import stanford.karel.*; // header untuk karelnya hihi

public class InMidKarel extends SuperKarel { //SuperKarel untuk turnAround();

 public int countHorizontal = 0; //inisialisasi jumlah awal titik lintasan
 
 public void moveForward() {     //prosedur bergerak lurus
  while (frontIsClear()) {
   move();
   countHorizontal++; //menghitung titik lintasan
  }
 }
 
 public void moveHalfBackward() {  //bergerak balik
  turnAround();
  for (int i = 0; i < countHorizontal/2; i++)
   move();
  turnAround();
 }
 
 public void run() {
  moveForward();
  moveHalfBackward();
  putBeeper();
 }
 
}

import stanford.karel.*;

public class LoopingKarel extends Karel
{
 public void moveAgain()  //Prosedur
 {
  while(frontIsClear())
   move();
 }
 
 public void run()  //Program Utama
 {
  while(frontIsClear())
  {
   moveAgain(); //Pemanggilan Nama Proseur
   turnLeft();
  }
 }

}