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posted on 11 Oct 2020
OOPs stands for Object-Oriented Programming. It is a programming paradigm based on the concept of objects.
OOPs is based on the four main concepts: Encapsulation, Inheritance, Polymorphism, and Abstraction.
Encapsulation is the process of hiding the implementation details from the user.
Inheritance is the process of creating a new class from an existing class.
Polymorphism is the ability of an object to take on many forms.
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I applied via Approached by Company and was interviewed in Oct 2024. There were 2 interview rounds.
Program to return list of .tst files in given directory and subdirectories
Use recursion to traverse through all directories and subdirectories
Check if each file has .tst extension and add to list if true
Use built-in functions like os.listdir() and os.path.splitext() in Python
The '==' operator is used for comparing values of primitive data types, while the 'equals' method is used for comparing objects in Java.
Use '==' to compare primitive data types like int, char, boolean, etc.
Use 'equals' method to compare objects like Strings, Lists, etc.
Example: int a = 5; int b = 5; if(a == b) { // true }
Example: String str1 = 'hello'; String str2 = 'hello'; if(str1.equals(str2)) { // true }
Abstract classes are used to provide a common base for multiple classes, while interfaces define a contract for classes to implement.
Abstract classes can contain both abstract and concrete methods, while interfaces can only have abstract methods.
Abstract classes can have constructors, while interfaces cannot.
Interfaces allow for multiple inheritance, while classes can only inherit from one abstract class.
Abstract class...
Singleton design pattern ensures a class has only one instance and provides a global point of access to it.
Ensure a private static instance variable in the class.
Provide a public static method to access the instance, creating it if necessary.
Use synchronized keyword or double-checked locking to make it thread-safe.
Merge sort is a divide and conquer algorithm that divides the input array into two halves, sorts each half, and then merges the sorted halves.
Divide the array into two halves
Recursively sort each half
Merge the sorted halves back together
Good morning sir have a you sir my name is hemant Ramchandra narkhede
Java script simple frame
JavaScript has several data types including string, number, boolean, object, function, undefined, and null.
String: 'hello', '123'
Number: 123, 3.14
Boolean: true, false
Object: { key: 'value' }
Function: function() { }
Undefined: undefined
Null: null
var is function-scoped while let is block-scoped in JavaScript.
var keyword is function-scoped, meaning it is accessible throughout the function it is declared in.
let keyword is block-scoped, meaning it is only accessible within the block it is declared in.
Using var can lead to variable hoisting issues, while let provides more predictable behavior.
let allows for better variable scoping and reduces the risk of unintended
Pair programming promotes collaboration, knowledge sharing, and code quality.
Enhances code quality through immediate code review and feedback
Promotes knowledge sharing and learning from each other
Fosters collaboration and teamwork
Reduces the likelihood of bugs and errors
Increases productivity by leveraging two minds on the same problem
Helps in breaking down complex problems into smaller tasks
Improves communication skil
I use a combination of manual testing, unit testing, and debugging tools to identify bugs in my code.
Perform manual testing by running the code and checking for any unexpected behavior or errors.
Write unit tests to verify the functionality of individual components and catch any issues early on.
Utilize debugging tools like breakpoints, logging, and stack traces to track down the root cause of bugs.
Collaborate with team ...
I have been coding primarily in Python for 5 years.
I started learning Python in college and have been using it extensively in my professional career.
I have worked on various projects using Python, including web development, data analysis, and automation.
I am proficient in Python libraries such as NumPy, Pandas, and Django.
HR round full stack developer experience
Best atitude round questions
I applied via Approached by Company and was interviewed in Apr 2024. There was 1 interview round.
To check if a graph is cyclic, use depth-first search to detect back edges.
Perform a depth-first search on the graph and keep track of visited nodes and parent nodes.
If a visited node is encountered with a parent different from the current node, then the graph contains a cycle.
Example: For a graph with edges (A, B), (B, C), (C, A), the graph is cyclic.
I applied via Naukri.com and was interviewed in Sep 2024. There was 1 interview round.
Asked me to write code on paper for count inversions
I applied via Company Website and was interviewed before Apr 2022. There were 5 interview rounds.
Main command on JAVA script and python
What assignments and projects you had done before share that experience
Your theories on what topics you had done your best
Lack of relevant experience and skills
Limited experience in full stack development
Lack of proficiency in required programming languages and frameworks
Inadequate knowledge of database management systems
Weak problem-solving and analytical skills
Poor communication and collaboration abilities
I applied via Company Website
It was javascript and reactjs. multiple choices and coding test
Maths,Quant, Reasoning
DSA round was there it was good
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