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posted on 15 Nov 2024
MCQ asked for css,js etx
DSA questions and programming concepts
Reverse array of strings efficiently
Use two pointers approach to swap characters from start and end of each string
Optimize by using in-place reversal instead of creating new strings
Consider edge cases like empty strings or strings with only one character
I applied via campus placement at Anna University and was interviewed in Apr 2024. There were 3 interview rounds.
General topics were given
posted on 30 Sep 2023
I applied via Naukri.com and was interviewed before Sep 2022. There were 3 interview rounds.
I applied via Campus Placement and was interviewed in Aug 2021. There were 5 interview rounds.
Switch case is used for multiple conditions while if else is for binary conditions. Sorting can be done using various algorithms.
Switch case is faster than if else for multiple conditions
If else is more readable for binary conditions
Sorting can be done using bubble sort, insertion sort, quick sort, etc.
Example code for bubble sort: for(i=0;i
Difference between compiler and interpreter with a coding challenge
Compiler translates the entire code into machine language before execution while interpreter translates line by line during execution
Compiler generates an executable file while interpreter does not
Compiler is faster but debugging is harder while interpreter is slower but debugging is easier
Coding challenge: Write a program to find the sum of two numbers
I applied via Naukri.com and was interviewed in Dec 2020. There were 3 interview rounds.
An object is an instance of a class that encapsulates data and behavior.
Objects have attributes (data) and methods (behavior).
Objects can interact with each other through method calls.
Objects can be created from classes.
Examples of objects include a car, a person, or a bank account.
Multi threading is the ability of a program to perform multiple tasks concurrently.
It allows for better utilization of CPU resources
It can improve program performance and responsiveness
Examples include web servers handling multiple requests simultaneously
It requires careful management of shared resources to avoid race conditions
Yes, we can create multiple objects in programming.
Objects are instances of a class.
We can create multiple objects of the same class.
Each object has its own set of instance variables and methods.
Objects can interact with each other through their methods.
Example: creating multiple instances of a 'Person' class for different people.
Encapsulation types are data, procedural and combination.
Data encapsulation hides data from outside world and provides access through methods.
Procedural encapsulation hides implementation details of a procedure.
Combination encapsulation is a mix of data and procedural encapsulation.
Examples include private variables in a class, access modifiers in Java, etc.
I applied via Campus Placement and was interviewed in Sep 2020. There were 3 interview rounds.
I am familiar with a wide range of technologies used in software development.
Java
Python
C++
JavaScript
HTML/CSS
SQL
Git
Linux
RESTful APIs
Agile methodologies
OOPs concepts in Java include encapsulation, inheritance, polymorphism, and abstraction.
Encapsulation: Bundling data and methods together in a class.
Inheritance: Creating new classes from existing ones, inheriting their properties and behaviors.
Polymorphism: Objects of different classes can be treated as objects of a common superclass.
Abstraction: Hiding complex implementation details and providing a simplified interfa
Abstraction can be achieved through interfaces, abstract classes, and encapsulation.
Using interfaces to define a set of methods that a class must implement
Using abstract classes to provide a base implementation that can be extended by subclasses
Encapsulating implementation details to hide complexity and provide a simpler interface
Using design patterns such as Factory and Strategy to abstract away implementation details
Class is a blueprint for creating objects while interface defines a contract for implementing classes.
Class is a template for creating objects with properties and methods.
Interface is a contract that defines a set of methods and properties that a class must implement.
Object is an instance of a class that has its own set of properties and methods.
Function instance is a reference to a function that can be called with arg...
Access modifiers control the visibility and accessibility of class members.
Access modifiers include public, private, protected, and internal.
Public members can be accessed from anywhere.
Private members can only be accessed within the same class.
Protected members can be accessed within the same class and its subclasses.
Internal members can be accessed within the same assembly.
Access modifiers help enforce encapsulation ...
Cloud refers to the delivery of computing services over the internet.
Cloud computing allows users to access data and applications from anywhere with an internet connection.
Cloud services can be categorized into three main types: Infrastructure as a Service (IaaS), Platform as a Service (PaaS), and Software as a Service (SaaS).
Cloud providers include Amazon Web Services (AWS), Microsoft Azure, and Google Cloud Platform.
...
There are multiple ways to achieve tasks on AWS depending on the specific task.
Using AWS Management Console
Using AWS CLI
Using AWS SDKs
Using AWS CloudFormation
Using AWS Elastic Beanstalk
Using AWS Lambda
Using AWS Step Functions
Using AWS Batch
I applied via Campus Placement and was interviewed in Sep 2020. There were 4 interview rounds.
I am a software developer with experience in various programming languages and a passion for creating innovative solutions.
Proficient in Java, C++, and Python
Experience with web development using HTML, CSS, and JavaScript
Familiarity with agile development methodologies
Strong problem-solving and analytical skills
Excellent communication and teamwork abilities
Array is a collection of elements of same data type. Linked list is a data structure where each element points to the next one.
Arrays have fixed size, linked lists can grow dynamically
Accessing elements in an array is faster than in a linked list
Inserting or deleting elements in a linked list is faster than in an array
Arrays are stored in contiguous memory locations, linked lists are not
Arrays are used for random acces
The OSI model is a conceptual model that describes the communication functions of a telecommunication or computing system.
The OSI model has 7 layers: Physical, Data Link, Network, Transport, Session, Presentation, and Application.
Each layer has a specific function and communicates with the layers above and below it.
The Physical layer deals with the physical transmission of data, while the Application layer deals with u...
The OSI model is a conceptual model that characterizes and standardizes the communication functions of a telecommunication or computing system.
The OSI model has 7 layers: Physical, Data Link, Network, Transport, Session, Presentation, and Application.
Each layer has a specific function and communicates with the layers above and below it.
The Physical layer deals with the physical transmission of data, while the Applicati...
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