Question

Explain why the following variable names are
invalid
a)
123 ABC
(c) zipcode
(e) Print
ib)
id name 12.5
# name
write
sto zip-code
the correct version of each of these names​

Answer 1

Answer:

a)The variable is invalid if the digits are first and no special characters except $ and _ are allowed in java.

c)It is a keyword in java.

PS: please specify your question properly :)