Which data type we can use to store number like credit card or debit card number..??

Answer 1

you can store it in an array or a file

Answer 2

Because you won't (and shouldn't) be doing any math operations with a credit card or debit card number, a string is your best option. And in the real world, these numbers are ideally encrypted as well, and I think that encryption is mainly performed on strings.

Answer 3

String is prefect

Answer 4

str or int depending on how you want to store or read it

Answer 5

You could use a string or char*. Char* could be used if you want it to be a little more 'safe and secure'.

Answer 6

Hello