adplus-dvertising
frame-decoration

Question

Which one is not a valid identifier?

a.

rdd2

b.

x (5)

c.

_DATE_

d.

A3O

Answer: (b).x (5)

Engage with the Community - Add Your Comment

Confused About the Answer? Ask for Details Here.

Know the Explanation? Add it Here.

Q. Which one is not a valid identifier?