Difference between revisions of "OOP Class1"
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− | == | + | ==About Class== |
− | + | ||
− | |||
− | |||
− | |||
===Technologies=== | ===Technologies=== | ||
− | * C# | + | * C# version '''Programming Language''' https://en.wikipedia.org/wiki/C_Sharp_(programming_language)#Versions |
− | * .NET Framework | + | |
− | + | * .NET Framework 4.6 (now called .NET core 1) | |
* Mono http://www.mono-project.com/Main_Page | * Mono http://www.mono-project.com/Main_Page | ||
+ | |||
+ | ==Benefits of Object Oriented Programming== | ||
+ | |||
+ | Object Oriented Programming was made for humans by humans to help deal with the complex, irrational, rigid system that is the computer. Object Oriented languages don't benefit the machine very much but they do benefit the humans that need to program the machine. | ||
+ | |||
+ | *Ease of maintenance : | ||
+ | **no more file new project most code need to be maintained for long period of time. This gets even more difficult with many authors. It's very rare to hit file-> new project in the real world | ||
+ | *Extend-ability | ||
+ | **Flexible modular clean code lasts much longer. We will make a new project every week but solutions and projects are often used in a modular fashion. Groups of '''loosely coupled objects''' are one of the goals in object oriented programming | ||
+ | *Re-usability | ||
+ | **Once a proplem has been solved with OOP the solution can often be reused over and over again. One of you goals is to keep code DRY | ||
+ | ***'''D'''on't (or at least try not to) | ||
+ | ***'''R'''epeat | ||
+ | ***'''Y'''ourself | ||
+ | **of course this concept can be stifling to begining progammers so we will also try to adhere to the | ||
+ | ***'''K'''eep | ||
+ | ***'''I'''t | ||
+ | ***'''S'''imple | ||
+ | ***'''S'''tupid | ||
+ | **please don't over engineer when you can remember the [https://people.apache.org/~fhanik/kiss.html K.I.S.S principal] | ||
==Introduction to Programming languages== | ==Introduction to Programming languages== | ||
− | ''' | + | '''Complied vs Interpreted Languages''': pre-processed by compiler into machine language prior to execution<br /> |
− | '''Interpreted Languages'''<br /> | + | '''Interpreted Languages''': complied at run time every time the program is executed aka a run time language<br /> |
+ | |||
+ | Interpreted is not more human readable. It can be just as abstract ad complied code. The difference is how the machine reads and executes the code. | ||
<p> | <p> | ||
− | Interpreted | + | [https://en.wikipedia.org/wiki/List_of_programming_languages_by_type#Imperative_languages Interpreted languages] read and parse the source input every time a they are executed. After each line is parsed it is converted to machine language and it is executed. Interperted languages are often referd to as scripting languages and are often good for small projects that need to be deployed quickly.</p> |
Interperated Scripting Languages are often used on the web | Interperated Scripting Languages are often used on the web | ||
Line 24: | Line 43: | ||
'''Compiled Languages''' | '''Compiled Languages''' | ||
<br /> | <br /> | ||
− | Compiled languages use a | + | [https://en.wikipedia.org/wiki/List_of_programming_languages_by_type#Compiled_languages Compiled languages] use a compiler to read and parse the input source code and convert it into machine language. The output binary file is then executed. If the source changes the program needs to be recompiled. Complied programs often execute faster and add extra layer of security becuase the source is not always readily available and executable. Complied code also tends to take up less memory and system resources. |
<br /> | <br /> | ||
− | |||
− | |||
− | |||
− | |||
− | |||
− | |||
− | |||
− | |||
<br > | <br > | ||
Line 66: | Line 77: | ||
Unlike Java the Microsoft CLR supports multiple languages. | Unlike Java the Microsoft CLR supports multiple languages. | ||
− | Sun and Microsoft have different | + | Sun and Microsoft have different programming philosophies. |
Java write once (in java) run anywhere. | Java write once (in java) run anywhere. | ||
CLR write in any CLR language and run on .NET | CLR write in any CLR language and run on .NET | ||
Line 86: | Line 97: | ||
* Web Forms http://asp.net/get-started/ | * Web Forms http://asp.net/get-started/ | ||
* Web Services | * Web Services | ||
− | * XNA http:// | + | * XNA/[http://www.monogame.net/ Monogame] http://www.monogame.net/documentation/?page=Introduction |
*[http://msdn.microsoft.com/en-us/library/aa288463(VS.71).aspx Hello World Tutorial MSDN] | *[http://msdn.microsoft.com/en-us/library/aa288463(VS.71).aspx Hello World Tutorial MSDN] | ||
Hello world in C# for console really simple | Hello world in C# for console really simple | ||
− | <csharp>using System; | + | <syntaxhighlight lang="csharp"> |
+ | using System; | ||
namespace HelloClass | namespace HelloClass | ||
{ | { | ||
Line 103: | Line 115: | ||
} | } | ||
} | } | ||
− | }</ | + | }</syntaxhighlight> |
==Hello Console== | ==Hello Console== | ||
− | <csharp>using System; | + | <syntaxhighlight lang="csharp">using System; |
using System.Collections.Generic; | using System.Collections.Generic; | ||
using System.Linq; | using System.Linq; | ||
Line 122: | Line 134: | ||
} | } | ||
} | } | ||
− | }</ | + | }</syntaxhighlight> |
Line 128: | Line 140: | ||
MSIL | MSIL | ||
− | <csharp>.method public hidebysig static void Main() cil managed | + | <syntaxhighlight lang="csharp">.method public hidebysig static void Main() cil managed |
{ | { | ||
.entrypoint | .entrypoint | ||
Line 137: | Line 149: | ||
IL_000a: ret | IL_000a: ret | ||
} // end of method HelloWorldConsole::Main | } // end of method HelloWorldConsole::Main | ||
− | </ | + | </syntaxhighlight> |
Fully Disassembled hello.cs | Fully Disassembled hello.cs | ||
==Hello WinForms== | ==Hello WinForms== | ||
form1.cs | form1.cs | ||
− | <csharp> | + | <syntaxhighlight lang="csharp"> |
using System; | using System; | ||
using System.Collections.Generic; | using System.Collections.Generic; | ||
Line 170: | Line 182: | ||
} | } | ||
} | } | ||
− | </ | + | </syntaxhighlight> |
http://iam.colum.edu/oop/gbrowser.php?file=/classsource/class1/HelloWorldWindowsForms/HelloWorldWindowsForms/Form1.cs | http://iam.colum.edu/oop/gbrowser.php?file=/classsource/class1/HelloWorldWindowsForms/HelloWorldWindowsForms/Form1.cs | ||
Line 177: | Line 189: | ||
Window1.xaml.cs | Window1.xaml.cs | ||
− | <csharp> | + | <syntaxhighlight lang="csharp"> |
using System; | using System; | ||
using System.Collections.Generic; | using System.Collections.Generic; | ||
Line 211: | Line 223: | ||
} | } | ||
} | } | ||
− | </ | + | </syntaxhighlight> |
window1.xaml | window1.xaml | ||
Line 237: | Line 249: | ||
==Homework== | ==Homework== | ||
− | # | + | |
− | + | #Get VS2015 and install on your computer or use it in the lab. Comminity version is fine https://go.microsoft.com/fwlink/?LinkId=691978&clcid=0x409 | |
#write and compile [[Helloworld in csharp]] as a c# console application '''bonus''' make hello world in something besides the console and make it interactive | #write and compile [[Helloworld in csharp]] as a c# console application '''bonus''' make hello world in something besides the console and make it interactive | ||
− | #Read | + | #Upload a zip of hello world to moodle |
+ | #'''Read''' c# : A beginner's Tutorial Chapter 1,2 Quiz http://emils.lib.colum.edu/login?url=http://proquest.safaribooksonline.com/?uiCode=&xmlId=9780980839630 | ||
+ | ##Quiz in moodle on reading | ||
+ | # https://www.microsoftvirtualacademy.com/en-US/training-courses/c-fundamentals-for-absolute-beginners-8295 | ||
+ | ##Series Introduction | ||
+ | ##Installing Visual Studio Express 2013 for Windows Desktop | ||
+ | ##Creating Your First C# Program | ||
+ | ##Dissecting the First C# Program You Created | ||
+ | ##Quick Overview of the Visual C# Express Edition IDE | ||
*[http://msdn.microsoft.com/en-us/library/aa288463(VS.71).aspx Hello World Tutorial MSDN] | *[http://msdn.microsoft.com/en-us/library/aa288463(VS.71).aspx Hello World Tutorial MSDN] | ||
− | |||
− | [[Category:IAM Classes | + | [[Category:IAM Classes]] |
Latest revision as of 16:24, 10 June 2019
Contents
About Class
Technologies
- C# version Programming Language https://en.wikipedia.org/wiki/C_Sharp_(programming_language)#Versions
- .NET Framework 4.6 (now called .NET core 1)
- Mono http://www.mono-project.com/Main_Page
Benefits of Object Oriented Programming
Object Oriented Programming was made for humans by humans to help deal with the complex, irrational, rigid system that is the computer. Object Oriented languages don't benefit the machine very much but they do benefit the humans that need to program the machine.
- Ease of maintenance :
- no more file new project most code need to be maintained for long period of time. This gets even more difficult with many authors. It's very rare to hit file-> new project in the real world
- Extend-ability
- Flexible modular clean code lasts much longer. We will make a new project every week but solutions and projects are often used in a modular fashion. Groups of loosely coupled objects are one of the goals in object oriented programming
- Re-usability
- Once a proplem has been solved with OOP the solution can often be reused over and over again. One of you goals is to keep code DRY
- Don't (or at least try not to)
- Repeat
- Yourself
- of course this concept can be stifling to begining progammers so we will also try to adhere to the
- Keep
- It
- Simple
- Stupid
- please don't over engineer when you can remember the K.I.S.S principal
- Once a proplem has been solved with OOP the solution can often be reused over and over again. One of you goals is to keep code DRY
Introduction to Programming languages
Complied vs Interpreted Languages: pre-processed by compiler into machine language prior to execution
Interpreted Languages: complied at run time every time the program is executed aka a run time language
Interpreted is not more human readable. It can be just as abstract ad complied code. The difference is how the machine reads and executes the code.
Interpreted languages read and parse the source input every time a they are executed. After each line is parsed it is converted to machine language and it is executed. Interperted languages are often referd to as scripting languages and are often good for small projects that need to be deployed quickly.
Interperated Scripting Languages are often used on the web
Common Interpreted Languages are Perl,PHP, Python and Ruby
Compiled Languages
Compiled languages use a compiler to read and parse the input source code and convert it into machine language. The output binary file is then executed. If the source changes the program needs to be recompiled. Complied programs often execute faster and add extra layer of security becuase the source is not always readily available and executable. Complied code also tends to take up less memory and system resources.
HelloWorld in several common programming languages
Hello World Languages
Why .NET?
- Discussion
.Net is a platform from Microsoft. It consists of several components. The base of the new platform is the [1] .NET framework. The .NET framework sits on top of the windows(or other operating systems like mono). The .net framework consists of the Common Language Runtime(CLR) and the Framework Class Library(FCL).
The CLR is a platform for compiling, debugging and executing .NET applications. Like java the CLR a virtual machine that can better control runtime security, memory management, and threading.
Here are some examples of the classes available in the .NET framework
*System Contains fundamental classes and base classes that define commonly used value and reference data types, events and event handlers, interfaces, attributes, and processing exceptions. *System.Data Consists mostly of the classes that constitute the ADO.NET architecture. The ADO.NET architecture enables you to build components that efficiently manage data from multiple data sources. In a disconnected scenario (such as the Internet), ADO.NET provides the tools to request, update, and reconcile data in multiple tier systems. The ADO.NET architecture is also implemented in client applications, such as Windows Forms, or HTML pages created by ASP.NET. *System.Data.Common Contains classes shared by the .NET Framework data providers. A .NET Framework data provider describes a collection of classes used to access a data source, such as a database, in the managed space. *System.Data.SqlClient Encapsulates the .NET Framework Data Provider for SQL Server. The .NET Framework Data Provider for SQL Server describes a collection of classes used to access a SQL Server database in the managed space. *System.Drawing Provides access to GDI+ basic graphics functionality. More advanced functionality is provided in the *System.Drawing.Drawing2D Provides advanced 2-dimensional and vector graphics functionality. This namespace includes the gradient brushes, the Matrix class (used to define geometric transforms), and the GraphicsPath class. *System.Drawing.Imaging Provides advanced GDI+ imaging functionality. Basic graphics functionality is provided by the System.Drawing namespace. *System.Web Supplies classes and interfaces that enable browser-server communication. *System.Web.UI Provides classes and interfaces that allow you to create controls and pages that will appear in your Web applications as user interface on a Web page.
System.Web.UI.HtmlControls Consists of a collection of classes that allow you to create HTML server controls on a Web Forms page. HTML server controls run on the server and map directly to standard HTML tags supported by most browsers. This allows you to programmatically control the HTML elements on a Web Forms page.
*System.Web.UI.WebControls Contains classes that allow you to create Web server controls on a Web page. Web server controls run on the server and include form controls such as buttons and text boxes. They also include special purpose controls such as a calendar. Because Web server controls run on the server, you can programmatically control these elements. Web server controls are more abstract than HTML server controls. Their object model does not necessarily reflect HTML syntax. *System.Windows.Forms Contains classes that support design-time configuration and behavior for Windows Forms components.
Full List with descriptions http://msdn.microsoft.com/en-us/library/ms229335.aspx
Unlike Java the Microsoft CLR supports multiple languages.
Sun and Microsoft have different programming philosophies. Java write once (in java) run anywhere. CLR write in any CLR language and run on .NET The CLR from Microsoft supports several languages.
- C# - java like language pronounced C Sharp (the language we will use for this course)
- VB.NET - Visual Basic .NET
- JScript
- J# - Microsoft's Java-language
- third party languages (cobol,eiffel,pascal,perl) Programming Language Partners
The CLR compiles the .NET languages into MS Intermediate Language (MSIL) which is similar to java's object code. It is an intermediary step between programming language and machine code. The MSIL allows .NET to support multiple programming languages. MSIL code is further compiled by the CLR at run time into machine code. This is known as JIT compilation or Just In Time.
.NET Applications
- Console Applications
- Windows Forms http://windowsclient.net/getstarted/
- Windows Presentation Forms http://windowsclient.net/getstarted/ http://windowsclient.net/learn/videos_wpf.aspx
- Web Forms http://asp.net/get-started/
- Web Services
- XNA/Monogame http://www.monogame.net/documentation/?page=Introduction
Hello world in C# for console really simple
using System;
namespace HelloClass
{
class HelloWorld
{
//All Console Apps start with Main Method
public static void Main()
{
Console.WriteLine("Hello World!");
}
}
}
Hello Console
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
namespace HelloWorldConsole
{
class Program
{
static void Main(string[] args)
{
Console.WriteLine("Hello World!"); //Write Hello World! to the console standard out
}
}
}
}
MSIL
.method public hidebysig static void Main() cil managed
{
.entrypoint
// Code size 11 (0xb)
.maxstack 1
IL_0000: ldstr "Hello World!"
IL_0005: call void [mscorlib]System.Console::WriteLine(string)
IL_000a: ret
} // end of method HelloWorldConsole::Main
Fully Disassembled hello.cs
Hello WinForms
form1.cs
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
namespace HelloWorldWindowsForms
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}
private void Form1_Load(object sender, EventArgs e)
{
this.Text = "Hello World App"; //Change the title of the form
//yeah i know i could have done it in the designer
label1.Text = "Hello World!"; //Say Hello in a Label
}
}
}
Helloworld! WPF
Window1.xaml.cs
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;
namespace HelloWorldWpfApplication
{
/// <summary>
/// Interaction logic for Window1.xaml
/// </summary>
public partial class Window1 : Window
{
public Window1()
{
InitializeComponent();
}
private void Canvas_Loaded(object sender, RoutedEventArgs e)
{
this.Title = "Hello WPF app";
tbHello.Text = "Hello World!"; //Say hello to wpd TexBloc
}
}
}
window1.xaml <xml> <Window x:Class="HelloWorldWpfApplication.Window1"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" Title="Window1" Height="300" Width="300"> <Grid> <Canvas Loaded="Canvas_Loaded"> <TextBlock x:Name="tbHello" Canvas.Left="100" Canvas.Top="100"></TextBlock> </Canvas> </Grid>
</Window>
</xml>
Other Links
ECMA C# and Common Language Infrastructure Standards
Mono - Ximian Linux .NET Copy
GotDotNet - Microsoft Site to bridge the gap between .NET team and .NET developers/students
Homework
- Get VS2015 and install on your computer or use it in the lab. Comminity version is fine https://go.microsoft.com/fwlink/?LinkId=691978&clcid=0x409
- write and compile Helloworld in csharp as a c# console application bonus make hello world in something besides the console and make it interactive
- Upload a zip of hello world to moodle
- Read c# : A beginner's Tutorial Chapter 1,2 Quiz http://emils.lib.colum.edu/login?url=http://proquest.safaribooksonline.com/?uiCode=&xmlId=9780980839630
- Quiz in moodle on reading
- https://www.microsoftvirtualacademy.com/en-US/training-courses/c-fundamentals-for-absolute-beginners-8295
- Series Introduction
- Installing Visual Studio Express 2013 for Windows Desktop
- Creating Your First C# Program
- Dissecting the First C# Program You Created
- Quick Overview of the Visual C# Express Edition IDE