A String is immutable, meaning String cannot be changed once created. For example, new string "Hello World!!" will occupy a memory space on the heap. ...

In C#, properties are nothing but natural extension of data fields. They are usually known as smart fields in C# community. We know that data encaps ...

The Hashtable class represents a collection of key-and-value pairs that are organized based on the hash code of the key. It uses the key to access the ...

C# includes a Queue collection class in the System.Collection namespace. Queue stores the elements in FIFO style (First In First Out), exactly opposit ...

C# includes a special type of collection which stores elements in LIFO style(Last In First Out). C# includes a generic and non-generic Stack. Here, y ...

The SortedList collection stores key-value pairs in the ascending order of key by default. SortedList class implements IDictionary & ICollection inter ...

ArrayList is a non-generic type of collection in C#. It can contain elements of any data types. It is similar to an array, except that it grows automa ...

C# includes specialized classes that hold many values or objects in a specific series, that are called collection. Collection classes are specialized ...

A file is a collection of data stored in a disk with a specific name and a directory path. C# includes static File class to perform I/ ...

An exception is a problem that arises during the execution of a program. A C# exception is a response to an exceptional circumstance that arises while ...

In C# enum is a value type data type. The enum is used to declare a list of named integer constants. It can be defined using the enum keyword directly ...

In C# a structure is a value type data type. It helps you to make a single variable hold related data of various data types. A structure is a value ...

An interface in C# contains only the declaration of the methods, properties, and events, but not the implementation. It is left to the class that impl ...

When a message can be processed in different ways is called polymorphism. Polymorphism means many forms. The word polymorphism means having many fo ...

One of the absolute key aspects of Object Oriented Programming (OOP), which is the concept that C# is built upon, is inheritance, the ability to crea ...

Encapsulation is defined as the process of enclosing one or more items within a physical or logical package . Encapsulation, in object oriented progr ...

Strings are one of the most important data types in any modern language C#. The string class defined in the .NET base class library represents text as ...

We have learned that a variable can hold only one literal value, for example int x = 1;. Only one literal value can be assigned to a variable x. Supp ...

A method is a group of statements that together perform a task. A method helps you separate your code into modules that perform a given task. Meth ...

A class is a group of related methods and variables. A class describes these things, and in most cases, you create an instance of this class, now refe ...