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Floating Point Issues - Programming

Q1:

What will you do to treat the constant 3.14 as a float?

A use float(3.14f)

B use 3.14f

C use f(3.14)

D use (f)(3.14)

ANS:B - use 3.14f

Given 3.14 is a double constant.
To specify 3.14 as float, we have to add f to the 3.14. (i.e 3.14f)