Worked on comments
After
completing entering and confirming customer details; put the number -4 in pizza
choice textbox and click next
Invalid
input should appear in a message and after exiting that message it will be as
if the user didn’t enter the invalid piece of information
I had to
add an index out of range catch
The double popup problem happened with this, had to
add an if statement and more use of the restartProblem Boolean