static void metodo1(){
        Scanner sc = new Scanner(System.in);
        float d= sc.nextFloat();
        int x = (int)d;
        if(x == d){
           System.out.println("son iguales");
           System.out.println("0");
        }else{
            System.out.println("no son iguales");
             String text = Float.toString(Math.abs(d));
             int enteros = text.indexOf('.');
             int decimales = text.length() - enteros - 1;
             System.out.println(decimales);
        }
    }