BlueJ: a very quick introduction

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BlueJa very quick introduction
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BlueJ

• BlueJ is an IDE (Integrated Development
  Environment). It includes
• an editor, which you use to write your programs
• a debugger, to help you find your mistakes
• a viewer, to see the parts of your program
• an easy way to run Java programs
• an easy way to view documentation

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Open BlueJ, choose New Project
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Name the project, click Create
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Create and name a newClass or Applet
The name of the class should beginwith a capital
letter
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Double-click the new class to edit it
The stripes show that theclass "Drawing" is
notcompiled (ready to run)
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Edit your class, then Compile it
BlueJ starts you with asimple class or a
simpleapplet. You can modifywhat BlueJ gives
you, orjust replace it with yourown program.
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If it's an applet Right-click the class and
choose Run Applet
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If applet choose how to run it, and what size it
should be
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Here's the running applet!
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If application right-click and choose void
main(args)
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Application Just click Ok
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Application results
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Final notes

• You don't have to Save your workBlueJ does that
  automatically for you when you compile
• If you quit BlueJ and come back later, use Open
  Project to continue where you left off
• This quick introduction does not replace working
  through the tutorial!

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Your Assignment

• Step through the BlueJ tutorial and note any
  differences between the documentation and the
  actual program (hand in a list)
• Modify this applet to draw a picture of your own
• Use 15 or more drawing commands
• Use three or more colors
• Draw a picture of something, not abstract art
• You will not be graded on artistic merit

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The End