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C# Random Lowercase Letter
Generate a random stream of lowercase letters with the Random Next method.Random lowercase letter. A random lowercase letter is needed. It must be between "a" and "z" inclusive. We use the C# programming language. We generate random characters by providing inclusive and exclusive bounds to the Random variable.
Example. This program introduces two classes to the compilation unit. The RandomLetter class is a static class, meaning it cannot be instantiated. The Program class contains the Main entry point.Static
GetLetter: This static method on the RandomLetter type provides a way to get the next random letter.
Info: The GetLetter method provides a way to get another random letter. It internally references the static field Random variable.
RandomAnd: It calls the Next method and stores the result of that onto the evaluation stack as an integer local variable.
Then: It uses type conversion to convert the value of "0-25" to the letters "a-z". The range of letters "a-z" is exactly "a" places past zero.
CharCastsC# program that random lowercase letter
using System;
static class RandomLetter
{
static Random _random = new Random();
public static char GetLetter()
{
// This method returns a random lowercase letter.
// ... Between 'a' and 'z' inclusize.
int num = _random.Next(0, 26); // Zero to 25
char let = (char)('a' + num);
return let;
}
}
class Program
{
static void Main()
{
// Get random lowercase letters.
Console.WriteLine(RandomLetter.GetLetter());
Console.WriteLine(RandomLetter.GetLetter());
Console.WriteLine(RandomLetter.GetLetter());
Console.WriteLine(RandomLetter.GetLetter());
Console.WriteLine(RandomLetter.GetLetter());
}
}
Output
i
q
f
t
o
Random fields. When using the Random variable type, it is often useful to store the Random variable itself as a static field. This is because, logically, Random implements a stream of randomness, not true randomness.
Summary. We examined a program that implements a random letter generation routine. The method shown returns a random letter between "a" and "z" in char representation. It can be called sequentially as it is implemented as a random stream.
Note: The static modifier is used here to simplify the program layout and reduce instantiations.
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- C# Stream
- C# StreamReader ReadToEnd Example (Read Entire File)
- C# StreamReader ReadToEndAsync Example (Performance)
- C# StreamReader Examples
- C# StreamWriter Examples
- C# String Append (Add Strings)
- C# String Compare and CompareTo Methods
- C# String Constructor (new string)
- C# string.Copy Method
- C# CopyTo String Method: Put Chars in Array
- C# Empty String Examples
- C# String Equals Examples
- C# String For Loop, Count Spaces in String
- C# string.Intern and IsInterned
- C# String IsUpper, IsLower
- C# String Length Property: Get Character Count
- C# String Literal: Newline and Quote Examples
- C# StringBuilder Capacity
- C# StringBuilder Clear (Set Length to Zero)
- C# StringBuilder Data Types
- C# StringBuilder Performance
- C# StringBuilder Equals (If Chars Are Equal)
- C# StringBuilder Memory
- C# StringBuilder ToString: Get String From StringBuilder
- C# StringWriter Class
- C# Sum Method: Add up All Numbers
- C# Switch Char, Test Chars With Cases
- C# Switch Enum
- C# System (using System namespace)
- C# Tag Property: Windows Forms
- C# TextInfo Examples
- C# TextReader, Returned by File.OpenText
- C# TextWriter, Returned by File.CreateText
- C# this Keyword
- C# ThreadPool
- C# Thread Join Method (Join Array of Threads)
- C# ThreadPool.SetMinThreads Method
- C# TimeZone Examples
- C# Get Title From HTML With Regex
- C# ToArray Extension Method
- C# ToCharArray: Convert String to Array
- C# ToDictionary Method
- C# Token
- C# ToList Extension Method
- C# ToLookup Method (Get ILookup)
- C# ToLower and ToUpper: Uppercase and Lowercase Strings
- ToolStripContainer Control: Dock, Properties
- C# ToolTip: Windows Forms
- C# ToString Integer Optimization
- C# ToString: Get String From Object
- C# ToTitleCase Method
- C# TrackBar: Windows Forms
- C# Tree and Nodes Example: Directed Acyclic Word Graph
- C# TreeView Tutorial
- C# Trim Strings
- C# Thread Methods
- C# History
- C# Features
- C# Variables
- C# Data Types
- C# Operators
- C# Keywords
- C# New Features | C# Version Features
- C# Programs
- C# Program to swap numbers without third variable
- C# Program to convert Decimal to Binary
- C# Program to Convert Number in Characters
- C# Program to Print Alphabet Triangle
- C# Program to print Number Triangle
- C# Program to generate Fibonacci Triangle
- C# String Compare() method
- C# String CompareOrdinal() method
- C# String CompareTo() method
- C# String Concat() method
- C# String Contains() method
- C# String CopyTo() method
- C# String EndsWith() method
- C# String Equals() method
- C# String Format() method
- C# String IndexOf() method
- C# String Insert() method
- C# String Intern(String str) method
- C# String IsInterned() method
- C# String Normalize() method
- C# String IsNullOrEmpty() method
- C# String IsNullOrWhiteSpace() method
- C# String Join() method
- C# String LastIndexOf() method
- C# String LastIndexOfAny() method
- C# String PadLeft() method
- C# String PadRight() method
- C# Nullable
- C# String Remove() method
- C# String Replace() method
- C# String Split() method
- C# String StartsWith() method
- C# String SubString() method
- C# Partial Types
- C# Iterators
- C# Delegate Covariance
- C# Delegate Inference
- C# Anonymous Types
- C# Extension Methods
- C# Query Expression
- C# Partial Method
- C# Implicitly Typed Local Variable
- C# Object and Collection Initializer
- C# Auto Implemented Properties
- C# Dynamic Binding
- C# Named and Optional Arguments
- C# Asynchronous Methods
- C# Caller Info Attributes
- C# Using Static Directive
- C# Exception Filters
- C# Await in Catch Finally Blocks
- C# Default Values for Getter Only Properties
- C# Expression Bodied Members
- C# Null Propagator
- C# String Interpolation
- C# nameof operator
- C# Dictionary Initializer
- C# Pattern Matching
- C# Tuples
- C# Deconstruction
- C# Local Functions
- C# Binary Literals
- C# Ref Returns and Locals
- C# Expression Bodied Constructors and Finalizers
- C# Expression Bodied Getters and Setters
- C# Async Main
- C# Default Expression