class MAIN create make feature -- Main stack: BA_ARRAYED_STACK [INTEGER] stack_mml: BA_ARRAYED_STACK_MML [INTEGER] make is -- Main routine, called when the program is executed. do create stack.make (10) stack.push (4) stack.push (7) stack.push (1) check stack.top = 1 end stack.pop check stack.top = 7 end check stack.count = 2 end create stack_mml.make (10) stack_mml.push (4) stack_mml.push (7) stack_mml.push (1) check stack_mml.top = 1 end stack_mml.pop check stack_mml.top = 7 end check stack_mml.count = 2 end end end