/* package whatever; // don't place package name! */
 
import java.util.*;
import java.lang.*;
import java.io.*;
 
/* Name of the class has to be "Main" only if the class is public. */
class Ideone
{
	public static void main (String[] args) throws java.lang.Exception
	{
		System.out.println(fromFloatTo64Binary("11.1"));
		System.out.println(fromFloatTo64Binary("-11.1"));
 
	}
 
	public static String fromFloatTo64Binary(String input) {
 
	    input = input.replaceAll(",", ".");
 
	    double number = Double.parseDouble(input);
	    long longBits = Double.doubleToLongBits(number);
	    String result = Long.toBinaryString(longBits);
	    StringBuilder builder = new StringBuilder();
	    for (int i = result.length(); i < 64; i++) {
	    	builder.append('0');
	    }
		return builder.append(result).toString();
    }
 
}

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