Gedu Services Private Limited Interview Questions and Answers

OOPs is a programming paradigm based on the concept of objects, encapsulation, inheritance, and polymorphism.

• OOPs stands for Object-Oriented Programming.

• It emphasizes on the use of objects to represent real-world entities.

• Encapsulation is the process of hiding the implementation details of an object from the outside world.

• Inheritance allows a class to inherit properties and methods from another class.

• Polymorphism allows objects of different classes to be treated as if they ar...read more

The .NET framework is a software development platform developed by Microsoft for building and running applications on Windows.

• Developed by Microsoft

• Used for building and running applications on Windows

• Supports multiple programming languages like C#, VB.NET, F#

• Consists of a large class library known as Framework Class Library (FCL)

• Includes Common Language Runtime (CLR) for managing code execution

A database is a collection of data that is organized in a way that allows for efficient retrieval and manipulation.

• Joins are used to combine data from two or more tables based on a related column between them.

• Types of joins include inner join, left join, right join, and full outer join.

• Inner join returns only the matching rows from both tables, left join returns all rows from the left table and matching rows from the right table, right join returns all rows from the right tab...read more

Drop is used to remove a table from a database, while delete is used to remove rows from a table.

• DROP is a DDL (Data Definition Language) command, while DELETE is a DML (Data Manipulation Language) command.

• DROP command removes the table structure and its data, while DELETE command removes specific rows from a table.

• DROP command cannot be rolled back, while DELETE command can be rolled back if used within a transaction.

• Example: DROP TABLE TableName; DELETE FROM TableName WHERE...read more

LifeCycle Hooks are functions that allow you to tap into the lifecycle of Angular components.

• LifeCycle Hooks are methods that are called at specific points in the life cycle of a component.

• They allow you to perform actions like initialization, change detection, and destruction.

• Examples of LifeCycle Hooks include ngOnInit, ngOnChanges, ngOnDestroy, etc.