CircleEx1() {
NxtRobot robot = new NxtRobot();
Gear gear = new Gear();
robot.addPart(gear);
gear.setSpeed(60);
/*The robot move in a circle with the radius 0.2 for 7500 ms.
*Instead of using a locking-method, the method leftArc(0.2) can be used together with the command Tools.delay(7500)
*/
gear.leftArc(0.2, 7500);
/* No blocking Methode rightArc()*/
gear.rightArc(0.2);
Tools.delay(5000);
robot.exit();
}