Question

Identify the following as valid or invalid variables giving reasons if not valid.(Java language)
a) cost_price
b) average@Nos
c) total amount
d) name$
e) Count_Nos
f) class
g) rollno
h) simple-interest
i) $section
j) MAX_TEMP​

Answer 1

Explanation:

options B,C,D,I are not allowded because of signs like dollar or @...

option C is not allowded due to space between numbers

option f is not allowded due to this is a key word...

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