public class MathsHorrors {
	public static void main (String args[]) {
	
		// You'll need to comment out some lines to get to later ones 
		// without exceptions.
	
		System.out.println("0.0/0.0 = " + 0.0/0.0);
		System.out.println("0/0 = " + 0/0);
		System.out.println("Double.isNaN(0.0/0.0) = " + Double.isNaN(0.0/0.0));
		
		System.out.println("0.0/2.0 = " + 0.0/2.0);
		System.out.println("0/2 = " + 0/2);
		System.out.println("Double.isNaN(0.0/2.0) = " + Double.isNaN(0.0/2.0));

		System.out.println("2.0/0.0 = " + 2.0/0.0);
		System.out.println("2/0 = " + 2/0);
		System.out.println("Double.isNaN(2.0/0.0) = " + Double.isNaN(2.0/0.0));
		
		System.out.println("Double.isInfinite(2.0/0.0) = " + Double.isInfinite(2.0/0.0));
		System.out.println("Double.isInfinite(0.0/0.0) = " + Double.isInfinite(0.0/0.0));

	}
}