APCS: AP Computer Science A @sfhs

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====== How to an Add an External Library like kareljrobot.jar in an Eclipse Project ======
  - Go tho the workbench, Under the ''File'' menu, select ''New Java Project''
  - Give the project a name (for example ''Karel J Robot'') {{:eclipserobotproject.png|}}
  - In the ''JRE'' area, select '' use an execution environment JRE J2SE-1.5''  
  - In the ''Project Layout'' area, select ''Use project folder as root for sources and class files''
  - Uncheck ''create module-info'' java file.
  - Press the ''Finish'' button, even if you don't speak Finnish.
  - Now right-click the new Project and select ''Preferences'' at the bottom (or press ''Alt-Enter'' or press''Command-I'' on a mac or ''Control-I'' on Windows)
  - Click once on the left to select ''Java Build Path'' {{::eclipselibtab.png|}}
  - Click once on the third tab called ''Libraries''
  - Click the second button down called ''Add External JARs''
  - Place the ''KarelJRobot.jar'' file you downloaded earlier into your new project folder (Do this using ''Finder'' on Mac or ''Files'' on Windows) 
  - Go back to eclipse and select the ''KarelJRobot.jar'' file you just dropped into the project folder.
  - Press the ''Open'' button
  - Press the ''Apply and Close'' button
  - Make a new class ''RCRunner'' to test it out: From the File menu, select ''New -> Class'' (or press the ''C+'' button. ) and name class ''RCRunner''.  Paste the follwing code:
<code java>
  import java.awt.Color;
  import kareltherobot.*;
  public class RCRunner implements Directions {
	
	// Main entry point
	public static void main(String[] args) {
	   World.setDelay(10); 
           World.placeBeepers(2, 1, 1);
           World.setVisible();
           RemoteControl karel = new RemoteControl(3, 1, East, 3 , Color.RED);
	}
}

</code>