adding and subtracting in double

[Nischal Topno]

public class Test {
public static void main(String args[]) {
double d1 = 20000.01;
double d2 = 10000.01;
double d3 = d1 - d2;
System.out.println(d3);
}
}

why does the above code return 9999.999999999998.

Is there any way to make it return 10000;

Nischal

[Ryan Stewart]

"Nischal Topno" <tn******@yahoo.com> wrote in message
news:5a**************************@posting.google.c om...

public class Test {
public static void main(String args[]) {
double d1 = 20000.01;
double d2 = 10000.01;
double d3 = d1 - d2;
System.out.println(d3);
}
}

why does the above code return 9999.999999999998.

Is there any way to make it return 10000;

Yes. Round it. See
http://www.mindprod.com/jgloss/floatingpoint.html