import com.sun.xml.internal.ws.commons.xmlutil.Converter;

import java.math.BigInteger;

public class Main {

    public static void main(String[] args) {



        //findInt();

        findFloat();


    }

    static void findInt(){
        int maxInt=0;
        int i=0;
        int minInt=0;
        for(i = 0; i>=maxInt; i++){
            if(maxInt<i)
                maxInt = i;
        }
        minInt = i;
        System.out.println("min Int = "+ minInt);
        System.out.println("max Int = "+ maxInt);
    }

    static void findFloat(){
        //System.out.println( Float.MAX_VALUE);

        double test = 0.1;
        long doubleBits = Double.doubleToLongBits(test);
        String doubleBitsStr = Long.toBinaryString(doubleBits);
        //
        doubleBitsStr = doubleBitsStr.replace('0','1');
        System.out.println(doubleBitsStr);

        System.out.println(doubleBitsStr.length());

        doubleBits = Long.parseLong(doubleBitsStr, 2);
        test = Double.longBitsToDouble(doubleBits);
        System.out.println(test);



        /*float test2 = 0.5f;
        int intBits = Float.floatToIntBits(test2);
        String intBitsStr = Integer.toBinaryString(intBits);
        System.out.println(intBitsStr);

        System.out.println(intBitsStr.length());*/
    }
}