Java tutorial
public class Main { public static void main(String[] args) { Float f1 = new Float(1.0 / 0.0); Float f2 = new Float(0.0 / 0.0); System.out.println(f1 + " = " + Float.isInfinite(f1)); System.out.println(f2 + " = " + Float.isInfinite(f2)); } }