====== 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: 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); } }