
Add your answer

Based on logical reasoning, quantitative aptitude

Q1. Questions on OOPs, Testing, Types of testing
Add your answer

First round was Aptitude test which contained questions from every major subject from CS/IT i.e., DBMS, OS, Computer Networks. It also had Maths aptitude and Verbal, and 2 coding questions.

Q1. Polymorphism and its types
Ans. 
Polymorphism is the ability of an object to take on many forms.
• Polymorphism allows objects of different classes to be treated as if they are of the same class.

• There are two types of polymorphism: compile-time (method overloading) and runtime (method overriding).

• Compile-time polymorphism is achieved through method overloading, where multiple methods have the same name but different parameters.

• Runtime polymorphism is ach...read more
Answered by AI
View 1 more answer
Q2. SQL Joins query
Add your answer

Q1. I didn't get selected for this round but my friends told me that they just asked if you are comfortable with salary, bond and relocation. Also the lady HR asked them to define the room, tell her something ...read more
Add your answer

The coding test was conducted in hackerearth platform.The questions are 4 dsa with 3 easy and 1 hard.

Q1. Logical question - you have a 3 gallon container and a 5 gallon container, how do you measure a 4 gallon volume. basic oops questions like define polymorphism, difference between class and object. basic ds...read more
Add your answer
Q2. Basic oops questions like define polymorphism, difference between class and object. basic dsa question on sorting.
Add your answer

Basic Aptitude Questions

MCQs and 2 coding questions

Q1. My Introduction
Add your answer

Numericals, email writing, grammar

Easy questions from array and string concepts

Q1. Write a program in any language of your convenient
Ans. 
A program to find the factorial of a given number.
• Take input from the user for the number whose factorial needs to be found.

• Use a loop to multiply the number with all the numbers less than it.

• Print the final result as the factorial of the given number.
Answered by AI
Add your answer

Q1. General questions like child labour
Add your answer
Q2. About location convinience
Add your answer