source code float

package wclasses;

public class Samplefloat {
    public static void main(String att[])
    {

        // constructors
        Float f1= new Float(10.5);
        Float fd=new Float(10.5d);
        Float fs=new Float("10.5");

        // wrapper to primitive
        float pf1=f1.floatValue();
        System.out.println(pf1);
        
        //primitive to string
        String s1=f1.toString();
        String s2=Float.toString(10.57f);
        System.out.println(s1);
        System.out.println(s2);
        
        //String to primitive
        float pf2=Float.parseFloat(s2);
        System.out.println(pf2);
        
        //String to wrapper object
        Float f2= new Float("10");
        Float f3=Float.valueOf("100");
        System.out.println(f2);
        System.out.println(f3);

        //wrapper to string
        String s3=f3.toString();
    }

}

output:
10.5
10.5
10.57
10.57
10.0
100.0