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Raising number to fractional power java [duplicate]

I used the following code:

double pow = 3/7;

double num = 85;

System.out.println(Math.pow(num, pow));

Expected result:

6.71...

The output is

1.0

Any idea why?

like image 371
Greg Peckory Avatar asked Apr 26 '15 11:04

Greg Peckory


1 Answers

3/7 is evaluated to 0, since you are dividing two integers, so Math.pow(num, pow) becomes Math.pow(num, 0.0) which is 1.0.

Change it to 3.0/7 in order to get a floating point result.

like image 168
Eran Avatar answered Oct 19 '22 22:10

Eran