Can Java Variables start with a number ?
NO!! Variable names in Java Cannot be started with a number. In Java Variables can only start with a Letter, Underscore (_) , or Dollar Sign ($).
You can include numbers anywhere after the first letter. But you still cannot use symbols such as @,*,& and etc..
Examples of Valid Java variable names
FirstName
firstName
$student
_month
student1
Examples of Invalid Java Variables
1student
@day
1_items