C# Basic - Lec1 (Workshop on C# Programming: Learn to Build)

Environment
Tools required:
• The .NET Framework is a platform for building, deploying, and
running different types of Web and Desktop based Applications &
Web Services.
• Common Language Runtime (CLR): The .NET Framework contains a
run-time environment known as CLR which runs the codes. It
provides services to make the development process easy.
• Framework Class Library(FCL): It is a library of classes, value types,
interfaces that provide access to system functionality.
• An IDE (Integrated Development Environment) is a tool that helps to
write programs using different programming languages.

Key Organizational Concepts in C#
C# is developed by Anders Hejlsberg at Microsoft in 2000 as a rival to
Java.
• Programs
• Namespaces
• Types
• member

Topic
• C# Environment
• Basic Syntax
• Data Types
• Type Casting
• Variables
• Operators
• Decision Making
• Loops
• Methods
• Arrays
• String
• Class
• Static Keyword

Features of C#
• simple, modern, object-oriented
• type-safe programming language
• component-oriented programming
• garbage collection
• exception handling

Basic Syntax: Write()
using System;
namespace Basic_syntax
{
class Program
{
static void Main(string[] args)
{
Console.Write("I’m Jannat Binta Alam. And you?");
}
}
}

Basic Syntax: Read()
using System;
{
class Program
{
{
Console.Read();
}
}
}

Basic Syntax: Clear()
using System;
{
class Program
{
{
Console.Read();
Console.Clear();
}
}
}

Comment
• Single Line Comment
// comment
• Multiline Comment
/* first line
last line */

Your First Program
• Program Name: Hello Universe
• Author Name: Jannat Binta Alam
• Task: A Program to Print “Hello Universe”
• Date: 26th October, 2018: 8.30AM
Or 26.10.2018:8.30AM

Problem Set
• Write a program to print “Hello Universe! –Your Name” in console.

Hello Universe!
using System;
class Hello
{
static void Main()
{
Console.WriteLine("Hello Universe!");
Console.ReadKey();
}
}

Hello Universe!
class Hello
{
static void Main()
{
System.Console.WriteLine("Hello Universe!");
System.Console.ReadKey();
}
}

Basic Syntax: BackgroundColor
using System;
{
class Program
{
{
Console.BackgroundColor = ConsoleColor.DarkBlue;
}
}
}

Basic Syntax: Read()
using System;
{
class Program
{
{
Console.Read();
}
}
}

Basic Syntax: WriteLine()
using System;
{
class Program
{
{
Console.WriteLine("C#: Learn to Build!");
Console.Read();
}
}
}

Basic Syntax: BackgroundColor
using System;
{
class Program
{
{
Console.Clear();
Console.Read();
}
}
}

Basic Syntax: ForegroundColor
using System;
{
class Program
{
{
Console.ForegroundColor = ConsoleColor.Green;
Console.ReadKey();
}
}
}

Basic Syntax: Beep
using System;
{
class Program
{
{
Console.Beep(2100,1000); //(int frequency, int millisecond)
Console.ReadKey();
}
}
}

Basic Syntax: Color Variable
using System;
{
class Program
{
{
ConsoleColor col = Console.BackgroundColor;
Console.Write(col);
}
}
}

using System;
{
class Program
{
{
Console.Write(col);
}
}
}

using System;
{
class Program
{
{
ConsoleColor col = Console.ForegroundColor;
Console.Write(col);
}
}
}

using System;
{
class Program
{
{
ConsoleColor col1 = Console.ForegroundColor;
Console.Write(col);
Console.Write(col1);
Console.Read();
}
}
}

Basic Syntax: CursorSize
using System;
{
class Program
{
{
Console.CursorSize = 100; //range=1-100
Console.ForegroundColor = ConsoleColor.DarkRed;
Console.Write(("C#: Learn to Build!“);
}
}
}

Basic Syntax: SetWindowSize()
using System;
{
class Program
{
{
Console.Write(("C#: Learn to Build!“);
Console.SetWindowSize(200, 50); //(width, height); max h=50.
}
}
}

This slide is provided as a course material in the workshop named
“Workshop on C# Programming: Learn to Build”.
Organized by-
East West University Computer Programming Club (EWUCoPC)
Prepared by-
Jannat Binta Alam
Campus Ambassador
Young Engineers Society (YES)
E-mail: jannat.cse.ewu@gmail.com

C# Basic - Lec1 (Workshop on C# Programming: Learn to Build)

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