Special floating-point values. : float « Java Source And Data Type « SCJP

1. SCJP
2. Java Source And Data Type
3. float

Constant                    Interpretation                          Corresponding String

Float.MAX_VALUE             The largest number representable        3.40282e+038

Float.MIN_VALUE             The smallest number representable       1.4013e-045

Float.NEGATIVE_INFINITY     Negative divided by zero                -Infinity

Float.POSITIVE_INFINITY     Positive divided by zero                Infinity

Float.NaN                   Not a Number                            NaN


NaN stands for Not a Number

Float.NaN
Float.NEGATIVE_INFINITY
Float.POSITIVE_INFINITY
Double.NaN
Double.NEGATIVE_INFINITY
Double.POSITIVE_INFINITY

public class MainClass {

  public static void main(String[] a) {
    double d = -10.0 / 0.0;
    if (d == Double.NEGATIVE_INFINITY) {
      System.out.println("d just exploded: " + d);
    }
  }
}