Q5_2.java

package Chapter5;
public class Q5_2{
	public static void main(String[] args){
		System.out.println(printBinary(0.75));
		System.out.println(printBinary(0.87948723));
	}
	static String printBinary(double input){
		if(input>1 || input<0)
			return "ERROR";
		double remain = input;
		StringBuffer buffer = new StringBuffer();
		buffer.append(".");
		while(remain>0){
			if(buffer.length()>32){
				return "ERROR";				
			}
			if(remain >= 0.5){
				buffer.append(1);
				remain = remain-0.5;
			}
			else
				buffer.append(0);
			remain=remain*2;
		}
		
		return buffer.toString();
	}
}