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1. For each of the following sequence of symbols, signs, characters and letters,

ID: 3649655 • Letter: 1

Question

1. For each of the following sequence of symbols, signs, characters and letters, determine if it is a valid identifier (and so can be used as a variable name, function name, etc.). If invalid, explain why, and provide an attempt that fixes the problem.

a. MyNameIsJake
b. HelloWorld;
c. 1234656
d. A12345
e. 12345W
f. This is a new variable
g. Students-Last-Name
h. FirstName&LastName
i. Jake@Frist.Com
j. =Federal_Tax_Rate
k. C++
l. Int
m. int
n. double
o. double2
p. BLU_RAY
q. Elizabeth_Taylor
r. alphaPrime
s. _DoYouUnderstandWhatIAMTellingYou
t. _MyGPA_
u. First1LocationSecond2LocationThird3Location
v. main
w. include
x. Name:Last
y. $100,000.00
z. GPA>3.5

Explanation / Answer

valid valid valid valid valid not valid..contains spaces not valid, cannot contain -, - is subtraction symbol not valid, cannot contain & is a symbol not valid, cannot contain @ is a symbol not valid, cannot contain = is a symbol not valid not valid not valid not valid not valid valid valid valid valid valid valid not valid not valid not valid not valid not valid