Java tutorial
public class Main { public static void main(String[] args) { float x = 12345.6f; float y = -123.45f; // print the unbiased exponent of them System.out.println("Math.getExponent(" + x + ")=" + Math.getExponent(x)); System.out.println("Math.getExponent(" + y + ")=" + Math.getExponent(y)); System.out.println("Math.getExponent(0f)=" + Math.getExponent(0f)); } }