Difference between revisions of "VB:Programming Tutorial"

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(New page: An introduction to computer programming using Java. Comprising * Tutorials which present problems and their solutions. * How to... guides to completing common task...)
 
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An introduction to computer programming using Java. Comprising
 
An introduction to computer programming using Java. Comprising
*[[Tutorials| Tutorials]] which present problems and their solutions.
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*[[VB:Tutorials| Tutorials]] which present problems and their solutions.
*[[Guides| How to...]] guides to completing common tasks.
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*[[VB:Guides| How to...]] guides to completing common tasks.
*[[Assessments| Assessments]] graded problems with solutions.
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*[[VB:Assessments| Assessments]] graded problems with solutions.
==Drawing the French tricolour with Java==  
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==An Example: drawing the French tricolour ==
You can create images using Java. The first tutorial [[Flags]] looks at drawing flags of the world, from simple flags such as Libya to more complicated flags such as the Stars and Stripes of the USA. In Java you can use [[methods]] such as  <code>[[setColor]]</code> and <code>[[fillRect]]</code> to create simple images.         
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You can create images using Visual Basic. The first tutorial [[VB:Flags]] looks at drawing flags of the world, from simple flags such as Libya to more complicated flags such as the Stars and Stripes of the USA.
<question height="100" width="150" imgOut="flag.png" className="Raster" title="France" rows="9" cols='28'>  
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<question height="100" width="150" imgOut="flag.png" className="Raster" title="France" rows="9" cols="40" lang="vb">
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<shell lang="cs" import="shells.xml#rastervb"/>
 
[[Image:Flag_guide_france.png|border|right]]
 
[[Image:Flag_guide_france.png|border|right]]
Notice that the blue rectangle is at (0,0), it is 50 wide and 100 deep so the commands to draw the blue rectangle are:   
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<prog>Sub drawFlag(g as Graphics)
g.setColor(Color.blue);
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   g.FillRectangle(Brushes.Blue,0,0,50,100)
g.fillRect(0,0,50,100);
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   g.FillRectangle(Brushes.White,50,0,50,100)
<shell lang="java" className="Flag" import="shells.xml#raster"/>
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   g.FillRectangle(Brushes.Red,100,0,50,100)
<prog lang="java">static void drawFlag(Graphics2D g){
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End Sub
   g.setColor(Color.blue);
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  g.fillRect(0,0,50,100);
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   g.setColor(Color.white);
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  g.fillRect(50,0,50,100);
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   g.setColor(Color.red);
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  g.fillRect(100,0,50,100);
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}
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</prog>
 
</prog>
<answer lang="java">static void drawFlag(Graphics2D g){
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<answer>Sub drawFlag(g as Graphics)
   g.setColor(Color.blue);
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   g.FillRectangle(Brushes.Blue,0,0,50,100)
  g.fillRect(0,0,50,100);
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   g.FillRectangle(Brushes.White,50,0,50,100)
   g.setColor(Color.white);
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   g.FillRectangle(Brushes.Red,100,0,50,100)
  g.fillRect(50,0,50,100);
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End Sub
   g.setColor(Color.red);
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  g.fillRect(100,0,50,100);
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}
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</answer>
 
</answer>
 
</question>
 
</question>

Revision as of 22:56, 30 December 2007

An introduction to computer programming using Java. Comprising

An Example: drawing the French tricolour

You can create images using Visual Basic. The first tutorial VB:Flags looks at drawing flags of the world, from simple flags such as Libya to more complicated flags such as the Stars and Stripes of the USA.

Flag guide france.png


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