round a floating-point number to the next integer value in java

Question

how can i round up a floating point number to the next integer value in Java? Suppose

2.1 -->3

3.001 -->4

4.5 -

Answer 1

I'm using this:

public static int roundDoubleToUpperInt(double d){
    return (d%1==0.0f)?(int)d:(int)(d+1);
}