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posted on 9 May 2017
I appeared for an interview before May 2016.
posted on 12 Apr 2023
I applied via Recruitment Consulltant and was interviewed before Apr 2022. There were 3 interview rounds.
25 MCQ questions online with time limit
Create webapp . Frontend, Backend , data encryption
I applied via Walk-in and was interviewed in Jul 2024. There were 2 interview rounds.
Give 10 questions from node js backend
package.json is a file used in Node.js projects to manage dependencies, scripts, and metadata.
It is a JSON file that contains information about the project, such as name, version, dependencies, and scripts.
It is used to manage project dependencies by listing them in the 'dependencies' and 'devDependencies' fields.
It allows developers to define scripts for tasks like building, testing, and running the project.
Example: {...
Components in Angular are building blocks of an application. Data can be shared between components using input properties and output events.
Components in Angular are reusable, self-contained units of code that define a part of the user interface.
Data can be shared to a component using input properties, where data is passed from the parent component to the child component.
Data can also be shared from a child component t...
=== is strict equality operator, while == is loose equality operator. === is commonly used in real-time projects for accurate comparisons.
=== is a strict equality operator that checks both value and type of operands
== is a loose equality operator that only checks the value of operands
=== is commonly used in real-time projects to ensure accurate comparisons and prevent unexpected type coercion issues
Arrow function syntax in JavaScript
Arrow functions are concise syntax for writing function expressions in JavaScript
They have a shorter syntax compared to traditional function expressions
They do not have their own 'this', 'arguments', 'super', or 'new.target' keywords
Arrow functions are concise syntax for writing function expressions, while anonymous functions do not have a name.
Arrow functions have a shorter syntax compared to anonymous functions.
Arrow functions do not have their own 'this' keyword, while anonymous functions do.
Arrow functions do not have 'arguments' object, while anonymous functions do.
Arrow functions are not hoisted, while anonymous functions are hoisted.
I appeared for an interview in Feb 2025.
Node.js is a JavaScript runtime that executes code outside a browser, enabling server-side development with non-blocking I/O.
Node.js uses an event-driven, non-blocking I/O model, making it efficient for handling multiple connections simultaneously.
It runs on the V8 JavaScript engine, which compiles JavaScript to native machine code for faster execution.
Node.js operates on a single-threaded event loop, allowing it to ma...
The event loop is a core component of Node.js that enables non-blocking I/O operations by managing asynchronous callbacks.
The event loop allows Node.js to perform non-blocking operations despite being single-threaded.
It continuously checks the call stack and the message queue to execute tasks.
When an asynchronous operation completes, its callback is pushed to the message queue.
The event loop processes the message queue...
This code prints all Saturdays and Sundays for the month of a given date input.
Use JavaScript's Date object to manipulate dates.
Extract the month and year from the input date.
Iterate through the days of the month to find Saturdays (6) and Sundays (0).
Push the found dates into an array and print them.
Example input: '2023-10-15' will yield Saturdays and Sundays of October 2023.
I applied via Recruitment Consulltant and was interviewed in May 2024. There were 3 interview rounds.
It is easy to solve the Aptitude question and some identifying outputs of program.
A class is a blueprint for creating objects in object-oriented programming.
A class defines the properties and behaviors of objects.
An object is an instance of a class.
Example: Class 'Car' can have properties like 'color' and 'model', and behaviors like 'drive' and 'stop'.
Swap two numbers without using temp variable and reverse a string without using built-in functions.
To swap two numbers without using temp variable, use bitwise XOR operation.
To reverse a string without using built-in functions, use two pointers approach.
Example for swapping numbers: a = a ^ b; b = a ^ b; a = a ^ b;
Example for reversing a string: use two pointers to swap characters from start and end of the string.
Now, I am preparing for the third round.
So, I don't know the Coding Question.
I appeared for an interview in May 2025, where I was asked the following questions.
Java is a versatile, object-oriented programming language designed for portability across platforms and ease of use.
Object-Oriented: Java uses objects to represent data and methods, promoting code reusability. Example: Classes and objects.
Platform-Independent: Java code is compiled into bytecode, which can run on any device with a Java Virtual Machine (JVM).
Rich API: Java provides a comprehensive set of libraries for t...
The JVM enables Java applications to run on any device by providing an environment for executing Java bytecode.
Platform Independence: JVM allows Java programs to run on any operating system without modification.
Bytecode Execution: It interprets or compiles Java bytecode into machine code for execution.
Memory Management: JVM handles memory allocation and garbage collection automatically.
Security: It provides a secure ex...
OOP is a programming paradigm based on objects, encapsulating data and behavior, promoting code reusability and modularity.
Encapsulation: Bundling data and methods that operate on the data within one unit (e.g., a class).
Inheritance: Mechanism to create a new class based on an existing class, inheriting its properties (e.g., a 'Dog' class inheriting from an 'Animal' class).
Polymorphism: Ability to present the same inte...
Variables can be categorized based on their scope, lifetime, and data type, impacting how they are used in programming.
1. Local Variables: Defined within a function or block, e.g., 'int x = 10;' inside a function.
2. Global Variables: Accessible throughout the program, e.g., 'int count;' defined outside any function.
3. Static Variables: Retain their value between function calls, e.g., 'static int counter = 0;' in a func...
An interface defines a contract for classes, specifying methods and properties without implementing them.
An interface can contain method signatures and properties but no implementation.
Classes that implement an interface must provide concrete implementations for all its members.
Interfaces support multiple inheritance, allowing a class to implement multiple interfaces.
Example: In Java, 'Runnable' is an interface that re...
I applied via LinkedIn and was interviewed in Mar 2024. There was 1 interview round.
The process for Software Development Engineer involves planning, designing, coding, testing, and deploying software solutions.
Gather requirements from stakeholders
Create a design based on requirements
Write code to implement the design
Test the software for bugs and issues
Deploy the software for users to use
Iterate on feedback and make improvements
I applied via Campus Placement and was interviewed in Sep 2024. There were 3 interview rounds.
Aptitude questions with some basic coding questions
They have given 3 coding questions and some pseudo codings
I applied via Naukri.com and was interviewed in Mar 2023. There were 2 interview rounds.
OOPs concepts in Java include inheritance, polymorphism, encapsulation, and abstraction.
Inheritance allows a subclass to inherit properties and methods from a superclass.
Polymorphism allows objects to take on multiple forms and behave differently based on their context.
Encapsulation hides the implementation details of an object and only exposes necessary information.
Abstraction allows for the creation of abstract class...
Interfaces define contracts for behavior, while inheritance allows for code reuse and polymorphism.
Interfaces allow for loose coupling and abstraction, enabling multiple implementations of the same behavior.
Inheritance allows for code reuse and extension of existing classes, reducing code duplication.
Polymorphism allows objects of different classes to be treated as if they were of the same class, simplifying code and i...
SQL query for joining tables
Use JOIN keyword to combine two or more tables based on a related column
Specify the columns to be selected using SELECT keyword
Use ON keyword to specify the condition for joining the tables
Different types of joins include INNER JOIN, LEFT JOIN, RIGHT JOIN, and FULL OUTER JOIN
Used Java concepts such as inheritance, polymorphism, and exception handling in my project.
Implemented inheritance to create a base class and derived classes with specific functionalities.
Utilized polymorphism to allow objects of different classes to be treated as if they were of the same class.
Implemented exception handling to handle errors and prevent program crashes.
Used interfaces to define a set of methods that a ...
Overloading is having multiple methods with the same name but different parameters. Overriding is having a method in a subclass with the same name and parameters as a method in the superclass.
Overloading is used to provide different ways to call a method with different parameters
Overriding is used to provide a specific implementation of a method in a subclass
Overloading is resolved at compile-time while overriding is r...
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