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Codilar Technologies
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I applied via Naukri.com and was interviewed in Dec 2022. There were 4 interview rounds.
There will be a half an hour session coding test
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posted on 9 May 2017
I was interviewed before May 2016.
posted on 12 Feb 2025
It's online coding test
JS stands for JavaScript, a high-level programming language used for creating interactive websites and web applications.
JS is a client-side scripting language that runs in the browser.
It is used to add interactivity, animations, and dynamic content to websites.
JS can be used alongside HTML and CSS to create responsive and user-friendly web applications.
Example: document.getElementById('demo').innerHTML = 'Hello World';
Work well on loops and you will do well enough in the interview.
It was good
Salary discusiion
I applied via Walk-in and was interviewed before Aug 2023. There were 3 interview rounds.
In 1st round they will provide a pattern question which you need to solve in 1 hour
Second round as well a coding test, which is a hard level of pattern coding test which you need to solve with in 45 minutes.
Arrow functions are a concise way to write functions in JavaScript.
Arrow functions are written using the '=>' syntax.
They do not have their own 'this' keyword.
They are best suited for non-method functions.
Example: const add = (a, b) => a + b;
To commit and push code in Git, you need to stage changes, commit them, and then push to the remote repository.
Stage changes using 'git add
Commit changes using 'git commit -m 'commit message''
Push changes to remote repository using 'git push'
posted on 2 Jan 2025
I applied via Referral
Print a specific pattern using any programming language.
A class in OOP is a blueprint for creating objects, defining their properties and behaviors.
Classes are templates for creating objects in OOP
They define the properties (attributes) and behaviors (methods) of objects
Objects are instances of classes, each with its own unique data
Inheritance allows classes to inherit properties and behaviors from other classes
Encapsulation ensures that the data is hidden and can only be a...
Abstract class can have both abstract and non-abstract methods, while interface can only have abstract methods.
Abstract class can have constructors, fields, and methods, while interface cannot have any implementation.
A class can only extend one abstract class, but can implement multiple interfaces.
Abstract classes are used to define common characteristics of subclasses, while interfaces are used to define contracts for...
Joining is combining data from two or more tables based on a related column, while an inner join query retrieves only the matching records.
Joining is used to combine data from multiple tables in a database.
Inner join query retrieves only the records that have matching values in both tables.
Syntax for inner join: SELECT columns FROM table1 INNER JOIN table2 ON table1.column = table2.column;
Example: SELECT orders.order_i...
I was interviewed in Jan 2025.
Like pattern question
2 basic project for creating and make project
Flowing code involves organizing and structuring code in a logical and readable manner.
Break down the code into smaller functions or modules
Use meaningful variable and function names
Follow a consistent coding style and indentation
Comment code to explain complex logic
Use version control to track changes and collaborate with others
Our project includes a unique functionality that allows users to customize their own user interface themes.
Users can choose from a variety of color schemes and layouts to personalize their experience.
The customization options are saved for each user, so they can easily switch between themes.
This feature enhances user satisfaction and engagement with the software.
posted on 20 Oct 2023
I applied via LinkedIn and was interviewed before Oct 2022. There were 2 interview rounds.
posted on 1 Feb 2024
I applied via Company Website and was interviewed in Jan 2024. There were 3 interview rounds.
They want you to solve pattern questions
Same complex patterns then first round
posted on 26 Apr 2024
I applied via Campus Placement and was interviewed before Apr 2023. There was 1 interview round.
The 4 principles of OOP are Inheritance, Encapsulation, Abstraction, and Polymorphism.
Inheritance allows a class to inherit properties and behavior from another class.
Encapsulation restricts access to certain components within a class, protecting the data.
Abstraction hides complex implementation details and only shows the necessary features.
Polymorphism allows objects to be treated as instances of their parent class.
String buffer is synchronized and thread-safe, while string builder is not synchronized and faster.
String buffer is synchronized, making it thread-safe for use in multi-threaded environments.
String builder is not synchronized, providing better performance in single-threaded applications.
String builder is faster than string buffer due to lack of synchronization overhead.
Example: StringBuffer sb = new StringBuffer(); Str
Strings are immutable in order to ensure data integrity and security.
Immutable strings prevent accidental data modification, ensuring data integrity.
Immutable strings enhance security by preventing unauthorized access or tampering.
Immutable strings allow for more efficient memory management and optimization.
Example: 'Hello' cannot be changed to 'Hella' directly, a new string must be created.
There are two types of exceptions in Java: checked exceptions and unchecked exceptions.
Checked exceptions are checked at compile time and must be handled using try-catch or throws keyword.
Unchecked exceptions are not checked at compile time and include RuntimeException and its subclasses.
Examples of checked exceptions include IOException, SQLException, and ClassNotFoundException.
Examples of unchecked exceptions include...
Linear search is a simple searching algorithm that sequentially checks each element in a list until a match is found.
Iterate through each element in the list
Compare the current element with the target value
Return the index if a match is found, otherwise return -1
JDK includes JRE and development tools, while JRE includes only the Java Runtime Environment.
JDK stands for Java Development Kit, which includes JRE and development tools like compilers and debuggers.
JRE stands for Java Runtime Environment, which includes JVM and libraries necessary to run Java applications.
JVM stands for Java Virtual Machine, which is responsible for executing Java bytecode.
JDK is used for developing ...
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