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I applied via Naukri.com and was interviewed before May 2023. There was 1 interview round.
LINQ (Language Integrated Query) is a feature in C# that allows for querying data from different data sources using a uniform syntax.
LINQ allows for querying data from collections, databases, XML, and more.
It provides a set of standard query operators like Where, Select, OrderBy, etc.
LINQ queries are written in a declarative syntax similar to SQL.
Example: var result = from num in numbers where num % 2 == 0 select num;
SOLID principles are a set of five design principles in object-oriented programming to make software designs more understandable, flexible, and maintainable.
S - Single Responsibility Principle: A class should have only one reason to change.
O - Open/Closed Principle: Software entities should be open for extension but closed for modification.
L - Liskov Substitution Principle: Objects of a superclass should be replaceable...
Events in C# are a way to provide notifications to clients when something happens in an object.
Events are declared using the 'event' keyword in C#.
Clients can subscribe to events using delegates.
Events are commonly used in GUI programming to handle user interactions.
Example: public event EventHandler MyEvent;
OOPS concepts refer to Object-Oriented Programming concepts which include Inheritance, Encapsulation, Polymorphism, and Abstraction.
Inheritance: Allows a class to inherit properties and behavior from another class.
Encapsulation: Bundling data and methods that operate on the data into a single unit.
Polymorphism: Ability to present the same interface for different data types.
Abstraction: Hiding the complex implementation...
Threading is a way for a program to execute multiple tasks concurrently. TPL (Task Parallel Library) is a set of APIs in .NET for parallel programming.
Threading allows multiple tasks to run concurrently within a single process.
TPL provides a higher level of abstraction for managing tasks and parallelism in .NET applications.
Threading can improve performance by utilizing multiple CPU cores efficiently.
TPL includes class...
I applied via Recruitment Consulltant and was interviewed before Oct 2023. There were 3 interview rounds.
Gave me the platform to perform the coding
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For loop is used for iterating over a range of values while for each loop is used for iterating over elements of an array.
For loop is used when the number of iterations is known beforehand.
For each loop is used when the number of iterations is not known beforehand.
For loop can be used with any iterable object.
For each loop can only be used with arrays and other iterable objects.
For loop uses an index variable to access...
I applied via Recruitment Consultant and was interviewed before Oct 2020. There were 3 interview rounds.
I appeared for an interview before Jun 2016.
I appeared for an interview before Aug 2016.
posted on 23 Feb 2022
I applied via Campus Placement and was interviewed before Feb 2021. There was 1 interview round.
A marker interface is an interface with no methods used to mark a class as having a particular property or behavior.
Marker interfaces are used to provide metadata about a class.
They are often used in frameworks and libraries to indicate that a class should be treated in a special way.
Examples include Serializable, Cloneable, and Remote interfaces in Java.
Marker interfaces can also be used to enforce design patterns, su
Thread concurrency refers to multiple threads executing simultaneously in a program.
Concurrency allows for efficient use of resources and can improve performance.
However, it can also lead to race conditions and other synchronization issues.
Synchronization mechanisms like locks and semaphores can be used to manage concurrency.
Examples of concurrent programming languages include Java and Python's threading module.
posted on 18 May 2021
I applied via Walk-in and was interviewed before May 2020. There were 4 interview rounds.
I applied via Naukri.com and was interviewed in Sep 2020. There were 3 interview rounds.
The HashMap class is used to represent key-value pairs in Java.
HashMap is a part of the Java Collections Framework.
It allows null values and only one null key.
It provides constant-time performance for basic operations like get and put.
Example: HashMap<String, Integer> map = new HashMap<>();
Abstraction is the process of simplifying complex systems by focusing on essential details and hiding unnecessary complexities.
Abstraction allows us to create models or representations of real-world objects or systems in software.
It helps in managing complexity by breaking down a system into smaller, more manageable parts.
Abstraction provides a level of indirection, allowing changes to be made in one part of the system...
try-catch is used in Java to handle exceptions and prevent program crashes.
try-catch blocks are used to catch and handle exceptions that may occur during program execution.
It allows the program to gracefully handle errors and prevent the program from crashing.
The try block contains the code that may throw an exception, and the catch block handles the exception.
Multiple catch blocks can be used to handle different types...
The statement to use for selecting based on integer inputs is the 'switch' statement.
The 'switch' statement allows for multiple cases to be evaluated based on the value of an integer input.
Each case represents a possible value of the input, and the corresponding code block is executed if the value matches.
The 'switch' statement also provides a 'default' case which is executed if none of the cases match the input value.
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