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The four pillars of OOP are Abstraction, Encapsulation, Inheritance, and Polymorphism.
Abstraction: Hiding implementation details and showing only necessary information.
Encapsulation: Binding data and functions that manipulate it together.
Inheritance: Creating new classes from existing ones, inheriting their properties and methods.
Polymorphism: Ability of objects to take on multiple forms or behaviors.
MVC stands for Model-View-Controller. It is a software design pattern that separates an application into three interconnected components.
Model represents the data and business logic of the application
View is responsible for rendering the user interface
Controller handles user input and updates the model and view accordingly
MVC helps developers to write clean, modular and maintainable code
It also enables parallel develop...
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I applied via Naukri.com and was interviewed in Aug 2020. There were 3 interview rounds.
I applied via Campus Placement and was interviewed before Feb 2020. There were 6 interview rounds.
I applied via Company Website and was interviewed before Feb 2020. There was 1 interview round.
I applied via Campus Placement and was interviewed in Oct 2020. There were 4 interview rounds.
Bubble sort is a simple sorting algorithm that repeatedly steps through the list, compares adjacent elements and swaps them if they are in the wrong order.
Start from the first element and compare it with the next element
If the next element is smaller, swap them
Repeat this process for all elements in the array
Continue this process until no more swaps are needed
A program to print all prime numbers
Take input from user for range of numbers
Loop through the range and check if each number is prime
Print the prime numbers
Hashmap is a data structure that stores key-value pairs and allows constant time access to values based on their keys.
Hashmap uses a hash function to map keys to indices in an array.
Collisions can occur when multiple keys map to the same index, which can be resolved using techniques like chaining or open addressing.
Examples of hashmap implementations include Java's HashMap class and Python's dict type.
Inheritance is a mechanism in object-oriented programming where a new class is created by inheriting properties of an existing class.
Inheritance allows code reuse and promotes code organization.
The existing class is called the parent or superclass, and the new class is called the child or subclass.
The child class inherits all the properties and methods of the parent class and can also add new properties and methods.
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I applied via Walk-in and was interviewed in Mar 2021. There was 1 interview round.
I applied via Company Website and was interviewed in Dec 2020. There was 1 interview round.
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