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Sealed class is a class that cannot be inherited or subclassed.
Sealed classes are used to restrict inheritance for security or design reasons
They are often used in conjunction with when expressions in Kotlin
Example: sealed class Result
Example: sealed class Shape
I was interviewed in Jul 2022.
I have a Bachelor's degree in Computer Science and enjoy coding, problem-solving, and learning new technologies.
Bachelor's degree in Computer Science
Proficient in coding and problem-solving
Passionate about learning new technologies
Experience with programming languages such as Java, Python, and C++
Java is a programming language. Collection is a framework for storing and manipulating data. Applet is a program that runs within a web browser. Overloading is a way to define multiple methods with the same name but different parameters. Constructor is a special method used to initialize objects.
Java is an object-oriented programming language
Collection is a framework that provides interfaces and classes for storing and...
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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.
based on 2 interviews
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