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Intellect Design Arena System Trainee Interview Questions and Answers
11 Interview questions
Polymorphism is the ability of an object to take on multiple forms.
Polymorphism allows objects of different classes to be treated as if they are of the same class.
It can be achieved through method overloading or method overriding.
Example: A parent class Animal can have multiple child classes like Dog, Cat, etc. and all of them can have their own implementation of the same method like makeSound().
Polymorphism helps...
Exception handling in Java is a mechanism to handle runtime errors and prevent program termination.
Java provides try-catch blocks to handle exceptions
Multiple catch blocks can be used to handle different types of exceptions
Finally block is used to execute code regardless of whether an exception is thrown or not
Custom exceptions can be created by extending the Exception class
Checked exceptions must be handled or de...
Program to find min and max in an array of strings
Convert array elements to integers
Initialize min and max variables
Loop through array and compare values
Return min and max values
Program to reverse a string
Declare a string variable
Loop through the string from end to start
Append each character to a new string variable
Return the new string variable
Abstract classes are classes that cannot be instantiated and can have both concrete and abstract methods. Interfaces are contracts that define a set of methods that a class must implement.
Abstract classes can have instance variables, constructors, and non-abstract methods, while interfaces cannot.
A class can implement multiple interfaces, but it can only inherit from one abstract class.
Abstract classes provide a w...
Polymorphism in Java can be achieved through method overriding and method overloading.
Method overriding allows a subclass to provide a different implementation of a method that is already defined in its superclass.
Method overloading allows multiple methods with the same name but different parameters to be defined in a class.
Polymorphism allows objects of different classes to be treated as objects of a common super...
Yes, static methods can be used in an interface.
Static methods in an interface can be used to provide utility methods that are not tied to any specific instance of the interface.
These methods can be called directly on the interface itself, without the need for an instance of a class that implements the interface.
Static methods in an interface cannot be overridden by implementing classes.
They can be useful for prov...
OOPs is a programming paradigm based on the concept of objects that interact with each other to perform tasks.
OOPs stands for Object-Oriented Programming
It involves the use of classes, objects, encapsulation, inheritance, and polymorphism
Classes are blueprints for creating objects
Objects are instances of classes
Encapsulation is the process of hiding data and methods within a class
Inheritance allows a class to inhe...
Variables in Java are containers that store data values. Their scope determines where they can be accessed.
Java has three types of variables: local, instance, and static
Local variables are declared within a method and can only be accessed within that method
Instance variables are declared within a class but outside of any method and can be accessed by any method within that class
Static variables are declared with t...
C is a procedural language while Java is an object-oriented language.
C is compiled while Java is interpreted
Java has automatic garbage collection while C requires manual memory management
Java has platform independence while C is platform dependent
Java has built-in exception handling while C does not
Java has a larger standard library than C
Intellect Design Arena System Trainee Interview Experiences
7 interviews found
Selected
I applied via Referral and was interviewed in Dec 2022. There were 5 interview rounds.
Aptitude and reasoning mcqs in online mode, web cam is screening
Group discussion with particular topic that is based on hr given topics
Coding test on Java , one or two coding they have to give
(3 Questions)
- Q1. Tr asked the self introduction and question on computer languages and education . He calculate the communication skills .
- Q2. Oops concepts in java
- Ans.
Oops concepts are fundamental to Java programming and include inheritance, polymorphism, encapsulation, and abstraction.
Inheritance allows a class to inherit properties and methods from a parent class.
Polymorphism allows objects to take on multiple forms and behave differently based on their context.
Encapsulation hides the implementation details of a class from other classes.
Abstraction allows us to focus on the essent...
- Q3. What is polymorphism in java
- Ans.
Polymorphism is the ability of an object to take on multiple forms.
Polymorphism allows objects of different classes to be treated as if they are of the same class.
It can be achieved through method overloading or method overriding.
Example: A parent class Animal can have multiple child classes like Dog, Cat, etc. and all of them can have their own implementation of the same method like makeSound().
Polymorphism helps in a...
Interview Preparation Tips
Skills evaluated in this interview
Venkatesh Muthuvel
Selected
I applied via Naukri.com and was interviewed before Oct 2023. There were 3 interview rounds.
(2 Questions)
- Q1. Asked from Java basics
- Q2. Mysql basics like ddl and dml
(1 Question)
- Q1. About the company and more technical
(1 Question)
- Q1. Onboard details and issued offer letter
Interview Preparation Tips
Selected
I applied via Campus Placement and was interviewed before May 2023. There were 4 interview rounds.
Pseudo codes and chooses
About ongoing world trend
(2 Questions)
- Q1. Java and MySQL basic questions
- Q2. About Oops concepts
(1 Question)
- Q1. About formalities
I applied via Naukri.com and was interviewed in Oct 2021. There were 3 interview rounds.
Interview Questionnaire
6 Questions
- Q1. Difference between c and java
- Ans.
C is a procedural language while Java is an object-oriented language.
C is compiled while Java is interpreted
Java has automatic garbage collection while C requires manual memory management
Java has platform independence while C is platform dependent
Java has built-in exception handling while C does not
Java has a larger standard library than C
- Q2. Write program to find min and max in an array
- Ans.
Program to find min and max in an array of strings
Convert array elements to integers
Initialize min and max variables
Loop through array and compare values
Return min and max values
- Q3. Write program to revers a string
- Ans.
Program to reverse a string
Declare a string variable
Loop through the string from end to start
Append each character to a new string variable
Return the new string variable
- Q4. What are the variables in java and scope of the variables in java
- Ans.
Variables in Java are containers that store data values. Their scope determines where they can be accessed.
Java has three types of variables: local, instance, and static
Local variables are declared within a method and can only be accessed within that method
Instance variables are declared within a class but outside of any method and can be accessed by any method within that class
Static variables are declared with the st...
- Q5. Some questions on oracle
- Q6. Exception handling in java
- Ans.
Exception handling in Java is a mechanism to handle runtime errors and prevent program termination.
Java provides try-catch blocks to handle exceptions
Multiple catch blocks can be used to handle different types of exceptions
Finally block is used to execute code regardless of whether an exception is thrown or not
Custom exceptions can be created by extending the Exception class
Checked exceptions must be handled or declare...
Interview Preparation Tips
Skills evaluated in this interview
I applied via Naukri.com and was interviewed in Jun 2021. There were 3 interview rounds.
Interview Questionnaire
4 Questions
- Q1. Can we use static method in an interface.
- Ans.
Yes, static methods can be used in an interface.
Static methods in an interface can be used to provide utility methods that are not tied to any specific instance of the interface.
These methods can be called directly on the interface itself, without the need for an instance of a class that implements the interface.
Static methods in an interface cannot be overridden by implementing classes.
They can be useful for providing...
- Q2. How can we achieve polymorphism in java?
- Ans.
Polymorphism in Java can be achieved through method overriding and method overloading.
Method overriding allows a subclass to provide a different implementation of a method that is already defined in its superclass.
Method overloading allows multiple methods with the same name but different parameters to be defined in a class.
Polymorphism allows objects of different classes to be treated as objects of a common superclass...
- Q3. Difference between abstract classes and the Interfaces?
- Ans.
Abstract classes are classes that cannot be instantiated and can have both concrete and abstract methods. Interfaces are contracts that define a set of methods that a class must implement.
Abstract classes can have instance variables, constructors, and non-abstract methods, while interfaces cannot.
A class can implement multiple interfaces, but it can only inherit from one abstract class.
Abstract classes provide a way to...
- Q4. Introduce yourself
Interview Preparation Tips
You must be comfortable with OOPS concepts, Multithreading and Collections in Java.
Skills evaluated in this interview
I applied via Naukri.com and was interviewed in Jun 2021. There were 4 interview rounds.
Interview Questionnaire
2 Questions
- Q1. The questions were asked on core java and sql and collections
- Q2. And academic projects and real time projects
Interview Preparation Tips
I applied via Referral and was interviewed in Oct 2020. There were 3 interview rounds.
Interview Questionnaire
2 Questions
- Q1. Complete Oops concept
- Ans.
OOPs is a programming paradigm based on the concept of objects that interact with each other to perform tasks.
OOPs stands for Object-Oriented Programming
It involves the use of classes, objects, encapsulation, inheritance, and polymorphism
Classes are blueprints for creating objects
Objects are instances of classes
Encapsulation is the process of hiding data and methods within a class
Inheritance allows a class to inherit p...
- Q2. Swapping, sort given numbers in ascending order, reverse string, exception handling, collections, thread, method overloading and overriding, TMAY, array list, linked list
Interview Preparation Tips
2nd round - Video call round where we have to present our screen. Few oral questions and few java programs we have to write in notepad.
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Anonymous
posted on 22 May 2022
I applied via LinkedIn and was interviewed before May 2021. There was 1 interview round.
(1 Question)
- Q1. Basics in Java, Microservices & Spring boot
Interview Preparation Tips
Software Engineer Interview Questions & Answers
Microsoft Corporation
Anonymous
posted on 16 Sep 2021
I appeared for an interview before Sep 2020.
(1 Question)
Round duration - 50 minutes
Round difficulty - Easy
This was a Data Structural round.
- Q1.
Distinct Islands Problem Statement
Given a two-dimensional array/list consisting of integers 0s and 1s, where 1 represents land and 0 represents water, determine the number of distinct islands. A group of...
- Ans.
Count the number of distinct islands in a 2D array of 0s and 1s.
Identify islands by performing depth-first search (DFS) on the grid
Use a set to store the shape of each island and check for duplicates
Consider translations to determine distinct islands
(1 Question)
Round duration - 50 minutes
Round difficulty - Easy
This was a Data Structural round.
- Q1.
Word Wrap Problem Statement
You are tasked with arranging 'N' words of varying lengths such that each line contains at most 'M' characters, with each word separated by a space. The challenge is to minimiz...
- Ans.
The goal is to minimize the total cost of arranging 'N' words on each line with a maximum character limit 'M'.
Calculate the cost of each line as the cube of extra space characters needed to reach 'M'.
Minimize the total cost by arranging words to fit within the character limit on each line.
Ensure each word appears fully on one line without breaking across lines.
(1 Question)
Round duration - 60 minutes
Round difficulty - Easy
This was a System Design round.
- Q1. Can you design a system similar to Red Bus that can handle bookings and onboard both vendors and customers to the platform?
- Ans.
Design a system similar to Red Bus for handling bookings and onboarding vendors and customers.
Implement a user-friendly interface for customers to search and book tickets
Create a vendor portal for vendors to manage their offerings and availability
Include payment gateway integration for secure transactions
Develop a robust backend system for managing bookings, cancellations, and refunds
Utilize a database to store user in...
Round duration - 50 minutes
Round difficulty - Easy
This was a System Design round
Round duration - 50 minutes
Round difficulty - Easy
This was an HR round.
Interview Preparation Tips
Tip 1 : Practice as much as you can.
Tip 2 : Prepare for company, not in general.
Tip 3 : Your past work should be objective and your contribution should be very clear
Tip 1 : Keep only relevant things for the job you are applying.
Tip 2 : Minimal data with measurable contribution and effect.
Skills evaluated in this interview
Interview Questionnaire
2 Questions
- Q1. Salary discussion and notice period
- Q2. Core java, collections and coding
Interview Preparation Tips
Experience: About project and previous company experience , daily activity
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