title: out of bound error i have changed this code from array to array list now it is giving bound error?
body: <p>This whole project previously had array in package products in class produt list now i am using Array list now in the package main in the Swi test it is giving error that it cannot be converted to Productlist from product. i think there is problem with this part too. i think there is something wrong with the productlist.</p>
  
  <p>now it is giving an out of bound error</p>