Learn
Loops
While Loop Demo
So first up… the while
loop!
Before we dive deep into the syntax of the while
loop, let’s do a demo.
Inside enter_pin.cpp, we have a program that asks and checks for a password. It uses a while
loop to ask the user for the password over and over again.
Note: You don’t need to understand the code right now.
Instructions
1.
Compile and execute using the terminal.
When the program asks you to Enter your PIN:
, try the following:
Press 1111
and press enter.
Press 2019
and press enter.
Press 1234
and press enter.