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I applied via Referral and was interviewed in Dec 2023. There was 1 interview round.
The doctype declaration is used to specify the version of HTML being used in a document.
The doctype declaration is placed at the very beginning of an HTML document.
It helps the browser to understand how to interpret and render the HTML code.
Without a doctype, the browser may enter quirks mode, which can lead to inconsistent rendering.
Different versions of HTML have different doctype declarations.
For example, the HTML5
Meta tags are HTML elements that provide information about a web page. There are various types of meta tags.
Meta tags are placed in the head section of an HTML document.
They help search engines understand the content and purpose of a web page.
Common types of meta tags include title, description, keywords, viewport, robots, and charset.
The title meta tag specifies the title of the web page.
The description meta tag provi...
z-index is a CSS property that controls the stacking order of elements on a webpage.
z-index determines which elements appear in front or behind other elements
Higher z-index values bring elements to the front
z-index only works on positioned elements (position: absolute, position: relative, or position: fixed)
z-index can be positive, negative, or zero
Elements with higher z-index values will overlap elements with lower va
Viewport is the visible area of a web page in a web browser.
Viewport determines how much content can be seen without scrolling.
It is defined by the size of the browser window.
Viewport can be adjusted using meta tags in HTML.
Responsive web design uses viewport to optimize layout for different devices.
There are three ways to link CSS: inline, internal, and external. Inline has the highest priority.
Inline CSS is applied directly to an HTML element using the 'style' attribute.
Internal CSS is defined within the 'style' tags in the head section of an HTML document.
External CSS is linked to an HTML document using the 'link' tag with the 'rel' attribute set to 'stylesheet'.
Inline CSS has the highest priority, followed by
CSS box model is a design concept that describes how elements are rendered on a web page.
The CSS box model consists of four main components: content, padding, border, and margin.
The content area is where the actual content of the element is displayed.
Padding is the space between the content and the border.
Border is a line that surrounds the padding and content.
Margin is the space between the border and other elements o...
Margin is the space outside an element, while padding is the space inside an element.
Margin is used to create space between elements, while padding is used to create space within an element.
Margin affects the positioning of an element in relation to other elements, while padding affects the content within an element.
Negative margin can be used to overlap elements, while negative padding is not possible.
Margin is transp...
To include Bootstrap into an HTML document, link the Bootstrap CSS and JavaScript files in the head section.
Download the Bootstrap CSS and JavaScript files from the official website.
Place the CSS file link inside the head section using the link tag.
Place the JavaScript file link at the end of the body section using the script tag.
Ensure the file paths are correct and relative to the HTML document.
Bootstrap grid system is a responsive grid system that allows developers to create responsive layouts for web pages.
Bootstrap grid system is based on a 12-column layout.
It uses CSS classes to define the layout structure.
Developers can easily create responsive designs by utilizing the grid system.
The grid system provides different classes for different screen sizes, such as 'col-sm' for small screens and 'col-lg' for la
Containers are lightweight, isolated environments that package software and its dependencies for easy deployment and scalability.
Containers provide a consistent and reproducible environment for running applications.
They encapsulate an application and its dependencies, including libraries, binaries, and configuration files.
Containers are portable and can run on any system that supports containerization.
They offer effici...
To declare a variable in JavaScript, use the 'var', 'let', or 'const' keyword followed by the variable name.
Use 'var' to declare a variable with function scope
Use 'let' to declare a variable with block scope
Use 'const' to declare a constant variable
Example: var age = 25; let name = 'John'; const PI = 3.14;
Achieve responsiveness in web page by using media queries, flexible layouts, and fluid images.
Use CSS media queries to apply different styles based on screen size
Create flexible layouts using CSS Grid or Flexbox
Use relative units like percentages and ems instead of fixed pixels
Optimize images for different screen sizes using srcset and sizes attributes
Test responsiveness across different devices and browsers
Mainly about expectations from you.
I applied via campus placement at Maharishi Dayanand University (MDU), Rohtak and was interviewed before May 2020. There were 4 interview rounds.
HashMap is a data structure that stores key-value pairs and provides constant time complexity for basic operations.
HashMap uses hashing to store and retrieve values based on their keys.
It allows null values and one null key.
Collisions are resolved by chaining or open addressing.
The initial capacity and load factor can be specified during initialization.
The internal array is resized when the load factor exceeds a thresh...
StringBuffer is synchronized while StringBuilder is not.
StringBuffer is thread-safe while StringBuilder is not.
StringBuffer is slower than StringBuilder due to synchronization.
StringBuilder is preferred for single-threaded operations.
Both classes are used for manipulating strings.
Example: StringBuffer sb = new StringBuffer(); StringBuilder sb = new StringBuilder();
The entry point of a Java program, must be public, static, void and accept an array of strings as argument.
public: accessible from anywhere in the program
static: belongs to the class, not to an instance of the class
void: does not return any value
main: the name of the method that serves as the entry point of the program
String[] args: an array of strings that can be used to pass arguments to the program
A thread is a lightweight process that can run concurrently with other threads within a program.
Threads share the same memory space as the parent process.
Threads can communicate with each other through shared memory.
Threads can be created and managed using threading libraries in programming languages like Java and Python.
Encapsulation is the process of hiding implementation details and exposing only necessary information.
Encapsulation is achieved through access modifiers like public, private, and protected.
It helps in achieving data abstraction and information hiding.
It prevents unauthorized access to the internal details of an object.
Example: A class with private variables and public methods to access those variables.
Example: A capsul...
Fill ratio is the percentage of array slots that are occupied by elements. Concurrency level is the estimated number of concurrently updating threads.
Fill ratio is important for performance optimization and memory usage.
Concurrency level determines the number of segments in the collection.
Higher concurrency level can improve performance but also increases memory usage.
Examples of concurrent collection frameworks includ
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I applied via LinkedIn and was interviewed in Jun 2024. There were 2 interview rounds.
They asked me to design google ads poster designs for the content they gave me.
posted on 3 Sep 2023
I applied via Company Website and was interviewed in Aug 2023. There were 2 interview rounds.
I applied via Naukri.com and was interviewed in Apr 2023. There were 3 interview rounds.
4 Coding Questions Were Given.
Check Palindrome String
Longest Increasing Subsequence
Group Anagrams
Add Two Numbers(Linked List)
Questions were picked from leetcode but the restriction of not using any inbuild function made them difficult to solve in the given time frame.
Throws is used for checked exceptions in Java, while throw is used to explicitly throw an exception.
Throws is used in method signature to declare that the method may throw a checked exception.
Throw is used to actually throw an exception in the code.
Example: public void method() throws IOException { //code }
Example: throw new IOException();
Inheritance allows a class to inherit properties and behaviors from another class. Abstract classes cannot be instantiated and can have abstract methods. Interfaces define a contract for classes to implement.
Inheritance allows a class to inherit properties and behaviors from another class
Abstract classes cannot be instantiated and can have abstract methods
Interfaces define a contract for classes to implement
posted on 21 Nov 2023
I applied via Company Website and was interviewed in May 2023. There were 3 interview rounds.
General knowledge and logical mathematics.
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...
posted on 12 Sep 2023
I applied via Indeed and was interviewed in Sep 2023. There were 4 interview rounds.
Sales is the process of selling products or services to customers in exchange for money.
Sales involves identifying potential customers and convincing them to purchase a product or service.
It includes building relationships with customers, understanding their needs, and providing solutions.
Sales also involves negotiating prices, closing deals, and following up with customers for repeat business.
Sales can be done through...
The language used for frontend technology is typically HTML, CSS, and JavaScript.
HTML is used for structuring web pages
CSS is used for styling the web pages
JavaScript is used for adding interactivity to the web pages
Interview experience
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3-4 Yrs
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Solution Developer
86
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| ₹3 L/yr - ₹9.2 L/yr |
Solution Engineer
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UI Developer
14
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QA Engineer
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Software Developer
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