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posted on 25 Mar 2024
Very easy
Basic questions
posted on 12 Apr 2022
I applied via Naukri.com and was interviewed in Mar 2022. There were 3 interview rounds.
Abstract class is a class that can have both abstract and non-abstract methods, while interface only has 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 is used when there is a need for a common base class for multiple relate...
posted on 29 Jul 2022
I applied via Job Fair and was interviewed in Jun 2022. There were 2 interview rounds.
C++ is a high-level programming language used for developing system software, application software, device drivers, and video games.
C++ is an extension of the C programming language.
It supports object-oriented programming concepts like classes, inheritance, and polymorphism.
C++ is used in developing operating systems, browsers, databases, and more.
Examples of popular software written in C++ include Adobe Photoshop, Mic...
Virtual function is a function in base class that is overridden in derived class.
Virtual functions allow polymorphism in C++.
They are declared in base class with 'virtual' keyword.
They are overridden in derived class with 'override' keyword.
They are called based on the object type at runtime.
Call by value and call by reference are two ways of passing arguments to a function in programming.
Call by value passes a copy of the value to the function.
Call by reference passes the memory address of the value to the function.
Changes made to the parameter inside the function affect the original value in call by reference.
In call by value, changes made to the parameter inside the function do not affect the original v
SQL query features include SELECT, FROM, WHERE, GROUP BY, ORDER BY, JOIN, and more.
SELECT: used to select specific columns from a table
FROM: used to specify the table to retrieve data from
WHERE: used to filter data based on a condition
GROUP BY: used to group data based on a column
ORDER BY: used to sort data based on a column
JOIN: used to combine data from multiple tables
Other features include subqueries, aggregate func
posted on 7 Feb 2024
I applied via Recruitment Consulltant and was interviewed before Feb 2023. There were 2 interview rounds.
OOPs is a programming paradigm that focuses on objects and their interactions. SOLID is a set of principles for designing maintainable software.
OOPs stands for Object-Oriented Programming, which is a programming paradigm that organizes code around objects and their interactions.
SOLID is an acronym for five principles: Single Responsibility, Open-Closed, Liskov Substitution, Interface Segregation, and Dependency Inversi...
Stored procedures are precompiled SQL statements stored in a database, while joins are used to combine rows from different tables.
Stored procedures are used to improve performance, security, and code reusability.
Joins are used to retrieve data from multiple tables based on a related column between them.
There are different types of joins: inner join, left join, right join, and full outer join.
Example of a stored procedu...
Authentication is the process of verifying the identity of a user, while authorization determines what actions a user is allowed to perform.
Authentication confirms the identity of a user through credentials like username and password.
Authorization determines the level of access a user has based on their authenticated identity.
Authentication is the gatekeeper, while authorization defines the permissions.
Examples of auth...
posted on 10 Aug 2022
posted on 26 Oct 2022
I applied via Walk-in and was interviewed before Oct 2021. There were 2 interview rounds.
posted on 28 Jan 2023
I was interviewed in Dec 2022.
Creating a drop-down in Angular
Use the
Use *ngFor directive to loop through options
Bind the selected value to a variable using [(ngModel)]
Use *ngIf directive to conditionally show/hide the drop-down
I applied via Campus Placement and was interviewed in Mar 2023. There were 3 interview rounds.
2 coding qns and aptitude
Lambda function in Python is an anonymous function that can have any number of arguments, but can only have one expression.
Lambda functions are defined using the lambda keyword.
They are commonly used for small, one-time tasks.
They can take any number of arguments, but can only have one expression.
Example: lambda x: x*2 will return the double of x.
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