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I applied via Referral and was interviewed in Dec 2023. There was 1 interview round.
Doctype defines the version of HTML being used and helps browsers render the page correctly.
Doctype declaration is used to specify the version of HTML being used in the document.
It helps browsers to render the web page correctly by triggering standards mode.
If the doctype is removed, browsers may render the page in quirks mode which can lead to inconsistent display.
For example, without a doctype, some CSS styles may no
Meta tags are HTML tags that provide metadata about a webpage. They are used to provide information about the page to search engines and browsers.
Meta tags are placed in the head section of an HTML document.
Common types of meta tags include meta description, meta keywords, and meta viewport.
Meta description provides a brief summary of the webpage's content.
Meta keywords are used to specify keywords relevant to the webp...
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 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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posted on 14 May 2022
I applied via Naukri.com and was interviewed before May 2021. There was 1 interview round.
I applied via Walk-in and was interviewed before Apr 2020. There were 5 interview rounds.
I was interviewed before Sep 2020.
Round duration - 140 minutes
Round difficulty - Medium
Test timing was at 2:00 pm , it was conducted in a college and the environment was good for the test. Camera was a primary part of test, so no suspicious activity.
Given two numbers in the form of two arrays where each element of the array represents a digit, calculate the sum of these two numbers and return this sum as an ar...
Given two numbers represented as arrays, calculate their sum and return the result as an array.
Iterate through the arrays from right to left, adding digits and carrying over if necessary
Handle cases where one array is longer than the other by considering the remaining digits
Ensure the final sum array does not have any leading zeros
Round duration - 20 minutes
Round difficulty - Easy
The round was conducted at around 12 p.m. I was called at the college location and then it was conducted. The interviewer was quite polite and frank.
Round duration - 8 minutes
Round difficulty - Easy
This round was conducted right after finishing and clearing the technical round at the same place and on the same day.
Tip 1 : Practice atleast 2-3 Coding problems daily so your logic building becomes stronger.
Tip 2 : Exercise problems based on OOPS concepts and others too.
Tip 3 : If you can have your own project built, then it's the major point and will act as a plus point.
Tip 1 : Your resume should be in standard form, short and simple will be more effective.
Tip 2 : Whatever you have learned, you need to mention it in your resume as that will be your primary source of selection and having project on your resume is important.
I applied via Naukri.com and was interviewed in Jul 2020. There were 4 interview rounds.
I applied via Naukri.com and was interviewed before Apr 2020. There were 5 interview rounds.
I applied via Campus Placement and was interviewed before Jan 2020. There were 4 interview rounds.
I applied via Walk-in and was interviewed before May 2020. There was 1 interview round.
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