Elaborate a little bit more on declaring and assigning variables.
Declare variable "x" and assign it the value 3 on same program statement. (0:16)
Declare variable "y" and assign it the value 5 on same program statement. (0:46)
Reminder to assign values to variables immediately after declaration. (1:31)
Exception thrown for trying to use the unassigned variable "x". (2:06)
Recap: Assign variables immediately after it has been declared. (2:40)