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OOPs stands for Object-Oriented Programming. It is a programming paradigm based on the concept of objects.
OOPs focuses on creating objects that contain data and methods to manipulate that data.
Encapsulation, Inheritance, Polymorphism, and Abstraction are the four main principles of OOPs.
Examples of OOPs languages include Java, C++, Python, and C#.
DBMS stands for Database Management System. Joins are used to combine rows from two or more tables based on a related column between them.
DBMS is a software that manages databases, allowing users to interact with the data stored in them.
Joins are used in SQL queries to combine data from multiple tables based on a related column.
Common types of joins include INNER JOIN, LEFT JOIN, RIGHT JOIN, and FULL JOIN.
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DBms, operating system, system design, java, opps, data structure, web development, 3 codes.
OOPs is a programming paradigm based on the concept of objects that interact with each other.
OOPs stands for Object-Oriented Programming.
It focuses on encapsulation, inheritance, and polymorphism.
Encapsulation is the process of hiding implementation details from the user.
Inheritance allows a class to inherit properties and methods from another class.
Polymorphism allows objects to take on multiple forms or behaviors.
Exa...
Code to reverse a string by words
Split the string into words using space as delimiter
Reverse the order of words
Join the words using space as delimiter
Basic core Java questions on String, Integer & Collection
Volkswagen Group Technology Solution interview questions for designations
I applied via Walk-in and was interviewed in Apr 2023. There were 5 interview rounds.
Be good at aptitude.
Be good at programming
Get interview-ready with Top Volkswagen Group Technology Solution Interview Questions
I applied via Naukri.com and was interviewed in Jul 2022. There were 3 interview rounds.
I applied via campus placement at Marathwada Mitra Mandal's College of Engineering, Pune and was interviewed before Apr 2023. There were 3 interview rounds.
45 aptitude questions, 2 coding questions
The 4 pillars in OOPs 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 or a
I applied via campus placement at Marathwada Mitra Mandal's College of Engineering, Pune and was interviewed before Mar 2023. There were 3 interview rounds.
1 hour, 2 coding questions, 45 aptitude questions
I applied via Naukri.com and was interviewed in Jul 2021. There was 1 interview round.
Garbage collector is an automatic memory management system that frees up memory occupied by objects that are no longer in use.
Garbage collector is a part of the runtime environment of a programming language.
It automatically identifies and frees up memory that is no longer being used by the program.
There are different types of garbage collectors such as mark-and-sweep, reference counting, and generational garbage collec...
I applied via Other and was interviewed before Feb 2020. There were 3 interview rounds.
HashMap is a data structure that stores key-value pairs and uses hashing to retrieve values quickly.
HashMap uses an array of buckets to store key-value pairs
Each bucket contains a linked list of entries with the same hash code
When a key-value pair is added, its hash code is used to determine the bucket and added to the linked list
When a value is retrieved, its hash code is used to find the bucket and search the linked ...
Set methods are used to set values of private variables in a class.
Set methods are also known as setter methods.
They are used to ensure encapsulation in object-oriented programming.
They typically take a parameter and set the value of a private variable to that parameter.
For example, a set method for a class variable 'name' might look like: public void setName(String name) { this.name = name; }
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