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Articles by karthikeya Boyini
Page 17 of 142
Retrieving Elements from Collection in C#
Collections in C# provide various ways to retrieve elements. The List collection is one of the most commonly used collections that allows you to access elements by index, retrieve specific elements, or iterate through all elements. Syntax Following is the syntax for accessing elements by index − ElementType element = list[index]; Following is the syntax for using foreach to iterate through all elements − foreach (ElementType item in list) { // process item } Using Index-Based Access You can retrieve elements from a List collection using ...
Read MoreBitwise right shift operators in C#
The bitwise right shift operator (>>) in C# moves the bits of the left operand to the right by the number of positions specified by the right operand. This operation effectively divides the number by powers of 2. Syntax Following is the syntax for the bitwise right shift operator − result = operand >> numberOfPositions; How It Works When you right shift a binary number, each bit moves to the right by the specified number of positions. Vacant positions on the left are filled with zeros for positive numbers and ones for negative ...
Read MoreWhat is the Count property of BitArray class in C#?
The Count property of the BitArray class in C# returns the total number of elements (bits) in the BitArray. This is a read-only property that gives you the size of the BitArray, which is determined when the BitArray is created. Syntax Following is the syntax for accessing the Count property − int count = bitArray.Count; Return Value The Count property returns an int value representing the number of bits in the BitArray. Using Count Property with BitArray Let us first create a BitArray and then use the Count property to get ...
Read MoreVirtual vs Sealed vs New vs Abstract in C#
In C#, virtual, sealed, new, and abstract are important keywords that control method inheritance and overriding behavior. Understanding these modifiers is crucial for implementing proper object-oriented design patterns and controlling how classes interact through inheritance. Virtual The virtual keyword allows a method in a base class to be overridden in derived classes. When a method is declared as virtual, derived classes can provide their own implementation using the override keyword. Syntax public virtual ReturnType MethodName() { // base implementation } Example using System; class Animal { ...
Read MoreC# Queryable Max Method
The Queryable.Max() method in C# returns the maximum value from a sequence of numeric values. It operates on IQueryable collections and provides query optimization for data sources like Entity Framework. Syntax Following is the syntax for the Max() method − public static TSource Max(this IQueryable source) public static TResult Max(this IQueryable source, Expression selector) Parameters source − An IQueryable sequence of values to determine the maximum value of. selector − A transform function to apply to each element (optional overload). Return Value Returns the maximum ...
Read MoreHow to use the GetType method of array class in C#?
The GetType() method in C# is inherited from the Object class and returns the exact runtime type of the current instance. When used with arrays, it provides information about the array's type, including its element type and dimensions. Syntax Following is the syntax for using the GetType() method − Type type = arrayInstance.GetType(); Return Value The method returns a Type object that represents the exact runtime type of the current instance. Using GetType() with Arrays When applied to arrays, GetType() returns the array type, which includes information about the element type ...
Read MoreC# Program to Convert Integer to String
To convert an integer to string in C#, you can use several methods. The most common approach is the ToString() method, which provides a simple and direct way to convert any integer value to its string representation. Syntax Following is the syntax for using ToString() method − string result = number.ToString(); Alternative syntax using Convert.ToString() method − string result = Convert.ToString(number); Using ToString() Method The ToString() method is called on the integer variable to convert it to a string − using System; class Program { ...
Read MoreWhat is the base class for all data types in C#.NET?
Object is the base class for all data types in C#. The Object Type is the ultimate base class for all data types in C# Common Type System (CTS). The object is an alias for System.Object class. When a value type is converted to object type, it is called boxing and on the other hand, when an object type is converted to a value type, it is called unboxing. Syntax Following is the syntax for declaring an object variable − object variableName; object variableName = value; Following is the syntax for boxing and ...
Read MoreHow to use NameValueCollection class in C#?
The NameValueCollection class in C# is a specialized collection that allows storing multiple values for a single key. It belongs to the System.Collections.Specialized namespace and is particularly useful for handling web form data, query strings, and HTTP headers where duplicate keys might exist. Unlike regular dictionaries that allow only one value per key, NameValueCollection can associate multiple string values with a single string key, making it ideal for scenarios like handling multiple form inputs with the same name. Syntax Following is the basic syntax for creating and using a NameValueCollection − NameValueCollection collection = new ...
Read MoreWrite a C# program to solve FizzBuzz problem
The FizzBuzz problem is a classic programming exercise that tests basic conditional logic and loop implementation. The problem requires printing numbers from 1 to 100 with specific substitutions based on divisibility rules. Problem Statement The FizzBuzz problem states that − Display "Fizz" instead of the number for each multiple of 3 Display "Buzz" instead of the number for each multiple of 5 Display "FizzBuzz" instead of the number for each multiple of both 3 and 5 Display the number itself if it's not a multiple of 3 or 5 FizzBuzz ...
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