Java float unexpectedly rounded

Question

I\'m using a float constant and setting a objects private float variable to the float constant below, but when the object outputs the value it was set to, it\'s rounding up

Answer 1

After some testing, I got this result:

final float RF_FREQUENCY = 956.35625f;
System.out.println(String.format("%.5f", RF_FREQUENCY));
final BigDecimal xRF_FREQUENCY = new BigDecimal(956.35625);
System.out.println(String.format("%.5f", xRF_FREQUENCY));

And the output was:

956,35626
956,35625

So, as its explained in more details from coderanch and in this blog post, I recommend you to change to BigDecimal.

EDIT: I've found another post about same problem in stackoverflow Double vs. BigDecimal? Hope it helps you.