Copy into main method window:
=============================
method main()
{
   //--- instantiate the Jeroo ---
   Jeroo Kim = new Jeroo(1,1);

   // If Kim is facing a net or water in the next square,
   // turn Kim around; otherwise, have Kim hop one square.
   
   if (Kim.isNet(AHEAD) || Kim.isWater(AHEAD))
   {
      Kim.turnAround();
   }
   else
   {
      Kim.hop();
   }
      
}  //===== end main() =====


Click on Jeroo methods tab and copy:
====================================
method turnAround()
{
   turn(RIGHT);
   turn(RIGHT);
}