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Use sorting algorithm like quicksort or mergesort to sort the array with duplicate values.
Use a sorting algorithm like quicksort or mergesort to sort the array efficiently.
Handle duplicate values by ensuring they are placed in the correct order during sorting.
Consider using a hashmap to count the frequency of each element before sorting.
I applied via Approached by Company and was interviewed before Apr 2023. There was 1 interview round.
JS fundamentals and coding question , OOPS
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I applied via Naukri.com and was interviewed in Jun 2024. There were 2 interview rounds.
posted on 8 Sep 2024
.net online coding 100 mins
I applied via Approached by Company and was interviewed before Sep 2023. There were 2 interview rounds.
It was a test to create a login page and connect to database
Interface is a contract with no implementation, while abstract class can have some implementation.
Interface cannot have any implementation, only method signatures
Abstract class can have both abstract methods and concrete methods
A class can implement multiple interfaces but can only inherit from one abstract class
Interfaces are used to achieve multiple inheritance in Java
Main concepts of OOP include encapsulation, inheritance, polymorphism, and abstraction.
Encapsulation: Bundling data and methods that operate on the data into a single unit (class).
Inheritance: Ability of a class to inherit properties and behavior from another class.
Polymorphism: Ability to present the same interface for different data types.
Abstraction: Hiding the complex implementation details and showing only the nec
I am a software engineer with 5 years of experience in developing web applications.
I have a strong proficiency in programming languages like Java, Python, and JavaScript.
I have experience in working with frameworks like Spring Boot and Django.
I am skilled in front-end development using HTML, CSS, and JavaScript.
I have worked on database management systems like MySQL and MongoDB.
I have knowledge of version control syste...
posted on 11 Nov 2021
I applied via Naukri.com and was interviewed in May 2021. There were 3 interview rounds.
Polymorphism is the ability of an object to take on many forms.
Polymorphism allows objects of different classes to be treated as if they are of the same class.
It is achieved through method overriding and method overloading.
Examples include function overloading, operator overloading, and inheritance.
Polymorphism helps in achieving loose coupling and flexibility in code design.
Abstract class is a class that can have both abstract and non-abstract methods while an interface can only have abstract methods.
Abstract class can have constructors while interface cannot
A class can implement multiple interfaces but can only inherit from one abstract class
Abstract class can have instance variables while interface cannot
Abstract class can provide default implementation for some methods while interface ...
Custom exceptions can be created by extending the Exception class and defining the desired behavior.
Create a new class that extends the Exception class
Define the desired behavior for the exception
Throw the custom exception when necessary
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