C# Overview

C# Characteristics

  • Simple
  • Consistent
  • Modern
  • Object oriented language
  • Type-safe
  • Versionable
  • Compatible
  • Interoperable
  • Flexible etc..

C# Applications

  • Console application
  • Windows application
  • Developing windows control
  • Developing ASP.NET project
  • Creating Web Controls
  • Creating Web services, WCF services, RESTful services
  • Developing .NET component library

Simple C# Program

class FirstApp
{
    public static void Main()
    {
        System.Console.WriteLine("Welcome to codingpointer.com to learn C#.");
        System.Console.ReadKey();
    }
}

Output:

Welcome to codingpointer.com to learn C#.

In this program, first line is to decare a class which is an object oriented construct.

Every executable C# program must include Main method in one of the classes. this method is the starting point for executing the program.

In C#, An application can have many number of classes but atleast one class must define a Main method.

static keyword declares the Main method is a global one and cab be called without creating an instance of the class.

void is the type modifier and states that Main method does not return any value.

Once executing this program prints the above output and waits for any key press.

C# Compiler

csc command is used to compile the cs file into IL code.

C:> csc FirstApp.cs
C:> FirstApp

C# Program Examples

C# Program to find Square Root of a Number

C# Program to Print Multiplication Table

C# Program to Calculate Median

C# Program to Calculate Standard Deviation

C# Program to Find Odd Number Series

C# Program to Find Even Number Series

C# Program to Find Sum of Number

C# Program to Find Number of Even and Odd Numbers in Array

C# Program to Find Largest of three values

C# Program to Find grade for each students

C Program To Implement Linked List and Operations

C Program To Implement Sorted Linked List and Operations

C Program to Reverse the Linked List

C Program to Stack and Operations using Linked List

C Program to Queue and Operations using Linked List

C Program to calculate multiplication of two numbers using pointers

C Program For Fahrenheit To Celsius Conversion

C Program To Calculate Average

C Program For Quadratic Equations

C Program To Check Character Type

C Program To Find Largest Of Three Values

C Program To Find Max Value In Array

C Program To Find Min Value In Array

C Program For Frequency Counting

C Program To Read A Line Of Text

C Program To Find ASCII Value For Any Character

C Program To Find A Character Is Number, Alphabet, Operator, or Special Character

C Program To Find Reverse Case For Any Alphhabet using ctype functions

C Program To Find Number Of Vowels In Input String

C Program Pointers Example Code

C Program To Find Leap Year Or Not

C Program To Swap Two Integers Using Call By Reference

C Program To Swap Two Integers Without Using Third Variable

C Program To List Prime Numbers Upto Limit

C Program To List Composite Numbers Upto Limit

C Program To Calculate Compound Interest

C Program To Calculate Depreciation Amount After of Before Few Years

C Program To Calculate Profit Percentage

C Program To Calculate Loss Percentage

C Program To Find String Is Polindrome Or Not

C Program To Find Factorial of a Number

C Program To Check Number is a Polindrome or Not

C Program To Generate Random Integers

C Program To Generate Random Float Numbers

C Program to find Area of a Rectangle

C Program to find Perimeter of a Rectangle

C Program to find Area of a Square

C Program to find Area of a Triangle

C Program to find Area of a Parallelogram

C Program to find Area of a Rhombus

C Program to find Area of a Trapezium

C Program to find Area of a Circle and Semi-circle

C Program to find Circumference of a Circle and Semi-circle

C Program to find length of an arc

C Program to find Area of a Sector

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