RepairPillar (KarelOOP2)

package cp.java.week4;
 
import hufs.dislab.karel.IKarel;
import hufs.dislab.karel.IKarelProgram;
import hufs.dislab.karel.SimpleKarel;
 
@SuppressWarnings("serial")
public class RepairPillar extends IKarelProgram {
	public void onStart() {
		IKarel karel = getIKarel();
 
		repairPillar(karel);
		while (karel.frontIsClear()) {
			moveToNextPillar(karel);
			repairPillar(karel);
		}
	}
 
	void repairPillar(IKarel karel) {
		karel.turnLeft();
		if (!karel.beepersPresent())
			karel.putBeeper();
		while (karel.frontIsClear()) {
			karel.move();
			if (!karel.beepersPresent())
				karel.putBeeper();
		}
		karel.turnAround();
		moveToWall(karel);
		karel.turnLeft();
	}
 
	void moveToWall(IKarel karel) {
		while (karel.frontIsClear())
			karel.move();
	}
 
	void moveToNextPillar(IKarel karel) {
		for (int i = 0; i < 4; i++)
			karel.move();
	}
 
	public static void main(String[] args) {
		IKarelProgram.main(args, new SimpleKarel());
	}
}