1. Explain different states of a Thread in C#?
A thread in C# can have any of the following states:
1. Aborted – The thread is dead but not stopped
2. Running – The thread is executing
3. Stopped – The thread has stopped the execution
4. Suspended – The thread has been suspended
2. What is Multithreading in C#?
Multithreading allows you to perform more than one operation concurrently.The .NET framework System.Threading namespace is used to perform threading in C#
3. Give a brief explanation on Thread Pooling in C#.
A collection of threads, termed as a Thread Pool in C#. Such threads are for performing tasks without disturbing the execution of the primary thread. After a thread belonging to a thread pool completes execution, it returns to the thread pool.
4. Explain Anonymous type in C#?
Anonymous types allow us to create a new type without defining them. This is a way of defining read-only properties into a single object without having to define type explicitly.
5. What do you mean by Generics in C#?
Generic is a class that allows the user to define classes and methods with the placeholder. Generics were added to version 2.0 of the C# language. The basic idea behind using Generic is to allow type (Integer, String, etc and user-defined types) to be a parameter to methods, classes, and interfaces.
6. What are collections in C#?
A collection is a set of related objects. It is a class, so you must declare a new collection before you can add elements to that collection.
7. How encapsulation is implemented in C#?
Encapsulation is implemented by using access specifiers. An access specifier defines the scope and visibility of a class member.
8. What is an indexer in C#?
An indexer enables a class or struct instances to be indexed in the same way as an array. It is defined using this keyword.
9. What is the difference between “as” and “is” operators in C#?
1. “as” operator is used for casting the object to type or class.
2. “is” operator is used for checking the object with type and this will return a Boolean value.
10. When you should use the property?
Its uses are:
1. When to validate data before assigning it to a field.
2. When you need to log all access for a child.