Sorry for posting this off-topic question here, but since people in this list
have most probably coded extensively with Java, I'm hoping somebody can provide
some insights. In my java program, an expression like the following evaluates
to false:
(0.7 - 0.6 == 0.1)
The following code snipplet:
double a = 0.7;
double b = 0.6;
double c = a - b;
System.out.println("a=" + a + " b=" + b + " c=" + c);
gives the result:
a=0.7 b=0.6 c=0.09999999999999998
Why is the result of the above operation not exact? If this is the expected
behaviour, what would be a good way to handle such numeric operations and
comparisons, e.g. when we're doing data validation?
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