public class OurFloatDemo {
	public static void main(String[] args){
		System.out.println(OurFloat.getIEEEBits(2.0F));
		System.out.println(OurFloat.getIEEEBits(1.0F));
		System.out.println(OurFloat.getIEEEBits(-2.0F));
		System.out.println(OurFloat.getIEEEBits(-1.0F));
		System.out.println(OurFloat.getIEEEBits((float)Math.PI));
		System.out.println(OurFloat.getIEEEBits(0.1F));
		System.out.println(OurFloat.getIEEEBits(0.0F));
		System.out.println(1.0F/0.0F);
		System.out.println(OurFloat.getIEEEBits(1.0F/0.0F));
		System.out.println(0.0F/0.0F);
		System.out.println(OurFloat.getIEEEBits(0.0F/0.0F));
	}
}
class OurFloat{
	// given a float, return a bitstring showing the 
	// internal IEEE representation as 32 bits
	static String getIEEEBits(float x){
		// Float.floatToIntBits converts a float to
		// the internal IEEE representation but stored as
		// an int, which we then need to convert to a 
		// binary string
		String s = Integer.toBinaryString(Float.floatToIntBits(x));
		while(s.length() < 32){ // need to prepend 0s
			s = "0" + s;
		}
		return s;
	}
}